HEADER    TRANSFERASE                             03-FEB-05   1YR3              
TITLE     ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE II, THE PRODUCT OF   
TITLE    2 THE XAPA GENE                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: XANTHOSINE PHOSPHORYLASE;                                  
COMPND   3 CHAIN: A, B, C, D, E, F;                                             
COMPND   4 SYNONYM: PNP-II, PURINE NUCLEOSIDE PHOSPHORYLASE;                    
COMPND   5 EC: 2.4.2.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: XAPA, PNDA;                                                    
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: GD1524;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PGD265                                    
KEYWDS    PURINE NUCLEOSIDE PHOSPHORYLASE GUANINE XANTHINE, TRANSFERASE         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.DANDANELL,R.H.SZCZEPANOWSKI,B.KIERDASZUK,D.SHUGAR,M.BOCHTLER        
REVDAT   4   23-AUG-23 1YR3    1       REMARK                                   
REVDAT   3   21-JAN-15 1YR3    1       REMARK VERSN                             
REVDAT   2   24-FEB-09 1YR3    1       VERSN                                    
REVDAT   1   19-APR-05 1YR3    0                                                
JRNL        AUTH   G.DANDANELL,R.H.SZCZEPANOWSKI,B.KIERDASZUK,D.SHUGAR,         
JRNL        AUTH 2 M.BOCHTLER                                                   
JRNL        TITL   ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE II, THE     
JRNL        TITL 2 PRODUCT OF THE XAPA GENE                                     
JRNL        REF    J.MOL.BIOL.                   V. 348   113 2005              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   15808857                                                     
JRNL        DOI    10.1016/J.JMB.2005.02.019                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 35955                          
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 SET) : 0.249                           
REMARK   3   FREE R VALUE                     : 0.272                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1781                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 12378                                   
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 96                                      
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 49.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 28.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -14.48300                                            
REMARK   3    B22 (A**2) : 11.92800                                             
REMARK   3    B33 (A**2) : 2.55500                                              
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 COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1YR3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-FEB-05.                  
REMARK 100 THE DEPOSITION ID IS D_1000031833.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUN-02                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RUH3R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : OSMIC MAX FLUX                     
REMARK 200  OPTICS                         : OSMIC MAXFLUX                      
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 35998                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY                : 123.4                              
REMARK 200  R MERGE                    (I) : 0.12900                            
REMARK 200  R SYM                      (I) : 0.12900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.26                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.35700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.300                              
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: 1YQQ                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIS, LI2SO4, PEG4K, PH 8.5, VAPOR       
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 294K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       75.22100            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       77.61600            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       75.22100            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       77.61600            
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 300 REMARK: A HEXAMER WITH 32 POINT SYMMETRY THAT RESULTS FROM THE       
REMARK 300 DIMERIZATION OF TRIMERS                                              
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: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 17330 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 54050 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -194.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F                      
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     MET A     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     VAL A     4                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     GLN B     3                                                      
REMARK 465     VAL B     4                                                      
REMARK 465     MET C     1                                                      
REMARK 465     SER C     2                                                      
REMARK 465     GLN C     3                                                      
REMARK 465     VAL C     4                                                      
REMARK 465     MET D     1                                                      
REMARK 465     SER D     2                                                      
REMARK 465     GLN D     3                                                      
REMARK 465     VAL D     4                                                      
REMARK 465     MET E     1                                                      
REMARK 465     SER E     2                                                      
REMARK 465     GLN E     3                                                      
REMARK 465     VAL E     4                                                      
REMARK 465     MET F     1                                                      
REMARK 465     SER F     2                                                      
REMARK 465     GLN F     3                                                      
REMARK 465     VAL F     4                                                      
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    ALA A  38       -9.39    -56.33                                   
REMARK 500    PRO A  58       81.48    -69.64                                   
REMARK 500    THR A  61       -3.29   -149.34                                   
REMARK 500    TYR A  89       -5.78    -51.41                                   
REMARK 500    ASN A 116      148.93   -174.07                                   
REMARK 500    ASP A 135      171.95    177.89                                   
REMARK 500    ASP A 165      114.71    -28.84                                   
REMARK 500    SER A 216     -135.78   -142.14                                   
REMARK 500    VAL A 217      -71.68     61.96                                   
REMARK 500    ASN A 239      168.08    166.54                                   
REMARK 500    SER A 245     -158.75   -153.60                                   
REMARK 500    ALA B  38       -9.97    -56.55                                   
REMARK 500    PRO B  58       81.59    -68.98                                   
REMARK 500    THR B  61       -4.05   -151.11                                   
REMARK 500    TYR B  89       -4.00    -52.06                                   
REMARK 500    ASN B 116      148.74   -174.28                                   
REMARK 500    ASP B 135      173.17    177.09                                   
REMARK 500    ASP B 151      -29.28    -39.26                                   
REMARK 500    ASP B 165      116.20    -28.96                                   
REMARK 500    SER B 216     -135.20   -140.31                                   
REMARK 500    VAL B 217      -71.47     61.85                                   
REMARK 500    ASN B 239      167.88    167.61                                   
REMARK 500    SER B 245     -157.86   -152.92                                   
REMARK 500    ALA C  38       -9.48    -56.04                                   
REMARK 500    PRO C  58       80.56    -68.92                                   
REMARK 500    THR C  61       -4.06   -151.26                                   
REMARK 500    TYR C  89       -5.52    -51.66                                   
REMARK 500    ASN C 116      149.01   -173.36                                   
REMARK 500    ASP C 135      172.03    175.85                                   
REMARK 500    ASP C 151      -30.25    -39.42                                   
REMARK 500    ASP C 165      115.25    -27.99                                   
REMARK 500    SER C 216     -135.32   -141.51                                   
REMARK 500    VAL C 217      -72.19     61.68                                   
REMARK 500    ASN C 239      169.80    168.08                                   
REMARK 500    SER C 245     -158.36   -154.07                                   
REMARK 500    ALA D  38       -9.52    -56.23                                   
REMARK 500    PRO D  58       80.83    -69.11                                   
REMARK 500    THR D  61       -4.30   -150.18                                   
REMARK 500    TYR D  89       -4.33    -51.41                                   
REMARK 500    ASN D 116      148.37   -174.22                                   
REMARK 500    ASP D 135      172.87    174.97                                   
REMARK 500    ASP D 151      -29.38    -39.77                                   
REMARK 500    ASP D 165      115.65    -29.28                                   
REMARK 500    SER D 216     -133.92   -140.88                                   
REMARK 500    VAL D 217      -71.72     60.19                                   
REMARK 500    ASN D 239      168.53    166.88                                   
REMARK 500    SER D 245     -158.64   -153.82                                   
REMARK 500    ALA E  38       -9.41    -56.70                                   
REMARK 500    PRO E  58       80.77    -68.82                                   
REMARK 500    THR E  61       -3.23   -151.11                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      71 RAMACHANDRAN OUTLIERS.                        
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 SO4 A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 D 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 F 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN B 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN C 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN D 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN E 404                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XAN F 405                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1YQQ   RELATED DB: PDB                                   
REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE II, SMALL           
REMARK 900 ORTHORHOMBIC FORM WITH GUANINE AND PHOSPHATE                         
REMARK 900 RELATED ID: 1YQU   RELATED DB: PDB                                   
REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE II TRIGONAL FORM    
REMARK 900 WITH GUANINE AND PHOSPHATE                                           
DBREF  1YR3 A    1   277  UNP    P45563   XAPA_ECOLI       1    277             
DBREF  1YR3 B    1   277  UNP    P45563   XAPA_ECOLI       1    277             
DBREF  1YR3 C    1   277  UNP    P45563   XAPA_ECOLI       1    277             
DBREF  1YR3 D    1   277  UNP    P45563   XAPA_ECOLI       1    277             
DBREF  1YR3 E    1   277  UNP    P45563   XAPA_ECOLI       1    277             
DBREF  1YR3 F    1   277  UNP    P45563   XAPA_ECOLI       1    277             
SEQRES   1 A  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 A  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 A  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 A  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 A  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 A  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 A  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 A  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 A  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 A  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 A  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 A  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 A  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 A  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 A  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 A  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 A  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 A  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 A  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 A  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 A  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 A  277  ARG LYS ILE ALA                                              
SEQRES   1 B  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 B  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 B  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 B  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 B  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 B  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 B  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 B  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 B  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 B  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 B  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 B  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 B  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 B  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 B  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 B  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 B  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 B  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 B  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 B  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 B  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 B  277  ARG LYS ILE ALA                                              
SEQRES   1 C  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 C  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 C  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 C  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 C  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 C  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 C  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 C  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 C  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 C  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 C  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 C  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 C  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 C  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 C  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 C  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 C  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 C  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 C  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 C  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 C  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 C  277  ARG LYS ILE ALA                                              
SEQRES   1 D  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 D  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 D  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 D  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 D  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 D  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 D  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 D  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 D  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 D  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 D  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 D  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 D  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 D  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 D  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 D  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 D  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 D  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 D  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 D  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 D  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 D  277  ARG LYS ILE ALA                                              
SEQRES   1 E  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 E  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 E  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 E  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 E  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 E  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 E  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 E  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 E  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 E  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 E  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 E  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 E  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 E  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 E  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 E  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 E  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 E  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 E  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 E  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 E  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 E  277  ARG LYS ILE ALA                                              
SEQRES   1 F  277  MET SER GLN VAL GLN PHE SER HIS ASN PRO LEU PHE CYS          
SEQRES   2 F  277  ILE ASP ILE ILE LYS THR TYR LYS PRO ASP PHE THR PRO          
SEQRES   3 F  277  ARG VAL ALA PHE ILE LEU GLY SER GLY LEU GLY ALA LEU          
SEQRES   4 F  277  ALA ASP GLN ILE GLU ASN ALA VAL ALA ILE SER TYR GLU          
SEQRES   5 F  277  LYS LEU PRO GLY PHE PRO VAL SER THR VAL HIS GLY HIS          
SEQRES   6 F  277  ALA GLY GLU LEU VAL LEU GLY HIS LEU GLN GLY VAL PRO          
SEQRES   7 F  277  VAL VAL CYS MET LYS GLY ARG GLY HIS PHE TYR GLU GLY          
SEQRES   8 F  277  ARG GLY MET THR ILE MET THR ASP ALA ILE ARG THR PHE          
SEQRES   9 F  277  LYS LEU LEU GLY CYS GLU LEU LEU PHE CYS THR ASN ALA          
SEQRES  10 F  277  ALA GLY SER LEU ARG PRO GLU VAL GLY ALA GLY SER LEU          
SEQRES  11 F  277  VAL ALA LEU LYS ASP HIS ILE ASN THR MET PRO GLY THR          
SEQRES  12 F  277  PRO MET VAL GLY LEU ASN ASP ASP ARG PHE GLY GLU ARG          
SEQRES  13 F  277  PHE PHE SER LEU ALA ASN ALA TYR ASP ALA GLU TYR ARG          
SEQRES  14 F  277  ALA LEU LEU GLN LYS VAL ALA LYS GLU GLU GLY PHE PRO          
SEQRES  15 F  277  LEU THR GLU GLY VAL PHE VAL SER TYR PRO GLY PRO ASN          
SEQRES  16 F  277  PHE GLU THR ALA ALA GLU ILE ARG MET MET GLN ILE ILE          
SEQRES  17 F  277  GLY GLY ASP VAL VAL GLY MET SER VAL VAL PRO GLU VAL          
SEQRES  18 F  277  ILE SER ALA ARG HIS CYS ASP LEU LYS VAL VAL ALA VAL          
SEQRES  19 F  277  SER ALA ILE THR ASN MET ALA GLU GLY LEU SER ASP VAL          
SEQRES  20 F  277  LYS LEU SER HIS ALA GLN THR LEU ALA ALA ALA GLU LEU          
SEQRES  21 F  277  SER LYS GLN ASN PHE ILE ASN LEU ILE CYS GLY PHE LEU          
SEQRES  22 F  277  ARG LYS ILE ALA                                              
HET    SO4  A 500       5                                                       
HET    XAN  A 400      11                                                       
HET    SO4  B 501       5                                                       
HET    XAN  B 401      11                                                       
HET    SO4  C 502       5                                                       
HET    XAN  C 402      11                                                       
HET    SO4  D 503       5                                                       
HET    XAN  D 403      11                                                       
HET    SO4  E 504       5                                                       
HET    XAN  E 404      11                                                       
HET    SO4  F 505       5                                                       
HET    XAN  F 405      11                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     XAN XANTHINE                                                         
FORMUL   7  SO4    6(O4 S 2-)                                                   
FORMUL   8  XAN    6(C5 H4 N4 O2)                                               
HELIX    1   1 HIS A    8  LYS A   21  1                                  14    
HELIX    2   2 LEU A   36  ILE A   43  5                                   8    
HELIX    3   3 GLU A   52  LEU A   54  5                                   3    
HELIX    4   4 HIS A   87  GLY A   91  5                                   5    
HELIX    5   5 MET A   97  GLY A  108  1                                  12    
HELIX    6   6 ASP A  165  GLU A  179  1                                  15    
HELIX    7   7 THR A  198  GLY A  209  1                                  12    
HELIX    8   8 VAL A  217  CYS A  227  1                                  11    
HELIX    9   9 SER A  250  ALA A  258  1                                   9    
HELIX   10  10 SER A  261  ALA A  277  1                                  17    
HELIX   11  11 HIS B    8  LYS B   21  1                                  14    
HELIX   12  12 LEU B   36  ILE B   43  5                                   8    
HELIX   13  13 GLU B   52  LEU B   54  5                                   3    
HELIX   14  14 HIS B   87  GLY B   91  5                                   5    
HELIX   15  15 MET B   97  GLY B  108  1                                  12    
HELIX   16  16 ASP B  165  GLU B  179  1                                  15    
HELIX   17  17 THR B  198  GLY B  209  1                                  12    
HELIX   18  18 VAL B  217  CYS B  227  1                                  11    
HELIX   19  19 SER B  250  ALA B  258  1                                   9    
HELIX   20  20 SER B  261  ALA B  277  1                                  17    
HELIX   21  21 HIS C    8  LYS C   21  1                                  14    
HELIX   22  22 LEU C   36  ILE C   43  5                                   8    
HELIX   23  23 GLU C   52  LEU C   54  5                                   3    
HELIX   24  24 HIS C   87  GLY C   91  5                                   5    
HELIX   25  25 MET C   97  GLY C  108  1                                  12    
HELIX   26  26 ASP C  165  GLU C  179  1                                  15    
HELIX   27  27 THR C  198  GLY C  209  1                                  12    
HELIX   28  28 VAL C  217  CYS C  227  1                                  11    
HELIX   29  29 SER C  250  ALA C  258  1                                   9    
HELIX   30  30 SER C  261  ALA C  277  1                                  17    
HELIX   31  31 HIS D    8  LYS D   21  1                                  14    
HELIX   32  32 LEU D   36  ILE D   43  5                                   8    
HELIX   33  33 GLU D   52  LEU D   54  5                                   3    
HELIX   34  34 HIS D   87  GLY D   91  5                                   5    
HELIX   35  35 MET D   97  GLY D  108  1                                  12    
HELIX   36  36 ASP D  165  GLU D  179  1                                  15    
HELIX   37  37 THR D  198  GLY D  209  1                                  12    
HELIX   38  38 VAL D  217  CYS D  227  1                                  11    
HELIX   39  39 SER D  250  ALA D  258  1                                   9    
HELIX   40  40 SER D  261  ALA D  277  1                                  17    
HELIX   41  41 HIS E    8  LYS E   21  1                                  14    
HELIX   42  42 LEU E   36  ILE E   43  5                                   8    
HELIX   43  43 GLU E   52  LEU E   54  5                                   3    
HELIX   44  44 HIS E   87  GLY E   91  5                                   5    
HELIX   45  45 MET E   97  GLY E  108  1                                  12    
HELIX   46  46 ASP E  165  GLU E  179  1                                  15    
HELIX   47  47 THR E  198  GLY E  209  1                                  12    
HELIX   48  48 VAL E  217  CYS E  227  1                                  11    
HELIX   49  49 SER E  250  ALA E  258  1                                   9    
HELIX   50  50 SER E  261  ALA E  277  1                                  17    
HELIX   51  51 HIS F    8  LYS F   21  1                                  14    
HELIX   52  52 LEU F   36  ILE F   43  5                                   8    
HELIX   53  53 GLU F   52  LEU F   54  5                                   3    
HELIX   54  54 HIS F   87  GLY F   91  5                                   5    
HELIX   55  55 MET F   97  GLY F  108  1                                  12    
HELIX   56  56 ASP F  165  GLY F  180  1                                  16    
HELIX   57  57 THR F  198  GLY F  209  1                                  12    
HELIX   58  58 VAL F  217  CYS F  227  1                                  11    
HELIX   59  59 SER F  250  ALA F  258  1                                   9    
HELIX   60  60 SER F  261  ALA F  277  1                                  17    
SHEET    1   A10 GLU A  44  SER A  50  0                                        
SHEET    2   A10 GLU A  68  LEU A  74 -1  O  HIS A  73   N  GLU A  44           
SHEET    3   A10 VAL A  77  LYS A  83 -1  O  CYS A  81   N  VAL A  70           
SHEET    4   A10 VAL A  28  LEU A  32  1  N  PHE A  30   O  MET A  82           
SHEET    5   A10 LEU A 111  SER A 120  1  O  PHE A 113   N  ALA A  29           
SHEET    6   A10 VAL A 231  MET A 240  1  O  VAL A 232   N  CYS A 114           
SHEET    7   A10 LEU A 130  ILE A 137 -1  N  VAL A 131   O  SER A 235           
SHEET    8   A10 LEU A 183  SER A 190  1  O  PHE A 188   N  ASP A 135           
SHEET    9   A10 VAL A 212  GLY A 214  1  O  VAL A 212   N  VAL A 189           
SHEET   10   A10 LEU A 111  SER A 120 -1  N  GLY A 119   O  VAL A 213           
SHEET    1   B10 GLU B  44  SER B  50  0                                        
SHEET    2   B10 GLU B  68  LEU B  74 -1  O  HIS B  73   N  GLU B  44           
SHEET    3   B10 VAL B  77  LYS B  83 -1  O  CYS B  81   N  VAL B  70           
SHEET    4   B10 VAL B  28  LEU B  32  1  N  PHE B  30   O  MET B  82           
SHEET    5   B10 LEU B 111  SER B 120  1  O  PHE B 113   N  ALA B  29           
SHEET    6   B10 VAL B 231  MET B 240  1  O  VAL B 232   N  CYS B 114           
SHEET    7   B10 LEU B 130  ILE B 137 -1  N  VAL B 131   O  SER B 235           
SHEET    8   B10 LEU B 183  SER B 190  1  O  PHE B 188   N  ASP B 135           
SHEET    9   B10 VAL B 212  GLY B 214  1  O  VAL B 212   N  VAL B 189           
SHEET   10   B10 LEU B 111  SER B 120 -1  N  GLY B 119   O  VAL B 213           
SHEET    1   C10 GLU C  44  SER C  50  0                                        
SHEET    2   C10 GLU C  68  LEU C  74 -1  O  HIS C  73   N  GLU C  44           
SHEET    3   C10 VAL C  77  LYS C  83 -1  O  CYS C  81   N  VAL C  70           
SHEET    4   C10 VAL C  28  LEU C  32  1  N  PHE C  30   O  MET C  82           
SHEET    5   C10 LEU C 111  SER C 120  1  O  PHE C 113   N  ALA C  29           
SHEET    6   C10 VAL C 231  MET C 240  1  O  VAL C 232   N  CYS C 114           
SHEET    7   C10 LEU C 130  ILE C 137 -1  N  VAL C 131   O  SER C 235           
SHEET    8   C10 THR C 184  SER C 190  1  O  PHE C 188   N  ASP C 135           
SHEET    9   C10 VAL C 212  GLY C 214  1  O  VAL C 212   N  VAL C 189           
SHEET   10   C10 LEU C 111  SER C 120 -1  N  GLY C 119   O  VAL C 213           
SHEET    1   D10 GLU D  44  SER D  50  0                                        
SHEET    2   D10 GLU D  68  LEU D  74 -1  O  HIS D  73   N  GLU D  44           
SHEET    3   D10 VAL D  77  LYS D  83 -1  O  CYS D  81   N  VAL D  70           
SHEET    4   D10 VAL D  28  LEU D  32  1  N  PHE D  30   O  MET D  82           
SHEET    5   D10 LEU D 111  SER D 120  1  O  PHE D 113   N  ALA D  29           
SHEET    6   D10 VAL D 231  MET D 240  1  O  VAL D 232   N  CYS D 114           
SHEET    7   D10 LEU D 130  ILE D 137 -1  N  VAL D 131   O  SER D 235           
SHEET    8   D10 LEU D 183  SER D 190  1  O  PHE D 188   N  ASP D 135           
SHEET    9   D10 VAL D 212  GLY D 214  1  O  VAL D 212   N  VAL D 189           
SHEET   10   D10 LEU D 111  SER D 120 -1  N  GLY D 119   O  VAL D 213           
SHEET    1   E10 GLU E  44  SER E  50  0                                        
SHEET    2   E10 GLU E  68  LEU E  74 -1  O  HIS E  73   N  GLU E  44           
SHEET    3   E10 VAL E  77  LYS E  83 -1  O  CYS E  81   N  VAL E  70           
SHEET    4   E10 VAL E  28  LEU E  32  1  N  PHE E  30   O  MET E  82           
SHEET    5   E10 LEU E 111  SER E 120  1  O  PHE E 113   N  ALA E  29           
SHEET    6   E10 VAL E 231  MET E 240  1  O  VAL E 232   N  CYS E 114           
SHEET    7   E10 LEU E 130  ILE E 137 -1  N  VAL E 131   O  SER E 235           
SHEET    8   E10 LEU E 183  SER E 190  1  O  PHE E 188   N  ASP E 135           
SHEET    9   E10 VAL E 212  GLY E 214  1  O  VAL E 212   N  VAL E 189           
SHEET   10   E10 LEU E 111  SER E 120 -1  N  GLY E 119   O  VAL E 213           
SHEET    1   F10 GLU F  44  SER F  50  0                                        
SHEET    2   F10 GLU F  68  LEU F  74 -1  O  HIS F  73   N  GLU F  44           
SHEET    3   F10 VAL F  77  LYS F  83 -1  O  CYS F  81   N  VAL F  70           
SHEET    4   F10 VAL F  28  LEU F  32  1  N  PHE F  30   O  MET F  82           
SHEET    5   F10 LEU F 111  SER F 120  1  O  PHE F 113   N  ALA F  29           
SHEET    6   F10 VAL F 231  MET F 240  1  O  VAL F 232   N  CYS F 114           
SHEET    7   F10 LEU F 130  ILE F 137 -1  N  VAL F 131   O  SER F 235           
SHEET    8   F10 LEU F 183  SER F 190  1  O  PHE F 188   N  ASP F 135           
SHEET    9   F10 VAL F 212  GLY F 214  1  O  VAL F 212   N  VAL F 189           
SHEET   10   F10 LEU F 111  SER F 120 -1  N  GLY F 119   O  VAL F 213           
CISPEP   1 GLY A  193    PRO A  194          0         0.08                     
CISPEP   2 GLY B  193    PRO B  194          0         0.06                     
CISPEP   3 GLY C  193    PRO C  194          0         0.10                     
CISPEP   4 GLY D  193    PRO D  194          0        -0.07                     
CISPEP   5 GLY E  193    PRO E  194          0         0.22                     
CISPEP   6 GLY F  193    PRO F  194          0        -0.03                     
SITE     1 AC1  8 GLY A  33  SER A  34  HIS A  65  ARG A  85                    
SITE     2 AC1  8 HIS A  87  ASN A 116  ALA A 117  SER A 216                    
SITE     1 AC2  8 GLY B  33  SER B  34  HIS B  65  ARG B  85                    
SITE     2 AC2  8 HIS B  87  ASN B 116  ALA B 117  SER B 216                    
SITE     1 AC3  8 GLY C  33  SER C  34  HIS C  65  ARG C  85                    
SITE     2 AC3  8 HIS C  87  ASN C 116  ALA C 117  SER C 216                    
SITE     1 AC4  8 GLY D  33  SER D  34  HIS D  65  ARG D  85                    
SITE     2 AC4  8 HIS D  87  ASN D 116  ALA D 117  SER D 216                    
SITE     1 AC5  8 GLY E  33  SER E  34  HIS E  65  ARG E  85                    
SITE     2 AC5  8 HIS E  87  ASN E 116  ALA E 117  SER E 216                    
SITE     1 AC6  8 GLY F  33  SER F  34  HIS F  65  ARG F  85                    
SITE     2 AC6  8 HIS F  87  ASN F 116  ALA F 117  SER F 216                    
SITE     1 AC7  8 ALA A 117  ALA A 118  GLU A 197  GLY A 214                    
SITE     2 AC7  8 MET A 215  THR A 238  ASN A 239  LEU A 249                    
SITE     1 AC8  8 ALA B 117  ALA B 118  GLU B 197  GLY B 214                    
SITE     2 AC8  8 MET B 215  THR B 238  ASN B 239  LEU B 249                    
SITE     1 AC9  8 ALA C 117  ALA C 118  GLU C 197  GLY C 214                    
SITE     2 AC9  8 MET C 215  THR C 238  ASN C 239  LEU C 249                    
SITE     1 BC1  8 ALA D 117  ALA D 118  GLU D 197  GLY D 214                    
SITE     2 BC1  8 MET D 215  THR D 238  ASN D 239  LEU D 249                    
SITE     1 BC2  8 ALA E 117  ALA E 118  GLU E 197  GLY E 214                    
SITE     2 BC2  8 MET E 215  THR E 238  ASN E 239  LEU E 249                    
SITE     1 BC3  8 ALA F 117  ALA F 118  GLU F 197  GLY F 214                    
SITE     2 BC3  8 MET F 215  THR F 238  ASN F 239  LEU F 249                    
CRYST1  150.442  155.232   93.452  90.00  90.00  90.00 P 21 21 2    24          
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      0.006647  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006442  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010701        0.00000