HEADER    RNA                                     07-AUG-12   4B5R              
TITLE     SAM-I RIBOSWITCH BEARING THE H. MARISMORTUI K-T-7                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SAM-I RIBOSWITCH;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: APTAMER DOMAIN, RESIDUES 1-94;                             
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: THERMOANAEROBACTER TENGCONGENSIS;               
SOURCE   4 ORGANISM_TAXID: 119072                                               
KEYWDS    RNA, RIBOSWITCH, K-TURN                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.DALDROP,D.M.J.LILLEY                                                
REVDAT   3   20-DEC-23 4B5R    1       REMARK LINK                              
REVDAT   2   06-MAR-13 4B5R    1       JRNL                                     
REVDAT   1   30-JAN-13 4B5R    0                                                
JRNL        AUTH   P.DALDROP,D.M.J.LILLEY                                       
JRNL        TITL   THE PLASTICITY OF A STRUCTURAL MOTIF IN RNA: STRUCTURAL      
JRNL        TITL 2 POLYMORPHISM OF A KINK TURN AS A FUNCTION OF ITS             
JRNL        TITL 3 ENVIRONMENT.                                                 
JRNL        REF    RNA                           V.  19   357 2013              
JRNL        REFN                   ISSN 1355-8382                               
JRNL        PMID   23325110                                                     
JRNL        DOI    10.1261/RNA.036657.112                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.95 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) : 2.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 54.90                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 5898                           
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) : 0.221                           
REMARK   3   R VALUE            (WORKING SET) : 0.219                           
REMARK   3   FREE R VALUE                     : 0.252                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 287                             
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) : 2.95                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 3.03                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 408                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.08                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3210                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 21                           
REMARK   3   BIN FREE R VALUE                    : 0.3160                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 0                                       
REMARK   3   NUCLEIC ACID ATOMS       : 2033                                    
REMARK   3   HETEROGEN ATOMS          : 46                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.44                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 9.83000                                              
REMARK   3    B22 (A**2) : 9.83000                                              
REMARK   3    B33 (A**2) : -19.66000                                            
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): 0.095         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.204         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 20.209        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.909                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.900                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2309 ; 0.005 ; 0.011       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3601 ; 1.685 ; 1.475       
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):   381 ; 0.103 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1013 ; 0.007 ; 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     1        A    94                          
REMARK   3    ORIGIN FOR THE GROUP (A):   8.0458 -11.3258 -16.5567              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0051 T22:   0.0086                                     
REMARK   3      T33:   0.0602 T12:   0.0011                                     
REMARK   3      T13:   0.0169 T23:  -0.0004                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3566 L22:   0.4905                                     
REMARK   3      L33:   0.6950 L12:   0.1324                                     
REMARK   3      L13:   0.4365 L23:  -0.1037                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0031 S12:  -0.0510 S13:   0.0280                       
REMARK   3      S21:   0.0293 S22:   0.0051 S23:   0.0716                       
REMARK   3      S31:  -0.0142 S32:  -0.0771 S33:  -0.0082                       
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 ADDED IN THE RIDING   
REMARK   3  POSITIONS. HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT. U      
REMARK   3  VALUES WITH TLS ADDED                                               
REMARK   4                                                                      
REMARK   4 4B5R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-AUG-12.                  
REMARK 100 THE DEPOSITION ID IS D_1290053649.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-OCT-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9334                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6230                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 8.700                              
REMARK 200  R MERGE                    (I) : 0.18000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 9.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.59000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3GX5                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 40 MM NA-CACODYLATE PH 7, 80 MM KCL,     
REMARK 280  12 MM SPERMINE HCL, 20 MM BACL2, 14 %(V/V) MPD                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       77.35500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       29.36000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       29.36000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      116.03250            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       29.36000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       29.36000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       38.67750            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       29.36000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       29.36000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      116.03250            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       29.36000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       29.36000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       38.67750            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       77.35500            
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: 9760 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27220 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -284.7 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 350   BIOMT1   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
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   N2     G A    19     O2'    G A    35              2.01            
REMARK 500   N1     G A    19     O2'    G A    35              2.06            
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      G A   1   P       G A   1   OP3    -0.118                       
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      G A   1   C3' -  O3' -  P   ANGL. DEV. =   8.0 DEGREES          
REMARK 500      A A   9   C3' -  O3' -  P   ANGL. DEV. =  12.8 DEGREES          
REMARK 500      G A  18   C2' -  C3' -  O3' ANGL. DEV. =  10.1 DEGREES          
REMARK 500      G A  18   C3' -  O3' -  P   ANGL. DEV. =  10.2 DEGREES          
REMARK 500      A A  33   C3' -  O3' -  P   ANGL. DEV. =  12.2 DEGREES          
REMARK 500      C A  93   C3' -  O3' -  P   ANGL. DEV. =  -7.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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                              BA A1106  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A   1   N7                                                     
REMARK 620 2   G A   1   O6   56.7                                              
REMARK 620 3  BA A1110  BA    99.9  60.2                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A1097   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   A A  10   OP2                                                    
REMARK 620 2   G A  11   OP2  77.2                                              
REMARK 620 3   A A  62   OP1 108.7 167.1                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1101  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  11   O6                                                     
REMARK 620 2   U A  64   OP1 130.1                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1104  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  15   O6                                                     
REMARK 620 2   G A  16   N7   66.0                                              
REMARK 620 3   G A  16   O6   62.3  63.4                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1096  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  27   O6                                                     
REMARK 620 2   G A  28   O6   62.0                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1099  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   U A  64   O2'                                                    
REMARK 620 2   U A  64   O2   65.9                                              
REMARK 620 3   U A  67   O4  126.6 145.8                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A1102   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  71   O6                                                     
REMARK 620 2   G A  79   O6   61.4                                              
REMARK 620 3   U A  80   O4   76.2  71.3                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1105  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  74   N7                                                     
REMARK 620 2   G A  74   O6   59.7                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              BA A1112  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1   G A  94   O6                                                     
REMARK 620 2   G A  94   O6   55.2                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 1095                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1096                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1097                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1098                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1099                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1100                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1102                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1103                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1104                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1105                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1106                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1107                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1108                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1109                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1110                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1112                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1113                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1114                  
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 MUTATIONS U17G, G22C, C30G, U34A, A94G                               
DBREF  4B5R A    1    94  PDB    4B5R     4B5R             1     94             
SEQRES   1 A   94    G   G   C   U   U   A   U   C   A   A   G   A   G          
SEQRES   2 A   94    A   G   G   G   G   G   A   G   C   G   A   C   U          
SEQRES   3 A   94    G   G   C   G   C   G   A   A   G   A   A   C   C          
SEQRES   4 A   94    C   C   G   G   C   A   A   C   C   A   G   A   A          
SEQRES   5 A   94    A   U   G   G   U   G   C   C   A   A   U   U   C          
SEQRES   6 A   94    C   U   G   C   A   G   C   G   G   A   A   A   C          
SEQRES   7 A   94    G   U   U   G   A   A   A   G   A   U   G   A   G          
SEQRES   8 A   94    C   C   G                                                  
HET    SAM  A1095      27                                                       
HET     BA  A1096       1                                                       
HET      K  A1097       1                                                       
HET      K  A1098       1                                                       
HET     BA  A1099       1                                                       
HET      K  A1100       1                                                       
HET     BA  A1101       1                                                       
HET      K  A1102       1                                                       
HET      K  A1103       1                                                       
HET     BA  A1104       1                                                       
HET     BA  A1105       1                                                       
HET     BA  A1106       1                                                       
HET     BA  A1107       1                                                       
HET     BA  A1108       1                                                       
HET     BA  A1109       1                                                       
HET     BA  A1110       1                                                       
HET     BA  A1111       1                                                       
HET     BA  A1112       1                                                       
HET      K  A1113       1                                                       
HET      K  A1114       1                                                       
HETNAM     SAM S-ADENOSYLMETHIONINE                                             
HETNAM      BA BARIUM ION                                                       
HETNAM       K POTASSIUM ION                                                    
FORMUL   2  SAM    C15 H22 N6 O5 S                                              
FORMUL   3   BA    12(BA 2+)                                                    
FORMUL   4    K    7(K 1+)                                                      
LINK         N7    G A   1                BA    BA A1106     7555   1555  2.94  
LINK         O6    G A   1                BA    BA A1106     7555   1555  3.49  
LINK         N7    G A   1                BA    BA A1110     1555   1555  3.17  
LINK         OP2   A A  10                 K     K A1097     1555   1555  3.46  
LINK         OP2   G A  11                 K     K A1097     1555   1555  2.73  
LINK         O6    G A  11                BA    BA A1101     1555   1555  2.73  
LINK         N7    G A  13                 K     K A1114     1555   1555  3.01  
LINK         O6    G A  15                BA    BA A1104     1555   1555  3.41  
LINK         N7    G A  16                BA    BA A1104     1555   1555  2.97  
LINK         O6    G A  16                BA    BA A1104     1555   1555  2.91  
LINK         O6    G A  18                BA    BA A1107     1555   1555  3.01  
LINK         O6    G A  27                BA    BA A1096     1555   1555  3.04  
LINK         O6    G A  28                BA    BA A1096     1555   1555  3.15  
LINK         O6    G A  32                BA    BA A1109     8554   1555  3.37  
LINK         O6    G A  50                 K     K A1098     1555   1555  2.89  
LINK         OP1   A A  62                 K     K A1097     1555   1555  2.74  
LINK         O2'   U A  64                BA    BA A1099     1555   1555  3.01  
LINK         O2    U A  64                BA    BA A1099     1555   1555  3.10  
LINK         OP1   U A  64                BA    BA A1101     1555   1555  3.37  
LINK         O4    U A  67                BA    BA A1099     1555   1555  3.35  
LINK         O6    G A  71                 K     K A1102     1555   1555  3.18  
LINK         N7    G A  74                BA    BA A1105     1455   1555  2.88  
LINK         O6    G A  74                BA    BA A1105     1455   1555  3.29  
LINK         O6    G A  79                 K     K A1102     1555   1555  2.71  
LINK         O4    U A  80                 K     K A1102     1555   1555  3.18  
LINK         O6    G A  82                 K     K A1100     1555   1555  2.98  
LINK         O6    G A  86                 K     K A1103     1555   1555  3.36  
LINK         O4    U A  88                BA    BA A1108     1555   1555  3.41  
LINK         O6    G A  94                BA    BA A1112     7555   1555  3.04  
LINK         O6    G A  94                BA    BA A1112     1555   1555  3.11  
LINK        BA    BA A1106                BA    BA A1110     7555   1555  1.78  
SITE     1 AC1 12   U A   7    C A   8    A A  10    G A  11                    
SITE     2 AC1 12   A A  45    A A  46    C A  47    U A  57                    
SITE     3 AC1 12   G A  58    C A  59    U A  88    G A  89                    
SITE     1 AC2  2   G A  27    G A  28                                          
SITE     1 AC3  3   A A  10    G A  11    A A  62                               
SITE     1 AC4  1   G A  50                                                     
SITE     1 AC5  2   U A  64    U A  67                                          
SITE     1 AC6  2   U A  81    G A  82                                          
SITE     1 AC7  2   G A  11    U A  64                                          
SITE     1 AC8  4   A A  70    G A  71    G A  79    U A  80                    
SITE     1 AC9  2   A A  85    G A  86                                          
SITE     1 BC1  2   G A  15    G A  16                                          
SITE     1 BC2  1   G A  74                                                     
SITE     1 BC3  2   G A   1   BA A1110                                          
SITE     1 BC4  1   G A  18                                                     
SITE     1 BC5  1   U A  88                                                     
SITE     1 BC6  1   G A  32                                                     
SITE     1 BC7  2   G A   1   BA A1106                                          
SITE     1 BC8  1   G A  94                                                     
SITE     1 BC9  1   G A  56                                                     
SITE     1 CC1  1   G A  13                                                     
CRYST1   58.720   58.720  154.710  90.00  90.00  90.00 P 43 21 2     8          
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      0.017030  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017030  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006464        0.00000