HEADER    RNA BINDING PROTEIN/STRUCTURAL PROTEIN  30-AUG-04   1XBI              
TITLE     HIGH RESOLUTION STRUCTURE OF METHANOCALDOCOCCUS JANNASCHII L7AE       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 50S RIBOSOMAL PROTEIN L7AE;                                
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: METHANOCALDOCOCCUS JANNASCHII;                  
SOURCE   3 ORGANISM_TAXID: 2190;                                                
SOURCE   4 GENE: RPL7AE, MJ1203;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: ROSETTA(DE3)PLYSS (NOVAGEN);               
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    ALPHA-BETA-ALPHA SANDWICH FOLD, RNA BINDING PROTEIN-STRUCTURAL        
KEYWDS   2 PROTEIN COMPLEX                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.A.BROWN II,J.SURYADI,D.V.LIEBERMAN,E.J.TRAN,E.S.MAXWELL             
REVDAT   4   23-AUG-23 1XBI    1       REMARK SEQADV                            
REVDAT   3   11-OCT-17 1XBI    1       REMARK                                   
REVDAT   2   24-FEB-09 1XBI    1       VERSN                                    
REVDAT   1   09-AUG-05 1XBI    0                                                
JRNL        AUTH   J.SURYADI,E.J.TRAN,E.S.MAXWELL,B.A.BROWN II                  
JRNL        TITL   THE CRYSTAL STRUCTURE OF THE METHANOCALDOCOCCUS JANNASCHII   
JRNL        TITL 2 MULTIFUNCTIONAL L7AE RNA-BINDING PROTEIN REVEALS AN          
JRNL        TITL 3 INDUCED-FIT INTERACTION WITH THE BOX C/D RNAS.               
JRNL        REF    BIOCHEMISTRY                  V.  44  9657 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16008351                                                     
JRNL        DOI    10.1021/BI050568Q                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.45 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0001                                      
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) : 1.45                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 27.63                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 18451                          
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) : 0.135                           
REMARK   3   R VALUE            (WORKING SET) : 0.132                           
REMARK   3   FREE R VALUE                     : 0.193                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 962                             
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) : 1.45                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.49                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1249                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1310                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 57                           
REMARK   3   BIN FREE R VALUE                    : 0.2470                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 902                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 173                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.08                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.02000                                             
REMARK   3    B22 (A**2) : 0.15000                                              
REMARK   3    B33 (A**2) : -0.13000                                             
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): 0.074         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.072         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.045         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.524         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.974                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.954                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):   983 ; 0.063 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):   968 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1326 ; 4.590 ; 2.006       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2291 ; 2.240 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   117 ; 6.512 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    42 ;37.256 ;27.381       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   208 ;19.046 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     2 ;34.465 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   160 ; 0.273 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1020 ; 0.020 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   146 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   203 ; 0.291 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):   963 ; 0.232 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   694 ; 0.124 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    95 ; 0.285 ; 0.200       
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):    27 ; 0.382 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    47 ; 0.368 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    26 ; 0.465 ; 0.200       
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):   747 ; 4.185 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   240 ; 1.503 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   978 ; 4.586 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   431 ; 8.974 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   348 ;11.591 ; 4.500       
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):  2189 ; 4.221 ; 3.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   173 ;22.368 ; 5.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1941 ; 6.009 ; 5.000       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH 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                                                           
REMARK   4                                                                      
REMARK   4 1XBI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-SEP-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000030170.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUL-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X26C                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9000                             
REMARK 200  MONOCHROMATOR                  : SI 111 CRYSTAL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MADNESS                            
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19412                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.440                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 27.580                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 7.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 31.5044                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.44                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.49                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.00                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.83900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.195                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: EPMR                                                  
REMARK 200 STARTING MODEL: PDB ENTRY 1RA4                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.41                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 50MM HEPES, 10%            
REMARK 280  ISOPROPANOL, 5% ETHYLENE GLYCOL, PH 7.5, VAPOR DIFFUSION,           
REMARK 280  HANGING DROP, TEMPERATURE 298.0K                                    
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       21.83250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       25.95700            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.43450            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       25.95700            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.83250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       24.43450            
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: MONOMERIC                         
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 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     GLY A    -3                                                      
REMARK 465     SER A    -2                                                      
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   O    HOH A   287     O    HOH A   299              1.56            
REMARK 500   OE2  GLU A   104     O    HOH A   255              1.69            
REMARK 500   O    HOH A   215     O    HOH A   218              2.01            
REMARK 500   O    HOH A   241     O    HOH A   275              2.03            
REMARK 500   ND2  ASN A    32     O    HOH A   274              2.14            
REMARK 500   OE2  GLU A   103     O    HOH A   263              2.16            
REMARK 500   O    HOH A   331     O    HOH A   362              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   261     O    HOH A   318     4466     1.49            
REMARK 500   OE2  GLU A    55     O    HOH A   215     2575     1.56            
REMARK 500   OE1  GLU A    39     O    HOH A   280     2565     1.64            
REMARK 500   O    HOH A   229     O    HOH A   297     4566     2.19            
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    HIS A  -1   N     HIS A  -1   CA      0.144                       
REMARK 500    HIS A  -1   CA    HIS A  -1   CB      0.150                       
REMARK 500    MET A   1   N     MET A   1   CA     -0.339                       
REMARK 500    LYS A   6   CB    LYS A   6   CG     -0.198                       
REMARK 500    LYS A   6   CG    LYS A   6   CD      0.218                       
REMARK 500    LYS A   6   CD    LYS A   6   CE      0.178                       
REMARK 500    LYS A   6   CE    LYS A   6   NZ     -0.170                       
REMARK 500    LYS A   8   CG    LYS A   8   CD      0.217                       
REMARK 500    LYS A   8   CD    LYS A   8   CE      0.290                       
REMARK 500    GLU A  11   CB    GLU A  11   CG     -0.240                       
REMARK 500    GLU A  11   CG    GLU A  11   CD      0.099                       
REMARK 500    GLU A  11   CD    GLU A  11   OE1     0.095                       
REMARK 500    GLU A  12   CD    GLU A  12   OE1     0.086                       
REMARK 500    GLU A  12   CD    GLU A  12   OE2     0.069                       
REMARK 500    LYS A  15   CD    LYS A  15   CE      0.182                       
REMARK 500    GLU A  16   CD    GLU A  16   OE1     0.097                       
REMARK 500    GLU A  16   CD    GLU A  16   OE2    -0.072                       
REMARK 500    LYS A  28   CE    LYS A  28   NZ      0.169                       
REMARK 500    LYS A  29   CD    LYS A  29   CE     -0.221                       
REMARK 500    ASN A  32   CG    ASN A  32   ND2    -0.183                       
REMARK 500    GLU A  33   CG    GLU A  33   CD      0.131                       
REMARK 500    GLU A  33   CD    GLU A  33   OE1     0.070                       
REMARK 500    GLU A  33   CD    GLU A  33   OE2     0.162                       
REMARK 500    GLU A  39   CA    GLU A  39   CB     -0.156                       
REMARK 500    GLU A  39   CB    GLU A  39   CG     -0.134                       
REMARK 500    GLU A  39   CG    GLU A  39   CD      0.097                       
REMARK 500    GLU A  39   CD    GLU A  39   OE2     0.173                       
REMARK 500    ARG A  40   CB    ARG A  40   CG     -0.252                       
REMARK 500    ARG A  40   CD    ARG A  40   NE     -0.121                       
REMARK 500    ARG A  40   NE    ARG A  40   CZ     -0.086                       
REMARK 500    ARG A  40   NE    ARG A  40   CZ      0.113                       
REMARK 500    ARG A  40   CZ    ARG A  40   NH1     0.080                       
REMARK 500    ARG A  40   CZ    ARG A  40   NH2     0.115                       
REMARK 500    LYS A  53   CD    LYS A  53   CE      0.161                       
REMARK 500    GLU A  56   CD    GLU A  56   OE1     0.165                       
REMARK 500    GLU A  56   CD    GLU A  56   OE1    -0.086                       
REMARK 500    GLU A  56   CD    GLU A  56   OE2     0.117                       
REMARK 500    GLU A  56   CD    GLU A  56   OE2    -0.073                       
REMARK 500    HIS A  60   NE2   HIS A  60   CD2    -0.067                       
REMARK 500    GLU A  66   CG    GLU A  66   CD      0.141                       
REMARK 500    GLU A  67   CD    GLU A  67   OE1    -0.072                       
REMARK 500    LYS A  68   CD    LYS A  68   CE      0.381                       
REMARK 500    TYR A  72   CD1   TYR A  72   CE1    -0.093                       
REMARK 500    TYR A  72   CZ    TYR A  72   CE2    -0.078                       
REMARK 500    LYS A  83   CE    LYS A  83   NZ      0.237                       
REMARK 500    GLY A  86   CA    GLY A  86   C      -0.117                       
REMARK 500    GLU A  88   CB    GLU A  88   CG      0.148                       
REMARK 500    GLU A  88   CD    GLU A  88   OE2     0.182                       
REMARK 500    GLU A  99   CG    GLU A  99   CD     -0.123                       
REMARK 500    GLU A 103   CG    GLU A 103   CD      0.251                       
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      59 BOND DEVIATIONS.                              
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    HIS A  -1   CB  -  CA  -  C   ANGL. DEV. =  14.1 DEGREES          
REMARK 500    MET A   1   C   -  N   -  CA  ANGL. DEV. =  17.2 DEGREES          
REMARK 500    VAL A   3   CA  -  CB  -  CG2 ANGL. DEV. =  -9.4 DEGREES          
REMARK 500    TYR A   4   CB  -  CG  -  CD2 ANGL. DEV. =   6.5 DEGREES          
REMARK 500    TYR A   4   CG  -  CD2 -  CE2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    LYS A   8   CD  -  CE  -  NZ  ANGL. DEV. = -24.6 DEGREES          
REMARK 500    GLU A  11   OE1 -  CD  -  OE2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500    GLU A  12   OE1 -  CD  -  OE2 ANGL. DEV. =  -8.3 DEGREES          
REMARK 500    LYS A  15   CD  -  CE  -  NZ  ANGL. DEV. = -22.4 DEGREES          
REMARK 500    ASP A  19   CB  -  CG  -  OD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500    ASP A  19   O   -  C   -  N   ANGL. DEV. =  -9.9 DEGREES          
REMARK 500    ASN A  32   CB  -  CA  -  C   ANGL. DEV. =  16.1 DEGREES          
REMARK 500    LYS A  36   CD  -  CE  -  NZ  ANGL. DEV. = -19.5 DEGREES          
REMARK 500    GLU A  39   N   -  CA  -  CB  ANGL. DEV. =  11.5 DEGREES          
REMARK 500    ARG A  40   CD  -  NE  -  CZ  ANGL. DEV. =   8.9 DEGREES          
REMARK 500    ARG A  40   CD  -  NE  -  CZ  ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. =   3.6 DEGREES          
REMARK 500    ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. = -15.3 DEGREES          
REMARK 500    ARG A  40   NE  -  CZ  -  NH2 ANGL. DEV. = -10.5 DEGREES          
REMARK 500    ARG A  40   NE  -  CZ  -  NH2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500    GLU A  56   OE1 -  CD  -  OE2 ANGL. DEV. =  10.1 DEGREES          
REMARK 500    GLU A  56   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.3 DEGREES          
REMARK 500    TYR A  63   CB  -  CG  -  CD2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    GLU A  67   OE1 -  CD  -  OE2 ANGL. DEV. =  10.4 DEGREES          
REMARK 500    LYS A  68   CG  -  CD  -  CE  ANGL. DEV. =  25.2 DEGREES          
REMARK 500    LYS A  68   CD  -  CE  -  NZ  ANGL. DEV. =  17.0 DEGREES          
REMARK 500    ASP A  80   OD1 -  CG  -  OD2 ANGL. DEV. =  18.2 DEGREES          
REMARK 500    ASP A  80   CB  -  CG  -  OD1 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500    ASP A  80   CB  -  CG  -  OD2 ANGL. DEV. = -11.1 DEGREES          
REMARK 500    GLU A  99   OE1 -  CD  -  OE2 ANGL. DEV. = -17.3 DEGREES          
REMARK 500    GLU A  99   CG  -  CD  -  OE2 ANGL. DEV. =  16.2 DEGREES          
REMARK 500    GLY A 100   O   -  C   -  N   ANGL. DEV. =  -9.8 DEGREES          
REMARK 500    ASP A 101   CB  -  CG  -  OD1 ANGL. DEV. =  -8.2 DEGREES          
REMARK 500    GLU A 103   OE1 -  CD  -  OE2 ANGL. DEV. = -10.9 DEGREES          
REMARK 500    GLU A 104   N   -  CA  -  CB  ANGL. DEV. =  15.6 DEGREES          
REMARK 500    GLU A 104   OE1 -  CD  -  OE2 ANGL. DEV. =  -9.7 DEGREES          
REMARK 500    LYS A 111   CD  -  CE  -  NZ  ANGL. DEV. = -18.6 DEGREES          
REMARK 500    LYS A 116   CD  -  CE  -  NZ  ANGL. DEV. = -14.7 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    MET A   1       94.04     57.18                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    GLU A  16         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLU A  88        -10.66                                           
REMARK 500    LYS A 106        -10.62                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EPE A 150                 
DBREF  1XBI A    1   117  UNP    P54066   RL7A_METJA       1    117             
SEQADV 1XBI GLY A   -3  UNP  P54066              CLONING ARTIFACT               
SEQADV 1XBI SER A   -2  UNP  P54066              CLONING ARTIFACT               
SEQADV 1XBI HIS A   -1  UNP  P54066              CLONING ARTIFACT               
SEQRES   1 A  120  GLY SER HIS MET ALA VAL TYR VAL LYS PHE LYS VAL PRO          
SEQRES   2 A  120  GLU GLU ILE GLN LYS GLU LEU LEU ASP ALA VAL ALA LYS          
SEQRES   3 A  120  ALA GLN LYS ILE LYS LYS GLY ALA ASN GLU VAL THR LYS          
SEQRES   4 A  120  ALA VAL GLU ARG GLY ILE ALA LYS LEU VAL ILE ILE ALA          
SEQRES   5 A  120  GLU ASP VAL LYS PRO GLU GLU VAL VAL ALA HIS LEU PRO          
SEQRES   6 A  120  TYR LEU CYS GLU GLU LYS GLY ILE PRO TYR ALA TYR VAL          
SEQRES   7 A  120  ALA SER LYS GLN ASP LEU GLY LYS ALA ALA GLY LEU GLU          
SEQRES   8 A  120  VAL ALA ALA SER SER VAL ALA ILE ILE ASN GLU GLY ASP          
SEQRES   9 A  120  ALA GLU GLU LEU LYS VAL LEU ILE GLU LYS VAL ASN VAL          
SEQRES  10 A  120  LEU LYS GLN                                                  
HET    EPE  A 150      15                                                       
HETNAM     EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID              
HETSYN     EPE HEPES                                                            
FORMUL   2  EPE    C8 H18 N2 O4 S                                               
FORMUL   3  HOH   *173(H2 O)                                                    
HELIX    1   1 PRO A   10  LYS A   23  1                                  14    
HELIX    2   2 GLY A   30  ARG A   40  1                                  11    
HELIX    3   3 PRO A   54  VAL A   58  5                                   5    
HELIX    4   4 HIS A   60  LYS A   68  1                                   9    
HELIX    5   5 SER A   77  ALA A   85  1                                   9    
HELIX    6   6 ASP A  101  LYS A  116  1                                  16    
SHEET    1   A 4 LYS A  26  LYS A  29  0                                        
SHEET    2   A 4 SER A  93  ASN A  98 -1  O  ILE A  97   N  LYS A  26           
SHEET    3   A 4 LEU A  45  ALA A  49 -1  N  ILE A  47   O  VAL A  94           
SHEET    4   A 4 TYR A  72  VAL A  75  1  O  ALA A  73   N  ILE A  48           
CISPEP   1 LYS A   53    PRO A   54          0        -3.33                     
SITE     1 AC1 11 PRO A  10  GLU A  11  GLU A  56  ALA A  59                    
SITE     2 AC1 11 TYR A  63  HOH A 217  HOH A 232  HOH A 238                    
SITE     3 AC1 11 HOH A 240  HOH A 253  HOH A 278                               
CRYST1   43.665   48.869   51.914  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      0.022902  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020463  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.019263        0.00000