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Database: PDB
Entry: 1AJ0
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Original site: 1AJ0 
HEADER    SYNTHASE                                14-MAY-97   1AJ0              
TITLE     CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E. COLI DIHYDROPTEROATE     
TITLE    2 SYNTHASE                                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROPTEROATE SYNTHASE;                                  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: DHPS;                                                       
COMPND   5 EC: 2.5.1.15                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562                                                  
KEYWDS    ANTIBIOTIC, RESISTANCE, TRANSFERASE, FOLATE, BIOSYNTHESIS, SYNTHASE   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.ACHARI,D.O.SOMERS,J.N.CHAMPNESS,P.K.BRYANT,J.ROSEMOND,D.K.STAMMERS  
REVDAT   4   07-FEB-24 1AJ0    1       REMARK                                   
REVDAT   3   13-JUL-11 1AJ0    1       VERSN                                    
REVDAT   2   24-FEB-09 1AJ0    1       VERSN                                    
REVDAT   1   20-MAY-98 1AJ0    0                                                
JRNL        AUTH   A.ACHARI,D.O.SOMERS,J.N.CHAMPNESS,P.K.BRYANT,J.ROSEMOND,     
JRNL        AUTH 2 D.K.STAMMERS                                                 
JRNL        TITL   CRYSTAL STRUCTURE OF THE ANTI-BACTERIAL SULFONAMIDE DRUG     
JRNL        TITL 2 TARGET DIHYDROPTEROATE SYNTHASE.                             
JRNL        REF    NAT.STRUCT.BIOL.              V.   4   490 1997              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   9187658                                                      
JRNL        DOI    10.1038/NSB0697-490                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROFFT                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON,FINZEL                           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 80.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 18585                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.206                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 23206                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2147                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 105                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
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) : 10.0                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.010 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.032 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.038 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.101 ; 0.120               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.179 ; 0.500               
REMARK   3    MULTIPLE TORSION                (A) : 0.223 ; 0.500               
REMARK   3    H-BOND (X...Y)                  (A) : 0.230 ; 0.500               
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 1.800 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 17.900; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 24.300; 20.000              
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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1AJ0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170875.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUL-93                             
REMARK 200  TEMPERATURE           (KELVIN) : 289                                
REMARK 200  PH                             : 8.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
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 RUH2R                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XENGEN                             
REMARK 200  DATA SCALING SOFTWARE          : XENGEN                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23202                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: PROFFT                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 42%        
REMARK 280  AMMONIUM SULFATE, 50MM TRIS-HCL, PH 8.4.                            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y,-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       30.33500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       46.45500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.33500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       46.45500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   448     O    HOH A   448     4555     1.80            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 163   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    VAL A 216   N   -  CA  -  CB  ANGL. DEV. = -15.6 DEGREES          
REMARK 500    ARG A 235   NE  -  CZ  -  NH1 ANGL. DEV. =   4.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    PHE A  28       48.43    -92.51                                   
REMARK 500    SER A  29     -169.82    -46.83                                   
REMARK 500    ASP A  30       10.69     59.80                                   
REMARK 500    THR A  33       98.67     52.40                                   
REMARK 500    HIS A  34     -148.20    -91.12                                   
REMARK 500    ASP A 156      111.05   -161.11                                   
REMARK 500    ARG A 220       18.60     54.73                                   
REMARK 500    ARG A 280      145.94    174.87                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 163         0.11    SIDE CHAIN                              
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 284                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH2 A 559                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAN A 561                 
DBREF  1AJ0 A    1   282  UNP    P0AC13   DHPS_ECOLI       1    282             
SEQRES   1 A  282  MET LYS LEU PHE ALA GLN GLY THR SER LEU ASP LEU SER          
SEQRES   2 A  282  HIS PRO HIS VAL MET GLY ILE LEU ASN VAL THR PRO ASP          
SEQRES   3 A  282  SER PHE SER ASP GLY GLY THR HIS ASN SER LEU ILE ASP          
SEQRES   4 A  282  ALA VAL LYS HIS ALA ASN LEU MET ILE ASN ALA GLY ALA          
SEQRES   5 A  282  THR ILE ILE ASP VAL GLY GLY GLU SER THR ARG PRO GLY          
SEQRES   6 A  282  ALA ALA GLU VAL SER VAL GLU GLU GLU LEU GLN ARG VAL          
SEQRES   7 A  282  ILE PRO VAL VAL GLU ALA ILE ALA GLN ARG PHE GLU VAL          
SEQRES   8 A  282  TRP ILE SER VAL ASP THR SER LYS PRO GLU VAL ILE ARG          
SEQRES   9 A  282  GLU SER ALA LYS VAL GLY ALA HIS ILE ILE ASN ASP ILE          
SEQRES  10 A  282  ARG SER LEU SER GLU PRO GLY ALA LEU GLU ALA ALA ALA          
SEQRES  11 A  282  GLU THR GLY LEU PRO VAL CYS LEU MET HIS MET GLN GLY          
SEQRES  12 A  282  ASN PRO LYS THR MET GLN GLU ALA PRO LYS TYR ASP ASP          
SEQRES  13 A  282  VAL PHE ALA GLU VAL ASN ARG TYR PHE ILE GLU GLN ILE          
SEQRES  14 A  282  ALA ARG CYS GLU GLN ALA GLY ILE ALA LYS GLU LYS LEU          
SEQRES  15 A  282  LEU LEU ASP PRO GLY PHE GLY PHE GLY LYS ASN LEU SER          
SEQRES  16 A  282  HIS ASN TYR SER LEU LEU ALA ARG LEU ALA GLU PHE HIS          
SEQRES  17 A  282  HIS PHE ASN LEU PRO LEU LEU VAL GLY MET SER ARG LYS          
SEQRES  18 A  282  SER MET ILE GLY GLN LEU LEU ASN VAL GLY PRO SER GLU          
SEQRES  19 A  282  ARG LEU SER GLY SER LEU ALA CYS ALA VAL ILE ALA ALA          
SEQRES  20 A  282  MET GLN GLY ALA HIS ILE ILE ARG VAL HIS ASP VAL LYS          
SEQRES  21 A  282  GLU THR VAL GLU ALA MET ARG VAL VAL GLU ALA THR LEU          
SEQRES  22 A  282  SER ALA LYS GLU ASN LYS ARG TYR GLU                          
HET    SO4  A 284       5                                                       
HET    PH2  A 559      14                                                       
HET    SAN  A 561      11                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     PH2 2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDRO-3H-PTERIDIN-4-ONE            
HETNAM     SAN SULFANILAMIDE                                                    
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  PH2    C7 H9 N5 O2                                                  
FORMUL   4  SAN    C6 H8 N2 O2 S                                                
FORMUL   5  HOH   *105(H2 O)                                                    
HELIX    1   1 ASN A   35  ALA A   50  5                                  16    
HELIX    2   2 VAL A   71  ARG A   88  1                                  18    
HELIX    3   3 PRO A  100  LYS A  108  1                                   9    
HELIX    4   4 ALA A  125  THR A  132  1                                   8    
HELIX    5   5 VAL A  157  GLN A  174  1                                  18    
HELIX    6   6 LYS A  179  LYS A  181  5                                   3    
HELIX    7   7 LEU A  194  ALA A  202  1                                   9    
HELIX    8   8 LEU A  204  PHE A  210  5                                   7    
HELIX    9   9 SER A  222  LEU A  228  1                                   7    
HELIX   10  10 PRO A  232  GLU A  234  5                                   3    
HELIX   11  11 LEU A  236  GLN A  249  1                                  14    
HELIX   12  12 VAL A  259  ALA A  275  1                                  17    
SHEET    1   A 2 LYS A   2  ALA A   5  0                                        
SHEET    2   A 2 THR A   8  ASP A  11 -1  N  LEU A  10   O  LEU A   3           
SHEET    1   B 7 ILE A 253  VAL A 256  0                                        
SHEET    2   B 7 HIS A  16  ASN A  22  1  N  HIS A  16   O  ILE A 254           
SHEET    3   B 7 ILE A  54  GLY A  58  1  N  ILE A  54   O  GLY A  19           
SHEET    4   B 7 TRP A  92  ASP A  96  1  N  TRP A  92   O  ILE A  55           
SHEET    5   B 7 ILE A 113  ASP A 116  1  N  ILE A 113   O  VAL A  95           
SHEET    6   B 7 PRO A 135  MET A 139  1  N  PRO A 135   O  ILE A 114           
SHEET    7   B 7 LEU A 182  ASP A 185  1  N  LEU A 183   O  VAL A 136           
SITE     1 AC1  7 ASN A  22  ARG A  63  ARG A 255  HIS A 257                    
SITE     2 AC1  7 HOH A 312  PH2 A 559  SAN A 561                               
SITE     1 AC2 13 THR A  62  ASP A  96  ASN A 115  ILE A 117                    
SITE     2 AC2 13 ASP A 185  PHE A 190  LEU A 215  GLY A 217                    
SITE     3 AC2 13 LYS A 221  ARG A 255  SO4 A 284  HOH A 419                    
SITE     4 AC2 13 SAN A 561                                                     
SITE     1 AC3  8 THR A  62  ARG A  63  SER A 219  ARG A 220                    
SITE     2 AC3  8 LYS A 221  HIS A 257  SO4 A 284  PH2 A 559                    
CRYST1   92.910   60.670   59.820  90.00 114.67  90.00 C 1 21 1      4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.010763  0.000000  0.004944        0.00000                         
SCALE2      0.000000  0.016483  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.018396        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system