HEADER    TRANSFERASE                             20-OCT-00   1G2O              
TITLE     CRYSTAL STRUCTURE OF PURINE NUCLEOSIDE PHOSPHORYLASE FROM             
TITLE    2 MYCOBACTERIUM TUBERCULOSIS IN COMPLEX WITH A TRANSITION-STATE        
TITLE    3 INHIBITOR                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE;                           
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 EC: 2.4.2.1;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET-23A(+)                                
KEYWDS    TRIMER, TRANSITION-STATE COMPLEX, TRANSFERASE                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.SHI,L.A.BASSO,P.C.TYLER,R.H.FURNEAUX,J.S.BLANCHARD,S.C.ALMO,        
AUTHOR   2 V.L.SCHRAMM                                                          
REVDAT   4   20-SEP-23 1G2O    1       REMARK                                   
REVDAT   3   05-OCT-22 1G2O    1       REMARK HETSYN ATOM                       
REVDAT   2   24-FEB-09 1G2O    1       VERSN                                    
REVDAT   1   01-AUG-01 1G2O    0                                                
JRNL        AUTH   W.SHI,L.A.BASSO,D.S.SANTOS,P.C.TYLER,R.H.FURNEAUX,           
JRNL        AUTH 2 J.S.BLANCHARD,S.C.ALMO,V.L.SCHRAMM                           
JRNL        TITL   STRUCTURES OF PURINE NUCLEOSIDE PHOSPHORYLASE FROM           
JRNL        TITL 2 MYCOBACTERIUM TUBERCULOSIS IN COMPLEXES WITH IMMUCILLIN-H    
JRNL        TITL 3 AND ITS PIECES.                                              
JRNL        REF    BIOCHEMISTRY                  V.  40  8204 2001              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11444966                                                     
JRNL        DOI    10.1021/BI010585P                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.9                                              
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) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 75787                          
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) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 7608                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.002                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.75                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.86                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 10575                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1930                       
REMARK   3   BIN FREE R VALUE                    : 0.2260                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.00                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 1095                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.007                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5688                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 72                                      
REMARK   3   SOLVENT ATOMS            : 485                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 10.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.62000                                             
REMARK   3    B22 (A**2) : -1.62000                                             
REMARK   3    B33 (A**2) : 3.25000                                              
REMARK   3    B12 (A**2) : -0.55000                                             
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) : 0.19                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.06                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.21                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.10                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.930                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.600 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 0.990 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 1.050 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 1.610 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 47.84                                                
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 1G2O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-OCT-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000012158.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-MAY-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X9B                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 78938                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 35.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.81                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.50                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.21700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1C3X                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, MAGNESIUM CHLORIDE, TRIS, PH   
REMARK 280  8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.65200            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       42.82600            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       42.82600            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       85.65200            
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: THE BIOLOGICAL ASSEMBLY IS A TRIMER IN THE ASYMMETRIC UNIT.  
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 7980 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 25190 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -73.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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     ALA A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     ARG A     5                                                      
REMARK 465     PRO A     6                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 465     PRO B     4                                                      
REMARK 465     ARG B     5                                                      
REMARK 465     PRO B     6                                                      
REMARK 465     MET C     1                                                      
REMARK 465     ALA C     2                                                      
REMARK 465     ASP C     3                                                      
REMARK 465     PRO C     4                                                      
REMARK 465     ARG C     5                                                      
REMARK 465     PRO C     6                                                      
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    ASP A 158       54.90   -118.31                                   
REMARK 500    SER A 161      115.88    -35.44                                   
REMARK 500    SER A 208     -156.53   -158.01                                   
REMARK 500    THR A 209      -47.36     63.23                                   
REMARK 500    SER B 161      113.25    -32.60                                   
REMARK 500    SER B 208     -156.63   -156.12                                   
REMARK 500    THR B 209      -48.33     64.13                                   
REMARK 500    SER C 161      115.98    -37.34                                   
REMARK 500    SER C 208     -154.69   -155.35                                   
REMARK 500    THR C 209      -47.33     61.92                                   
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 PO4 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMH A 351                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMH B 352                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMH C 353                 
DBREF  1G2O A    1   268  UNP    P0A538   PUNA_MYCTU       1    268             
DBREF  1G2O B    1   268  UNP    P0A538   PUNA_MYCTU       1    268             
DBREF  1G2O C    1   268  UNP    P0A538   PUNA_MYCTU       1    268             
SEQRES   1 A  268  MET ALA ASP PRO ARG PRO ASP PRO ASP GLU LEU ALA ARG          
SEQRES   2 A  268  ARG ALA ALA GLN VAL ILE ALA ASP ARG THR GLY ILE GLY          
SEQRES   3 A  268  GLU HIS ASP VAL ALA VAL VAL LEU GLY SER GLY TRP LEU          
SEQRES   4 A  268  PRO ALA VAL ALA ALA LEU GLY SER PRO THR THR VAL LEU          
SEQRES   5 A  268  PRO GLN ALA GLU LEU PRO GLY PHE VAL PRO PRO THR ALA          
SEQRES   6 A  268  ALA GLY HIS ALA GLY GLU LEU LEU SER VAL PRO ILE GLY          
SEQRES   7 A  268  ALA HIS ARG VAL LEU VAL LEU ALA GLY ARG ILE HIS ALA          
SEQRES   8 A  268  TYR GLU GLY HIS ASP LEU ARG TYR VAL VAL HIS PRO VAL          
SEQRES   9 A  268  ARG ALA ALA ARG ALA ALA GLY ALA GLN ILE MET VAL LEU          
SEQRES  10 A  268  THR ASN ALA ALA GLY GLY LEU ARG ALA ASP LEU GLN VAL          
SEQRES  11 A  268  GLY GLN PRO VAL LEU ILE SER ASP HIS LEU ASN LEU THR          
SEQRES  12 A  268  ALA ARG SER PRO LEU VAL GLY GLY GLU PHE VAL ASP LEU          
SEQRES  13 A  268  THR ASP ALA TYR SER PRO ARG LEU ARG GLU LEU ALA ARG          
SEQRES  14 A  268  GLN SER ASP PRO GLN LEU ALA GLU GLY VAL TYR ALA GLY          
SEQRES  15 A  268  LEU PRO GLY PRO HIS TYR GLU THR PRO ALA GLU ILE ARG          
SEQRES  16 A  268  MET LEU GLN THR LEU GLY ALA ASP LEU VAL GLY MET SER          
SEQRES  17 A  268  THR VAL HIS GLU THR ILE ALA ALA ARG ALA ALA GLY ALA          
SEQRES  18 A  268  GLU VAL LEU GLY VAL SER LEU VAL THR ASN LEU ALA ALA          
SEQRES  19 A  268  GLY ILE THR GLY GLU PRO LEU SER HIS ALA GLU VAL LEU          
SEQRES  20 A  268  ALA ALA GLY ALA ALA SER ALA THR ARG MET GLY ALA LEU          
SEQRES  21 A  268  LEU ALA ASP VAL ILE ALA ARG PHE                              
SEQRES   1 B  268  MET ALA ASP PRO ARG PRO ASP PRO ASP GLU LEU ALA ARG          
SEQRES   2 B  268  ARG ALA ALA GLN VAL ILE ALA ASP ARG THR GLY ILE GLY          
SEQRES   3 B  268  GLU HIS ASP VAL ALA VAL VAL LEU GLY SER GLY TRP LEU          
SEQRES   4 B  268  PRO ALA VAL ALA ALA LEU GLY SER PRO THR THR VAL LEU          
SEQRES   5 B  268  PRO GLN ALA GLU LEU PRO GLY PHE VAL PRO PRO THR ALA          
SEQRES   6 B  268  ALA GLY HIS ALA GLY GLU LEU LEU SER VAL PRO ILE GLY          
SEQRES   7 B  268  ALA HIS ARG VAL LEU VAL LEU ALA GLY ARG ILE HIS ALA          
SEQRES   8 B  268  TYR GLU GLY HIS ASP LEU ARG TYR VAL VAL HIS PRO VAL          
SEQRES   9 B  268  ARG ALA ALA ARG ALA ALA GLY ALA GLN ILE MET VAL LEU          
SEQRES  10 B  268  THR ASN ALA ALA GLY GLY LEU ARG ALA ASP LEU GLN VAL          
SEQRES  11 B  268  GLY GLN PRO VAL LEU ILE SER ASP HIS LEU ASN LEU THR          
SEQRES  12 B  268  ALA ARG SER PRO LEU VAL GLY GLY GLU PHE VAL ASP LEU          
SEQRES  13 B  268  THR ASP ALA TYR SER PRO ARG LEU ARG GLU LEU ALA ARG          
SEQRES  14 B  268  GLN SER ASP PRO GLN LEU ALA GLU GLY VAL TYR ALA GLY          
SEQRES  15 B  268  LEU PRO GLY PRO HIS TYR GLU THR PRO ALA GLU ILE ARG          
SEQRES  16 B  268  MET LEU GLN THR LEU GLY ALA ASP LEU VAL GLY MET SER          
SEQRES  17 B  268  THR VAL HIS GLU THR ILE ALA ALA ARG ALA ALA GLY ALA          
SEQRES  18 B  268  GLU VAL LEU GLY VAL SER LEU VAL THR ASN LEU ALA ALA          
SEQRES  19 B  268  GLY ILE THR GLY GLU PRO LEU SER HIS ALA GLU VAL LEU          
SEQRES  20 B  268  ALA ALA GLY ALA ALA SER ALA THR ARG MET GLY ALA LEU          
SEQRES  21 B  268  LEU ALA ASP VAL ILE ALA ARG PHE                              
SEQRES   1 C  268  MET ALA ASP PRO ARG PRO ASP PRO ASP GLU LEU ALA ARG          
SEQRES   2 C  268  ARG ALA ALA GLN VAL ILE ALA ASP ARG THR GLY ILE GLY          
SEQRES   3 C  268  GLU HIS ASP VAL ALA VAL VAL LEU GLY SER GLY TRP LEU          
SEQRES   4 C  268  PRO ALA VAL ALA ALA LEU GLY SER PRO THR THR VAL LEU          
SEQRES   5 C  268  PRO GLN ALA GLU LEU PRO GLY PHE VAL PRO PRO THR ALA          
SEQRES   6 C  268  ALA GLY HIS ALA GLY GLU LEU LEU SER VAL PRO ILE GLY          
SEQRES   7 C  268  ALA HIS ARG VAL LEU VAL LEU ALA GLY ARG ILE HIS ALA          
SEQRES   8 C  268  TYR GLU GLY HIS ASP LEU ARG TYR VAL VAL HIS PRO VAL          
SEQRES   9 C  268  ARG ALA ALA ARG ALA ALA GLY ALA GLN ILE MET VAL LEU          
SEQRES  10 C  268  THR ASN ALA ALA GLY GLY LEU ARG ALA ASP LEU GLN VAL          
SEQRES  11 C  268  GLY GLN PRO VAL LEU ILE SER ASP HIS LEU ASN LEU THR          
SEQRES  12 C  268  ALA ARG SER PRO LEU VAL GLY GLY GLU PHE VAL ASP LEU          
SEQRES  13 C  268  THR ASP ALA TYR SER PRO ARG LEU ARG GLU LEU ALA ARG          
SEQRES  14 C  268  GLN SER ASP PRO GLN LEU ALA GLU GLY VAL TYR ALA GLY          
SEQRES  15 C  268  LEU PRO GLY PRO HIS TYR GLU THR PRO ALA GLU ILE ARG          
SEQRES  16 C  268  MET LEU GLN THR LEU GLY ALA ASP LEU VAL GLY MET SER          
SEQRES  17 C  268  THR VAL HIS GLU THR ILE ALA ALA ARG ALA ALA GLY ALA          
SEQRES  18 C  268  GLU VAL LEU GLY VAL SER LEU VAL THR ASN LEU ALA ALA          
SEQRES  19 C  268  GLY ILE THR GLY GLU PRO LEU SER HIS ALA GLU VAL LEU          
SEQRES  20 C  268  ALA ALA GLY ALA ALA SER ALA THR ARG MET GLY ALA LEU          
SEQRES  21 C  268  LEU ALA ASP VAL ILE ALA ARG PHE                              
HET    PO4  A 301       5                                                       
HET    IMH  A 351      19                                                       
HET    PO4  B 302       5                                                       
HET    IMH  B 352      19                                                       
HET    PO4  C 303       5                                                       
HET    IMH  C 353      19                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     IMH 1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D-             
HETNAM   2 IMH  RIBITOL                                                         
HETSYN     IMH FORODESINE; IMMUCILLIN H                                         
FORMUL   4  PO4    3(O4 P 3-)                                                   
FORMUL   5  IMH    3(C11 H14 N4 O4)                                             
FORMUL  10  HOH   *485(H2 O)                                                    
HELIX    1   1 ASP A    7  GLY A   24  1                                  18    
HELIX    2   2 TRP A   38  VAL A   42  5                                   5    
HELIX    3   3 VAL A   42  GLY A   46  5                                   5    
HELIX    4   4 ALA A   55  LEU A   57  5                                   3    
HELIX    5   5 HIS A   90  GLY A   94  5                                   5    
HELIX    6   6 ASP A   96  VAL A  101  1                                   6    
HELIX    7   7 VAL A  101  ALA A  110  1                                  10    
HELIX    8   8 SER A  161  ASP A  172  1                                  12    
HELIX    9   9 THR A  190  GLY A  201  1                                  12    
HELIX   10  10 THR A  209  ALA A  219  1                                  11    
HELIX   11  11 SER A  242  ALA A  252  1                                  11    
HELIX   12  12 SER A  253  PHE A  268  1                                  16    
HELIX   13  13 ASP B    7  GLY B   24  1                                  18    
HELIX   14  14 TRP B   38  GLY B   46  5                                   9    
HELIX   15  15 ALA B   55  LEU B   57  5                                   3    
HELIX   16  16 HIS B   90  GLY B   94  5                                   5    
HELIX   17  17 ASP B   96  VAL B  101  1                                   6    
HELIX   18  18 VAL B  101  ALA B  110  1                                  10    
HELIX   19  19 SER B  161  ASP B  172  1                                  12    
HELIX   20  20 THR B  190  LEU B  200  1                                  11    
HELIX   21  21 THR B  209  ALA B  219  1                                  11    
HELIX   22  22 SER B  242  PHE B  268  1                                  27    
HELIX   23  23 ASP C    7  GLY C   24  1                                  18    
HELIX   24  24 TRP C   38  PRO C   40  5                                   3    
HELIX   25  25 ALA C   41  GLY C   46  1                                   6    
HELIX   26  26 ALA C   55  LEU C   57  5                                   3    
HELIX   27  27 HIS C   90  GLY C   94  5                                   5    
HELIX   28  28 ASP C   96  VAL C  101  1                                   6    
HELIX   29  29 VAL C  101  ALA C  110  1                                  10    
HELIX   30  30 SER C  161  ASP C  172  1                                  12    
HELIX   31  31 THR C  190  GLY C  201  1                                  12    
HELIX   32  32 THR C  209  ALA C  219  1                                  11    
HELIX   33  33 SER C  242  ARG C  267  1                                  26    
SHEET    1   A10 THR A  50  PRO A  53  0                                        
SHEET    2   A10 GLU A  71  ILE A  77 -1  N  LEU A  72   O  LEU A  52           
SHEET    3   A10 HIS A  80  ALA A  86 -1  O  HIS A  80   N  ILE A  77           
SHEET    4   A10 VAL A  30  LEU A  34  1  O  VAL A  30   N  LEU A  83           
SHEET    5   A10 ILE A 114  GLY A 123  1  O  ILE A 114   N  ALA A  31           
SHEET    6   A10 GLU A 222  LEU A 232  1  O  GLU A 222   N  MET A 115           
SHEET    7   A10 PRO A 133  ASN A 141 -1  N  VAL A 134   O  SER A 227           
SHEET    8   A10 ALA A 176  GLY A 182  1  O  ALA A 176   N  LEU A 135           
SHEET    9   A10 LEU A 204  GLY A 206  1  O  LEU A 204   N  ALA A 181           
SHEET   10   A10 ILE A 114  GLY A 123 -1  N  GLY A 122   O  VAL A 205           
SHEET    1   B10 THR B  50  PRO B  53  0                                        
SHEET    2   B10 GLU B  71  ILE B  77 -1  N  LEU B  72   O  LEU B  52           
SHEET    3   B10 HIS B  80  ALA B  86 -1  N  HIS B  80   O  ILE B  77           
SHEET    4   B10 VAL B  30  LEU B  34  1  O  VAL B  30   N  LEU B  83           
SHEET    5   B10 ILE B 114  GLY B 123  1  O  ILE B 114   N  ALA B  31           
SHEET    6   B10 GLU B 222  LEU B 232  1  O  GLU B 222   N  MET B 115           
SHEET    7   B10 PRO B 133  ASN B 141 -1  N  VAL B 134   O  SER B 227           
SHEET    8   B10 ALA B 176  GLY B 182  1  O  ALA B 176   N  LEU B 135           
SHEET    9   B10 LEU B 204  GLY B 206  1  O  LEU B 204   N  ALA B 181           
SHEET   10   B10 ILE B 114  GLY B 123 -1  N  GLY B 122   O  VAL B 205           
SHEET    1   C10 THR C  50  PRO C  53  0                                        
SHEET    2   C10 GLU C  71  ILE C  77 -1  N  LEU C  72   O  LEU C  52           
SHEET    3   C10 HIS C  80  ALA C  86 -1  O  HIS C  80   N  ILE C  77           
SHEET    4   C10 VAL C  30  LEU C  34  1  O  VAL C  30   N  LEU C  83           
SHEET    5   C10 ILE C 114  GLY C 123  1  O  ILE C 114   N  ALA C  31           
SHEET    6   C10 GLU C 222  LEU C 232  1  O  GLU C 222   N  MET C 115           
SHEET    7   C10 PRO C 133  ASN C 141 -1  N  VAL C 134   O  SER C 227           
SHEET    8   C10 ALA C 176  GLY C 182  1  O  ALA C 176   N  LEU C 135           
SHEET    9   C10 LEU C 204  GLY C 206  1  O  LEU C 204   N  ALA C 181           
SHEET   10   C10 ILE C 114  GLY C 123 -1  N  GLY C 122   O  VAL C 205           
CISPEP   1 GLY A  185    PRO A  186          0         0.27                     
CISPEP   2 GLY B  185    PRO B  186          0         0.12                     
CISPEP   3 GLY C  185    PRO C  186          0         0.24                     
SITE     1 AC1 10 GLY A  35  SER A  36  HIS A  68  ARG A  88                    
SITE     2 AC1 10 HIS A  90  ASN A 119  ALA A 120  SER A 208                    
SITE     3 AC1 10 IMH A 351  HOH A 461                                          
SITE     1 AC2 10 GLY B  35  SER B  36  HIS B  68  ARG B  88                    
SITE     2 AC2 10 HIS B  90  ASN B 119  ALA B 120  SER B 208                    
SITE     3 AC2 10 IMH B 352  HOH B 432                                          
SITE     1 AC3 10 GLY C  35  SER C  36  HIS C  68  ARG C  88                    
SITE     2 AC3 10 HIS C  90  ASN C 119  ALA C 120  SER C 208                    
SITE     3 AC3 10 IMH C 353  HOH C 510                                          
SITE     1 AC4 16 HIS A  90  TYR A  92  ALA A 120  ALA A 121                    
SITE     2 AC4 16 GLY A 122  TYR A 188  GLU A 189  VAL A 205                    
SITE     3 AC4 16 GLY A 206  MET A 207  THR A 230  ASN A 231                    
SITE     4 AC4 16 HIS A 243  PO4 A 301  HOH A 501  PHE B 153                    
SITE     1 AC5 14 HIS B  90  TYR B  92  ALA B 120  GLY B 122                    
SITE     2 AC5 14 TYR B 188  GLU B 189  GLY B 206  MET B 207                    
SITE     3 AC5 14 ASN B 231  LEU B 241  HIS B 243  PO4 B 302                    
SITE     4 AC5 14 HOH B 521  PHE C 153                                          
SITE     1 AC6 14 PHE A 153  HIS C  90  TYR C  92  ALA C 120                    
SITE     2 AC6 14 GLY C 122  TYR C 188  GLU C 189  GLY C 206                    
SITE     3 AC6 14 MET C 207  ASN C 231  LEU C 241  HIS C 243                    
SITE     4 AC6 14 PO4 C 303  HOH C 420                                          
CRYST1  102.625  102.625  128.478  90.00  90.00 120.00 P 32 2 1     18          
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      0.009744  0.005626  0.000000        0.00000                         
SCALE2      0.000000  0.011252  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007783        0.00000