HEADER    RNA                                     20-MAR-12   4E8K              
TITLE     STRUCTURE OF OCEANOBACILLUS IHEYENSIS GROUP II INTRON IN THE PRESENCE 
TITLE    2 OF K+, CA2+ AND A NON-HYDROLYZED OLIGONUCLEOTIDE SUBSTRATE           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GROUP IIC INTRON;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: DOMAINS 1-5;                                               
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: 5'-R(*CP*G*AP*UP*UP*UP*AP*UP*UP*A)-3';                     
COMPND   8 CHAIN: B;                                                            
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 OTHER_DETAILS: SYNTHETIC OLIGONUCLEOTIDE FRAGMENT                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: OCEANOBACILLUS IHEYENSIS;                       
SOURCE   4 ORGANISM_TAXID: 182710;                                              
SOURCE   5 OTHER_DETAILS: IN VITRO TRANSCRIPTION;                               
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 SYNTHETIC: YES                                                       
KEYWDS    RIBOZYME, SELF-SPLICING, RETROTRANSPOSITION, RNA                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.MARCIA,A.M.PYLE                                                     
REVDAT   2   13-SEP-23 4E8K    1       REMARK LINK                              
REVDAT   1   14-NOV-12 4E8K    0                                                
JRNL        AUTH   M.MARCIA,A.M.PYLE                                            
JRNL        TITL   VISUALIZING GROUP II INTRON CATALYSIS THROUGH THE STAGES OF  
JRNL        TITL 2 SPLICING.                                                    
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 151   497 2012              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   23101623                                                     
JRNL        DOI    10.1016/J.CELL.2012.09.033                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.03 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.03                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.11                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 32515                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.195                           
REMARK   3   FREE R VALUE                     : 0.235                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1731                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 3.03                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.11                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2292                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.38                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3610                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 122                          
REMARK   3   BIN FREE R VALUE                    : 0.4360                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 8467                                    
REMARK   3   HETEROGEN ATOMS          : 123                                     
REMARK   3   SOLVENT ATOMS            : 35                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 103.8                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.39000                                             
REMARK   3    B22 (A**2) : 3.12000                                              
REMARK   3    B33 (A**2) : -1.73000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.386         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.288         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 32.961        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.934                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.939                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  9564 ; 0.007 ; 0.011       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 14894 ; 2.655 ; 1.476       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1589 ; 0.141 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4133 ; 0.013 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A   390                          
REMARK   3    ORIGIN FOR THE GROUP (A):  25.2110   8.9970  25.2730              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2437 T22:   0.1687                                     
REMARK   3      T33:   0.1671 T12:  -0.0475                                     
REMARK   3      T13:   0.0708 T23:  -0.0521                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8927 L22:   1.9957                                     
REMARK   3      L33:   1.3290 L12:  -0.7967                                     
REMARK   3      L13:  -0.7358 L23:   0.8507                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1639 S12:  -0.2274 S13:  -0.1480                       
REMARK   3      S21:   0.5368 S22:   0.1234 S23:   0.0799                       
REMARK   3      S31:   0.1967 S32:   0.0628 S33:   0.0404                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN    
REMARK   3  THE INPUT                                                           
REMARK   4                                                                      
REMARK   4 4E8K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-MAR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000071304.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 29-OCT-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-E                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9795                             
REMARK 200  MONOCHROMATOR                  : SINGLE CRYSTAL SI(220) SIDE        
REMARK 200                                   BOUNCE                             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32515                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.030                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.0                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.08800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.03                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 1.12000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3IGI                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.23                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.64                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM POTASSIUM ACETATE, 100 MM         
REMARK 280  POTASSIUM CHLORIDE, 100 MM CALCIUM CHLORIDE, 50 MM HEPES SODIUM,    
REMARK 280  PH 7.0, 5% PEG8000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE      
REMARK 280  303K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       44.22350            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      112.17700            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       48.12350            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000      112.17700            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       44.22350            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       48.12350            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 9720 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 57680 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -250.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465       G A    -2                                                      
REMARK 465       G A    -1                                                      
REMARK 465       G A     0                                                      
REMARK 465       G A     1                                                      
REMARK 465       U A     2                                                      
REMARK 465       C B    -2                                                      
REMARK 465       G B    -1                                                      
REMARK 465       A B     0                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470       G A 390    O5'  C5'  C4'  O4'  C3'  O3'  C2'                   
REMARK 470       G A 390    O2'  C1'  N9   C8   N7   C5   C6                    
REMARK 470       G A 390    O6   N1   C2   N2   N3   C4                         
REMARK 470       U B   1    P    OP1  OP2                                       
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OP1    U B     6    CA     CA B   501              1.58            
REMARK 500   O2'    A A   333     O    HOH A   927              2.04            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500      A A  99   O3'     A A 100   P       0.092                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500      C A   6   O5' -  P   -  OP1 ANGL. DEV. = -10.8 DEGREES          
REMARK 500      C A   6   C3' -  O3' -  P   ANGL. DEV. =   9.3 DEGREES          
REMARK 500      U A  13   C3' -  O3' -  P   ANGL. DEV. =  10.1 DEGREES          
REMARK 500      G A  16   O5' -  P   -  OP1 ANGL. DEV. =   8.6 DEGREES          
REMARK 500      U A  17   O3' -  P   -  OP2 ANGL. DEV. =   7.7 DEGREES          
REMARK 500      U A  17   C3' -  O3' -  P   ANGL. DEV. =   7.3 DEGREES          
REMARK 500      G A  18   C3' -  O3' -  P   ANGL. DEV. =  10.2 DEGREES          
REMARK 500      U A  22   C3' -  O3' -  P   ANGL. DEV. =  -8.9 DEGREES          
REMARK 500      A A  25   O3' -  P   -  O5' ANGL. DEV. = -14.9 DEGREES          
REMARK 500      A A  25   O5' -  P   -  OP2 ANGL. DEV. =  12.8 DEGREES          
REMARK 500      U A  26   O5' -  P   -  OP2 ANGL. DEV. =  -8.4 DEGREES          
REMARK 500      U A  26   O5' -  C5' -  C4' ANGL. DEV. =  -4.8 DEGREES          
REMARK 500      U A  26   C3' -  O3' -  P   ANGL. DEV. =  -9.7 DEGREES          
REMARK 500      A A  27   C3' -  O3' -  P   ANGL. DEV. =  -9.7 DEGREES          
REMARK 500      G A  32   O3' -  P   -  OP2 ANGL. DEV. =   6.7 DEGREES          
REMARK 500      G A  32   C3' -  O3' -  P   ANGL. DEV. =  13.0 DEGREES          
REMARK 500      U A  37   O3' -  P   -  O5' ANGL. DEV. = -14.3 DEGREES          
REMARK 500      U A  37   C3' -  O3' -  P   ANGL. DEV. = -18.0 DEGREES          
REMARK 500      C A  38   O3' -  P   -  O5' ANGL. DEV. = -11.5 DEGREES          
REMARK 500      C A  39   O5' -  P   -  OP1 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500      C A  39   O5' -  P   -  OP2 ANGL. DEV. =  -8.2 DEGREES          
REMARK 500      C A  40   O5' -  P   -  OP1 ANGL. DEV. =  -7.5 DEGREES          
REMARK 500      C A  40   C3' -  O3' -  P   ANGL. DEV. =  -8.1 DEGREES          
REMARK 500      G A  48   O5' -  P   -  OP2 ANGL. DEV. = -11.5 DEGREES          
REMARK 500      A A  49   O5' -  P   -  OP1 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500      A A  49   O5' -  P   -  OP2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500      A A  50   O5' -  P   -  OP2 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500      A A  56   O3' -  P   -  O5' ANGL. DEV. = -21.1 DEGREES          
REMARK 500      A A  56   O3' -  P   -  OP1 ANGL. DEV. =  12.4 DEGREES          
REMARK 500      A A  56   C3' -  O3' -  P   ANGL. DEV. = -16.7 DEGREES          
REMARK 500      A A  57   O3' -  P   -  O5' ANGL. DEV. = -16.2 DEGREES          
REMARK 500      A A  57   O3' -  P   -  OP1 ANGL. DEV. =  10.3 DEGREES          
REMARK 500      G A  58   O3' -  P   -  OP2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500      G A  58   O5' -  P   -  OP2 ANGL. DEV. =  -7.9 DEGREES          
REMARK 500      G A  58   C3' -  O3' -  P   ANGL. DEV. =   8.9 DEGREES          
REMARK 500      U A  59   O3' -  P   -  O5' ANGL. DEV. = -20.9 DEGREES          
REMARK 500      U A  59   O3' -  P   -  OP2 ANGL. DEV. =  10.7 DEGREES          
REMARK 500      A A  60   C3' -  O3' -  P   ANGL. DEV. =   7.5 DEGREES          
REMARK 500      A A  61   O3' -  P   -  O5' ANGL. DEV. =  14.4 DEGREES          
REMARK 500      A A  61   O3' -  P   -  OP2 ANGL. DEV. =   7.0 DEGREES          
REMARK 500      A A  61   O5' -  P   -  OP2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500      A A  63   O3' -  P   -  O5' ANGL. DEV. =  13.0 DEGREES          
REMARK 500      U A  65   O3' -  P   -  O5' ANGL. DEV. = -13.3 DEGREES          
REMARK 500      U A  65   O5' -  P   -  OP2 ANGL. DEV. =  14.7 DEGREES          
REMARK 500      G A  75   O3' -  P   -  OP2 ANGL. DEV. =  11.4 DEGREES          
REMARK 500      C A  76   O3' -  P   -  OP2 ANGL. DEV. =   9.7 DEGREES          
REMARK 500      G A  80   C3' -  O3' -  P   ANGL. DEV. =  -7.5 DEGREES          
REMARK 500      U A  82   C3' -  O3' -  P   ANGL. DEV. =   8.9 DEGREES          
REMARK 500      C A  85   C3' -  O3' -  P   ANGL. DEV. = -11.0 DEGREES          
REMARK 500      U A  88   O3' -  P   -  OP2 ANGL. DEV. =  10.8 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     183 ANGLE DEVIATIONS.                             
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     EPE A  448                                                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 426   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   3   O6                                                     
REMARK 620 2   U A   4   O4   73.8                                              
REMARK 620 3   G A 107   O6   60.7  82.4                                        
REMARK 620 4   U A 375   O2' 126.7 139.4  81.0                                  
REMARK 620 5   U A 375   O3' 177.9 106.3 117.2  52.0                            
REMARK 620 6   A A 376   OP2 134.2  61.7 101.1  85.7  45.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 434   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   3   OP1                                                    
REMARK 620 2   U A   4   O4   74.9                                              
REMARK 620 3   G A   5   O6   71.0  53.5                                        
REMARK 620 4   A A 376   OP2 142.3  75.1  73.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 427   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  15   O6                                                     
REMARK 620 2   G A  16   O6   59.9                                              
REMARK 620 3   U A 255   O4  110.1  60.0                                        
REMARK 620 4   U A 256   O4   66.1  69.3  62.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 431   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  32   O2'                                                    
REMARK 620 2   G A  34   O6   62.3                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 401  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U A  66   OP2                                                    
REMARK 620 2   A A  67   OP1  70.9                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 417  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A  67   OP2                                                    
REMARK 620 2 HOH A 913   O    63.5                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 436   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  87   O6                                                     
REMARK 620 2   U A  96   O4   73.7                                              
REMARK 620 3   G A  97   O6   78.5  79.8                                        
REMARK 620 4 HOH A 928   O    75.6 138.0 120.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 408  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A 107   OP1                                                    
REMARK 620 2   G A 108   OP1  87.4                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 410  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   C A 119   OP1                                                    
REMARK 620 2   G A 239   OP1 171.6                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 418  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A 154   OP2                                                    
REMARK 620 2   G A 155   O6   84.0                                              
REMARK 620 3 HOH A 915   O   147.5 123.7                                        
REMARK 620 4 HOH A 916   O    65.3  99.8  91.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 423  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A 181   OP2                                                    
REMARK 620 2   A A 223   OP1  90.7                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 435   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A 266   O6                                                     
REMARK 620 2 HOH A 912   O    72.3                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 429   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A 268   O5'                                                    
REMARK 620 2   A A 268   OP2  46.5                                              
REMARK 620 3   G A 269   OP2  74.0 119.8                                        
REMARK 620 4   G A 270   O6  136.0  89.9 150.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 425   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A 275   O6                                                     
REMARK 620 2 HOH A 919   O    95.4                                              
REMARK 620 3 HOH A 920   O    68.2  66.1                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 428   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A 275   O6                                                     
REMARK 620 2 HOH A 919   O    80.2                                              
REMARK 620 3 HOH A 920   O    77.4  72.8                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 420  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A 283   OP2                                                    
REMARK 620 2 HOH A 917   O    65.9                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 433   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A 288   O6                                                     
REMARK 620 2   C A 358   OP2  88.4                                              
REMARK 620 3   C A 358   OP1 133.4  47.2                                        
REMARK 620 4   G A 359   O5' 102.0 118.7  91.1                                  
REMARK 620 5   G A 359   OP2 133.5  84.2  45.6  45.8                            
REMARK 620 6   C A 377   OP1 161.9  91.4  53.7  94.0  64.4                      
REMARK 620 7   C A 377   O5' 119.5 137.2 105.3  88.4  95.6  51.8                
REMARK 620 8   C A 377   O4'  69.2 154.6 157.3  78.9 119.7 106.2  54.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A 439   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A 319   OP2                                                    
REMARK 620 2   G A 320   O6  103.6                                              
REMARK 620 3 HOH A 922   O   101.5 129.3                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 501  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   C A 358   OP1                                                    
REMARK 620 2   G A 359   OP2  63.0                                              
REMARK 620 3   C A 377   OP1  81.2  83.7                                        
REMARK 620 4 HOH B 601   O    75.1  92.3 155.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 402  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   C A 360   OP1                                                    
REMARK 620 2   G A 374   OP2  99.5                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA B 500  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U A 375   OP1                                                    
REMARK 620 2   C A 377   OP2  98.3                                              
REMARK 620 3   U B   5   O3' 100.5 138.6                                        
REMARK 620 4   U B   6   OP1 151.2  81.8  64.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 401                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 402                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 404                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 406                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 407                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 408                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 409                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 410                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 411                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 413                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 414                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 415                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 416                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 417                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 418                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 419                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 420                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 422                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 423                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 425                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 426                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 427                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 428                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 429                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 430                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 431                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 433                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 434                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 435                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 436                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 437                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 438                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 439                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 441                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 442                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: DC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 443                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 444                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SPM A 445                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 446                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 447                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 448                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 500                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: EC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 501                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4E8M   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8N   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8P   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8R   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8T   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4E8V   RELATED DB: PDB                                   
DBREF  4E8K A   -2   390  PDB    4E8K     4E8K            -2    390             
DBREF  4E8K B   -2     7  PDB    4E8K     4E8K            -2      7             
SEQRES   1 A  393    G   G   G   G   U   G   U   G   C   C   C   G   G          
SEQRES   2 A  393    C   A   U   G   G   G   U   G   C   A   G   U   C          
SEQRES   3 A  393    U   A   U   A   G   G   G   U   G   A   G   A   G          
SEQRES   4 A  393    U   C   C   C   G   A   A   C   U   G   U   G   A          
SEQRES   5 A  393    A   G   G   C   A   G   A   A   G   U   A   A   C          
SEQRES   6 A  393    A   G   U   U   A   G   C   C   U   A   A   C   G          
SEQRES   7 A  393    C   A   A   G   G   G   U   G   U   C   C   G   U          
SEQRES   8 A  393    G   G   C   G   A   C   A   U   G   G   A   A   U          
SEQRES   9 A  393    C   U   G   A   A   G   G   A   A   G   C   G   G          
SEQRES  10 A  393    A   C   G   G   C   A   A   A   C   C   U   U   C          
SEQRES  11 A  393    G   G   U   C   U   G   A   G   G   A   A   C   A          
SEQRES  12 A  393    C   G   A   A   C   U   U   C   A   U   A   U   G          
SEQRES  13 A  393    A   G   G   C   U   A   G   G   U   A   U   C   A          
SEQRES  14 A  393    A   U   G   G   A   U   G   A   G   U   U   U   G          
SEQRES  15 A  393    C   A   U   A   A   C   A   A   A   A   C   A   A          
SEQRES  16 A  393    A   G   U   C   C   U   U   U   C   U   G   C   C          
SEQRES  17 A  393    A   A   A   G   U   U   G   G   U   A   C   A   G          
SEQRES  18 A  393    A   G   U   A   A   A   U   G   A   A   G   C   A          
SEQRES  19 A  393    G   A   U   U   G   A   U   G   A   A   G   G   G          
SEQRES  20 A  393    A   A   A   G   A   C   U   G   C   A   U   U   C          
SEQRES  21 A  393    U   U   A   C   C   C   G   G   G   G   A   G   G          
SEQRES  22 A  393    U   C   U   G   G   A   A   A   C   A   G   A   A          
SEQRES  23 A  393    G   U   C   A   G   C   A   G   A   A   G   U   C          
SEQRES  24 A  393    A   U   A   G   U   A   C   C   C   U   G   U   U          
SEQRES  25 A  393    C   G   C   A   G   G   G   G   A   A   G   G   A          
SEQRES  26 A  393    C   G   G   A   A   C   A   A   G   U   A   U   G          
SEQRES  27 A  393    G   C   G   U   U   C   G   C   G   C   C   U   A          
SEQRES  28 A  393    A   G   C   U   U   G   A   A   C   C   G   C   C          
SEQRES  29 A  393    G   U   A   U   A   C   C   G   A   A   C   G   G          
SEQRES  30 A  393    U   A   C   G   U   A   C   G   G   U   G   G   U          
SEQRES  31 A  393    G   U   G                                                  
SEQRES   1 B   10    C   G   A   U   U   U   A   U   U   A                      
HET     CA  A 401       1                                                       
HET     CA  A 402       1                                                       
HET     CA  A 403       1                                                       
HET     CA  A 404       1                                                       
HET     CA  A 405       1                                                       
HET     CA  A 406       1                                                       
HET     CA  A 407       1                                                       
HET     CA  A 408       1                                                       
HET     CA  A 409       1                                                       
HET     CA  A 410       1                                                       
HET     CA  A 411       1                                                       
HET     CA  A 412       1                                                       
HET     CA  A 413       1                                                       
HET     CA  A 414       1                                                       
HET     CA  A 415       1                                                       
HET     CA  A 416       1                                                       
HET     CA  A 417       1                                                       
HET     CA  A 418       1                                                       
HET     CA  A 419       1                                                       
HET     CA  A 420       1                                                       
HET     CA  A 421       1                                                       
HET     CA  A 422       1                                                       
HET     CA  A 423       1                                                       
HET     CA  A 424       1                                                       
HET      K  A 425       1                                                       
HET      K  A 426       1                                                       
HET      K  A 427       1                                                       
HET      K  A 428       1                                                       
HET      K  A 429       1                                                       
HET      K  A 430       1                                                       
HET      K  A 431       1                                                       
HET      K  A 432       1                                                       
HET      K  A 433       1                                                       
HET      K  A 434       1                                                       
HET      K  A 435       1                                                       
HET      K  A 436       1                                                       
HET      K  A 437       1                                                       
HET      K  A 438       1                                                       
HET      K  A 439       1                                                       
HET      K  A 440       1                                                       
HET    EPE  A 441      15                                                       
HET      K  A 442       1                                                       
HET    EPE  A 443      15                                                       
HET      K  A 444       1                                                       
HET    SPM  A 445      14                                                       
HET    EPE  A 446      15                                                       
HET    EPE  A 447      15                                                       
HET    EPE  A 448       5                                                       
HET     CA  B 500       1                                                       
HET     CA  B 501       1                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM       K POTASSIUM ION                                                    
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETNAM     SPM SPERMINE                                                         
HETSYN     EPE HEPES                                                            
FORMUL   3   CA    26(CA 2+)                                                    
FORMUL  27    K    18(K 1+)                                                     
FORMUL  43  EPE    5(C8 H18 N2 O4 S)                                            
FORMUL  47  SPM    C10 H26 N4                                                   
FORMUL  53  HOH   *35(H2 O)                                                     
LINK         O6    G A   3                 K     K A 426     1555   1555  3.48  
LINK         OP1   G A   3                 K     K A 434     1555   1555  3.34  
LINK         O4    U A   4                 K     K A 426     1555   1555  3.02  
LINK         O4    U A   4                 K     K A 434     1555   1555  2.60  
LINK         O6    G A   5                 K     K A 434     1555   1555  2.73  
LINK         O6    G A  15                 K     K A 427     1555   1555  3.12  
LINK         O6    G A  16                 K     K A 427     1555   1555  3.43  
LINK         O6    G A  28                 K     K A 430     1555   1555  2.76  
LINK         O2'   G A  32                 K     K A 431     1555   1555  3.39  
LINK         O6    G A  34                 K     K A 431     1555   1555  3.38  
LINK         O6    G A  52                 K     K A 444     1555   1555  2.98  
LINK         OP2   U A  66                CA    CA A 401     1555   1555  2.92  
LINK         OP1   A A  67                CA    CA A 401     1555   1555  2.74  
LINK         OP2   A A  67                CA    CA A 417     1555   1555  2.17  
LINK         O6    G A  87                 K     K A 436     1555   1555  3.02  
LINK         O4    U A  96                 K     K A 436     1555   1555  2.77  
LINK         O6    G A  97                 K     K A 436     1555   1555  2.71  
LINK         OP1   G A 107                CA    CA A 408     1555   1555  2.20  
LINK         O6    G A 107                 K     K A 426     1555   1555  2.92  
LINK         OP1   G A 108                CA    CA A 408     1555   1555  2.75  
LINK         OP1   C A 119                CA    CA A 410     1555   1555  2.63  
LINK         OP1   A A 120                CA    CA A 422     1555   1555  2.70  
LINK         OP2   G A 136                CA    CA A 413     1555   1555  2.39  
LINK         OP2   A A 154                CA    CA A 418     1555   1555  2.08  
LINK         O6    G A 155                CA    CA A 418     1555   1555  2.52  
LINK         OP2   A A 181                CA    CA A 423     1555   1555  2.87  
LINK         OP1   A A 184                CA    CA A 416     1555   1555  3.19  
LINK         OP2   A A 186                CA    CA A 411     1555   1555  2.49  
LINK         OP1   A A 223                CA    CA A 423     1555   1555  2.85  
LINK         OP1   G A 239                CA    CA A 410     1555   1555  2.47  
LINK         O4    U A 255                 K     K A 427     1555   1555  3.07  
LINK         O4    U A 256                 K     K A 427     1555   1555  2.81  
LINK         O6    G A 266                 K     K A 435     1555   1555  2.71  
LINK         O5'   A A 268                 K     K A 429     1555   1555  3.03  
LINK         OP2   A A 268                 K     K A 429     1555   1555  3.17  
LINK         OP2   G A 269                 K     K A 429     1555   1555  2.71  
LINK         O6    G A 270                 K     K A 429     1555   1555  2.98  
LINK         O6    G A 275                 K     K A 425     1555   1555  2.58  
LINK         O6    G A 275                 K     K A 428     1555   1555  2.88  
LINK         OP2   A A 283                CA    CA A 420     1555   1555  2.76  
LINK         OP1   G A 284                CA    CA A 414     1555   1555  3.14  
LINK         OP1   U A 285                CA    CA A 419     1555   1555  2.55  
LINK         O6    G A 288                 K     K A 433     1555   1555  2.77  
LINK         OP2   A A 319                 K     K A 439     1555   1555  3.24  
LINK         O6    G A 320                 K     K A 439     1555   1555  2.95  
LINK         O6    G A 325                CA    CA A 404     1555   1555  2.45  
LINK         OP2   C A 358                 K     K A 433     1555   1555  2.77  
LINK         OP1   C A 358                 K     K A 433     1555   1555  3.49  
LINK         OP1   C A 358                CA    CA B 501     1555   1555  2.32  
LINK         O5'   G A 359                 K     K A 433     1555   1555  2.97  
LINK         OP2   G A 359                 K     K A 433     1555   1555  3.28  
LINK         OP2   G A 359                CA    CA B 501     1555   1555  2.67  
LINK         OP1   C A 360                CA    CA A 402     1555   1555  2.38  
LINK         O4    U A 365                 K     K A 442     1555   1555  2.79  
LINK         OP2   G A 374                CA    CA A 402     1555   1555  2.39  
LINK         O2'   U A 375                 K     K A 426     1555   1555  2.90  
LINK         O3'   U A 375                 K     K A 426     1555   1555  3.30  
LINK         OP1   U A 375                CA    CA B 500     1555   1555  2.11  
LINK         OP2   A A 376                 K     K A 426     1555   1555  2.99  
LINK         OP2   A A 376                 K     K A 434     1555   1555  2.46  
LINK         OP1   C A 377                 K     K A 433     1555   1555  2.65  
LINK         O5'   C A 377                 K     K A 433     1555   1555  2.71  
LINK         O4'   C A 377                 K     K A 433     1555   1555  3.19  
LINK         OP2   C A 377                CA    CA B 500     1555   1555  2.23  
LINK         OP1   C A 377                CA    CA B 501     1555   1555  2.08  
LINK        CA    CA A 406                 O   HOH A 911     1555   1555  2.40  
LINK        CA    CA A 417                 O   HOH A 913     1555   1555  2.26  
LINK        CA    CA A 418                 O   HOH A 915     1555   1555  2.45  
LINK        CA    CA A 418                 O   HOH A 916     1555   1555  2.81  
LINK        CA    CA A 420                 O   HOH A 917     1555   1555  2.19  
LINK         K     K A 425                 O   HOH A 919     1555   1555  2.52  
LINK         K     K A 425                 O   HOH A 920     1555   1555  3.26  
LINK         K     K A 428                 O   HOH A 919     1555   1555  2.96  
LINK         K     K A 428                 O   HOH A 920     1555   1555  2.39  
LINK         K     K A 435                 O   HOH A 912     1555   1555  2.56  
LINK         K     K A 436                 O   HOH A 928     1555   1555  3.21  
LINK         K     K A 437                 O   HOH A 932     1555   1555  3.07  
LINK         K     K A 438                 O8  EPE A 447     1555   1555  3.02  
LINK         K     K A 439                 O   HOH A 922     1555   1555  3.31  
LINK         O3'   U B   5                CA    CA B 500     1555   1555  1.89  
LINK         OP1   U B   6                CA    CA B 500     1555   1555  2.66  
LINK        CA    CA B 501                 O   HOH B 601     1555   1555  2.63  
SITE     1 AC1  2   U A  66    A A  67                                          
SITE     1 AC2  2   C A 360    G A 374                                          
SITE     1 AC3  1   G A 325                                                     
SITE     1 AC4  2   U A  59  HOH A 911                                          
SITE     1 AC5  2   U A  26    G A  41                                          
SITE     1 AC6  2   G A 107    G A 108                                          
SITE     1 AC7  2   C A 372    G A 373                                          
SITE     1 AC8  2   C A 119    G A 239                                          
SITE     1 AC9  1   A A 186                                                     
SITE     1 BC1  2   G A 136    U A 225                                          
SITE     1 BC2  1   G A 284                                                     
SITE     1 BC3  1   G A 169                                                     
SITE     1 BC4  1   A A 184                                                     
SITE     1 BC5  3   A A  67    G A  68  HOH A 913                               
SITE     1 BC6  6   A A 154    G A 155    G A 156    U A 221                    
SITE     2 BC6  6 HOH A 915  HOH A 916                                          
SITE     1 BC7  1   U A 285                                                     
SITE     1 BC8  2   A A 283  HOH A 917                                          
SITE     1 BC9  2   A A 120    A A 121                                          
SITE     1 CC1  2   A A 181    A A 223                                          
SITE     1 CC2  2   G A 275  HOH A 919                                          
SITE     1 CC3  5   G A   3    U A   4    G A 107    U A 375                    
SITE     2 CC3  5   A A 376                                                     
SITE     1 CC4  4   G A  15    G A  16    U A 255    U A 256                    
SITE     1 CC5  4   G A 275    A A 277  HOH A 919  HOH A 920                    
SITE     1 CC6  3   A A 268    G A 269    G A 270                               
SITE     1 CC7  1   G A  28                                                     
SITE     1 CC8  3   G A  32    G A  34    A A  50                               
SITE     1 CC9  4   G A 288    C A 358    G A 359    C A 377                    
SITE     1 DC1  4   G A   3    U A   4    G A   5    A A 376                    
SITE     1 DC2  2   G A 266  HOH A 912                                          
SITE     1 DC3  5   C A  86    G A  87    A A  95    U A  96                    
SITE     2 DC3  5   G A  97                                                     
SITE     1 DC4  1 HOH A 932                                                     
SITE     1 DC5  1 EPE A 447                                                     
SITE     1 DC6  4   A A 297    U A 298    A A 319    G A 320                    
SITE     1 DC7  3   G A 300    G A 314    G A 315                               
SITE     1 DC8  1   U A 365                                                     
SITE     1 DC9  4   C A  38    C A  39    G A 243    G A 244                    
SITE     1 EC1  1   G A  52                                                     
SITE     1 EC2  4   G A  29    G A  30    U A  31    G A  32                    
SITE     1 EC3  6   U A  71    G A 111    C A 112    G A 113                    
SITE     2 EC3  6   G A 114  HOH A 931                                          
SITE     1 EC4  6   A A  77    A A  78    G A  79    U A 103                    
SITE     2 EC4  6   G A 104    K A 438                                          
SITE     1 EC5  3   C A 116    G A 117    G A 118                               
SITE     1 EC6  5   U A 375    C A 377    U B   5    U B   6                    
SITE     2 EC6  5  CA B 501                                                     
SITE     1 EC7  6   C A 358    G A 359    C A 377    U B   6                    
SITE     2 EC7  6  CA B 500  HOH B 601                                          
CRYST1   88.447   96.247  224.354  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011306  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010390  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004457        0.00000