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Database: PDB
Entry: 1DF7
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Original site: 1DF7 
HEADER    OXIDOREDUCTASE                          17-NOV-99   1DF7              
TITLE     DIHYDROFOLATE REDUCTASE OF MYCOBACTERIUM TUBERCULOSIS COMPLEXED WITH  
TITLE    2 NADPH AND METHOTREXATE                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROFOLATE REDUCTASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: DHFR;                                                       
COMPND   5 EC: 1.5.1.3                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 1773                                                 
KEYWDS    DIHYDROFOLATE REDUCTASE, STRUCTURE-BASED INHIBITOR DESIGN,            
KEYWDS   2 FOLATEANALOGS, ROSSMANN FOLD, NICOTINAMIDE ADENINE DINUCLEOTIDE,     
KEYWDS   3 METHOTREXATE, TUBERCULOSIS, OXIDOREDUCTASE                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.LI,R.SIRAWARAPORN,P.CHITNUMSUB,W.SIRAWARAPORN,J.WOODEN,             
AUTHOR   2 F.ATHAPPILLY,S.TURLEY,W.G.HOL                                        
REVDAT   5   07-FEB-24 1DF7    1       REMARK                                   
REVDAT   4   13-JUL-11 1DF7    1       VERSN                                    
REVDAT   3   24-FEB-09 1DF7    1       VERSN                                    
REVDAT   2   28-JUN-00 1DF7    1       SOURCE HETATM DBREF                      
REVDAT   1   09-MAR-00 1DF7    0                                                
JRNL        AUTH   R.LI,R.SIRAWARAPORN,P.CHITNUMSUB,W.SIRAWARAPORN,J.WOODEN,    
JRNL        AUTH 2 F.ATHAPPILLY,S.TURLEY,W.G.HOL                                
JRNL        TITL   THREE-DIMENSIONAL STRUCTURE OF M. TUBERCULOSIS DIHYDROFOLATE 
JRNL        TITL 2 REDUCTASE REVEALS OPPORTUNITIES FOR THE DESIGN OF NOVEL      
JRNL        TITL 3 TUBERCULOSIS DRUGS.                                          
JRNL        REF    J.MOL.BIOL.                   V. 295   307 2000              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   10623528                                                     
JRNL        DOI    10.1006/JMBI.1999.3328                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   V.CODY,N.GALITSKY,J.R.LUFT,W.PANGBORN,A.ROSOWSKY,R.L.BLAKLEY 
REMARK   1  TITL   COMPARISON OF TWO INDEPENDENT CRYSTAL STRUCTURES OF HUMAN    
REMARK   1  TITL 2 DIHYDROFOLATE REDUCTASE TERNARY COMPLEXES REDUCED WITH       
REMARK   1  TITL 3 NICOTINAMIDE ADENINE DINUCLEOTIDE PHOSPHATE AND THE VERY     
REMARK   1  TITL 4 TIGHT-BINDING INHIBITOR PT523                                
REMARK   1  REF    BIOCHEMISTRY                  V.  36 13897 1997              
REMARK   1  REFN                   ISSN 0006-2960                               
REMARK   1  DOI    10.1021/BI971711L                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 23394                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.246                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2311                            
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            : 1244                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 110                                     
REMARK   3   SOLVENT ATOMS            : 195                                     
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) : 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) : 0.017                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.690                           
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  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 1DF7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-NOV-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000010034.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 17-SEP-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 4.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0188                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : SBC-2                              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 109952                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.04200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.78                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.26300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.64                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM ACETATE,        
REMARK 280  GLYCEROL, NADPH, METHOTREXATE, POTASSIUM PHOSPHATE, DTT,            
REMARK 280  POTASSIUM CHLORIDE, PH 4.5, VAPOR DIFFUSION, TEMPERATURE 277K       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+1/4                                              
REMARK 290       4555   Y,-X,Z+3/4                                              
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       29.41500            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       14.70750            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       44.12250            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLY A  95   N     GLY A  95   CA     -0.130                       
REMARK 500    GLY A  95   CA    GLY A  95   C       0.109                       
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    PRO A  21       39.90    -73.31                                   
REMARK 500    LEU A  24       79.97   -153.64                                   
REMARK 500    ALA A  69      -76.11    -34.37                                   
REMARK 500    ASP A  70       66.69   -116.78                                   
REMARK 500    LEU A  86       31.96    -90.99                                   
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    TYR A 154         0.07    SIDE CHAIN                              
REMARK 500    TYR A 156         0.09    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 506                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NDP A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 505                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DG5   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1DG7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1DG8   RELATED DB: PDB                                   
DBREF  1DF7 A    1   159  UNP    P0A546   DYR_MYCTU        1    159             
SEQRES   1 A  159  MET VAL GLY LEU ILE TRP ALA GLN ALA THR SER GLY VAL          
SEQRES   2 A  159  ILE GLY ARG GLY GLY ASP ILE PRO TRP ARG LEU PRO GLU          
SEQRES   3 A  159  ASP GLN ALA HIS PHE ARG GLU ILE THR MET GLY HIS THR          
SEQRES   4 A  159  ILE VAL MET GLY ARG ARG THR TRP ASP SER LEU PRO ALA          
SEQRES   5 A  159  LYS VAL ARG PRO LEU PRO GLY ARG ARG ASN VAL VAL LEU          
SEQRES   6 A  159  SER ARG GLN ALA ASP PHE MET ALA SER GLY ALA GLU VAL          
SEQRES   7 A  159  VAL GLY SER LEU GLU GLU ALA LEU THR SER PRO GLU THR          
SEQRES   8 A  159  TRP VAL ILE GLY GLY GLY GLN VAL TYR ALA LEU ALA LEU          
SEQRES   9 A  159  PRO TYR ALA THR ARG CYS GLU VAL THR GLU VAL ASP ILE          
SEQRES  10 A  159  GLY LEU PRO ARG GLU ALA GLY ASP ALA LEU ALA PRO VAL          
SEQRES  11 A  159  LEU ASP GLU THR TRP ARG GLY GLU THR GLY GLU TRP ARG          
SEQRES  12 A  159  PHE SER ARG SER GLY LEU ARG TYR ARG LEU TYR SER TYR          
SEQRES  13 A  159  HIS ARG SER                                                  
HET    SO4  A 506       5                                                       
HET    NDP  A 500      48                                                       
HET    MTX  A 501      33                                                       
HET    GOL  A 502       6                                                       
HET    GOL  A 503       6                                                       
HET    GOL  A 504       6                                                       
HET    GOL  A 505       6                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE                  
HETNAM   2 NDP  PHOSPHATE                                                       
HETNAM     MTX METHOTREXATE                                                     
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  SO4    O4 S 2-                                                      
FORMUL   3  NDP    C21 H30 N7 O17 P3                                            
FORMUL   4  MTX    C20 H22 N8 O5                                                
FORMUL   5  GOL    4(C3 H8 O3)                                                  
FORMUL   9  HOH   *195(H2 O)                                                    
HELIX    1   1 LEU A   24  MET A   36  1                                  13    
HELIX    2   2 ARG A   44  LEU A   50  1                                   7    
HELIX    3   3 PRO A   51  ARG A   55  5                                   5    
HELIX    4   4 SER A   81  LEU A   86  1                                   6    
HELIX    5   5 GLY A   96  LEU A  104  1                                   9    
HELIX    6   6 PRO A  105  ALA A  107  5                                   3    
SHEET    1   A 8 GLU A  77  VAL A  79  0                                        
SHEET    2   A 8 ARG A  61  LEU A  65  1  O  ASN A  62   N  GLU A  77           
SHEET    3   A 8 THR A  39  GLY A  43  1  N  ILE A  40   O  ARG A  61           
SHEET    4   A 8 THR A  91  VAL A  93  1  O  TRP A  92   N  VAL A  41           
SHEET    5   A 8 VAL A   2  ALA A   9  1  N  GLY A   3   O  THR A  91           
SHEET    6   A 8 ARG A 109  VAL A 115  1  O  ARG A 109   N  LEU A   4           
SHEET    7   A 8 ARG A 150  HIS A 157 -1  O  ARG A 152   N  GLU A 114           
SHEET    8   A 8 ARG A 136  THR A 139 -1  N  ARG A 136   O  HIS A 157           
SHEET    1  A1 8 GLU A  77  VAL A  79  0                                        
SHEET    2  A1 8 ARG A  61  LEU A  65  1  O  ASN A  62   N  GLU A  77           
SHEET    3  A1 8 THR A  39  GLY A  43  1  N  ILE A  40   O  ARG A  61           
SHEET    4  A1 8 THR A  91  VAL A  93  1  O  TRP A  92   N  VAL A  41           
SHEET    5  A1 8 VAL A   2  ALA A   9  1  N  GLY A   3   O  THR A  91           
SHEET    6  A1 8 ARG A 109  VAL A 115  1  O  ARG A 109   N  LEU A   4           
SHEET    7  A1 8 ARG A 150  HIS A 157 -1  O  ARG A 152   N  GLU A 114           
SHEET    8  A1 8 ARG A 143  PHE A 144 -1  N  ARG A 143   O  TYR A 151           
SHEET    1   B 2 VAL A  13  GLY A  15  0                                        
SHEET    2   B 2 ALA A 126  LEU A 127 -1  O  ALA A 126   N  ILE A  14           
CISPEP   1 ARG A   55    PRO A   56          0         0.13                     
CISPEP   2 GLY A   95    GLY A   96          0        -6.88                     
SITE     1 AC1  2 ARG A  44  ARG A  45                                          
SITE     1 AC2 34 TRP A   6  ALA A   7  ILE A  14  GLY A  15                    
SITE     2 AC2 34 GLY A  18  ASP A  19  ILE A  20  GLY A  43                    
SITE     3 AC2 34 ARG A  44  ARG A  45  THR A  46  LEU A  65                    
SITE     4 AC2 34 SER A  66  ARG A  67  GLN A  68  GLY A  80                    
SITE     5 AC2 34 ILE A  94  GLY A  96  GLY A  97  GLN A  98                    
SITE     6 AC2 34 VAL A  99  TYR A 100  LEU A 102  ALA A 126                    
SITE     7 AC2 34 MTX A 501  GOL A 503  HOH A 514  HOH A 519                    
SITE     8 AC2 34 HOH A 543  HOH A 556  HOH A 571  HOH A 577                    
SITE     9 AC2 34 HOH A 629  HOH A 648                                          
SITE     1 AC3 19 ILE A   5  TRP A   6  ILE A  20  PRO A  25                    
SITE     2 AC3 19 ASP A  27  GLN A  28  ALA A  29  PHE A  31                    
SITE     3 AC3 19 ARG A  32  PRO A  51  ARG A  60  ILE A  94                    
SITE     4 AC3 19 TYR A 100  NDP A 500  GOL A 502  HOH A 508                    
SITE     5 AC3 19 HOH A 542  HOH A 559  HOH A 682                               
SITE     1 AC4  6 TRP A  22  LEU A  24  ASP A  27  GLN A  28                    
SITE     2 AC4  6 MTX A 501  HOH A 609                                          
SITE     1 AC5 10 ARG A  45  GLN A  98  GLY A 124  GLY A 148                    
SITE     2 AC5 10 LEU A 149  NDP A 500  HOH A 509  HOH A 517                    
SITE     3 AC5 10 HOH A 574  HOH A 628                                          
SITE     1 AC6  7 HIS A  30  GLU A  33  ALA A  52  ARG A 143                    
SITE     2 AC6  7 LEU A 153  HOH A 552  HOH A 677                               
SITE     1 AC7  5 GLN A   8  THR A  10  GLU A 114  TYR A 154                    
SITE     2 AC7  5 TYR A 156                                                     
CRYST1   60.510   60.510   58.830  90.00  90.00  90.00 P 41          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      0.016526  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016526  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016998        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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