PDB Short entry for 1ZDR
HEADER    OXIDOREDUCTASE                          14-APR-05   1ZDR              
TITLE     DHFR FROM BACILLUS STEAROTHERMOPHILUS                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROFOLATE REDUCTASE;                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 1.5.1.3;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS;                 
SOURCE   3 ORGANISM_TAXID: 1422;                                                
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: PET21A                                    
KEYWDS    DHFR, NADP, OXIDOREDUCTASE                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.S.KIM,S.M.DAMO,S.Y.LEE,D.WEMMER,J.P.KLINMAN                         
REVDAT   4   23-AUG-23 1ZDR    1       REMARK                                   
REVDAT   3   13-JUL-11 1ZDR    1       VERSN                                    
REVDAT   2   24-FEB-09 1ZDR    1       VERSN                                    
REVDAT   1   30-AUG-05 1ZDR    0                                                
JRNL        AUTH   H.S.KIM,S.M.DAMO,S.Y.LEE,D.WEMMER,J.P.KLINMAN                
JRNL        TITL   STRUCTURE AND HYDRIDE TRANSFER MECHANISM OF A MODERATE       
JRNL        TITL 2 THERMOPHILIC DIHYDROFOLATE REDUCTASE FROM BACILLUS           
JRNL        TITL 3 STEAROTHERMOPHILUS AND COMPARISON TO ITS MESOPHILIC AND      
JRNL        TITL 4 HYPERTHERMOPHILIC HOMOLOGUES.                                
JRNL        REF    BIOCHEMISTRY                  V.  44 11428 2005              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   16114879                                                     
JRNL        DOI    10.1021/BI050630J                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
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)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 39692                          
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) : 0.210                           
REMARK   3   FREE R VALUE                     : 0.248                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 4008                            
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            : 2583                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 31                                      
REMARK   3   SOLVENT ATOMS            : 234                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 47.90                          
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) : 0.23                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.09                            
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) : 0.28                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.13                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.80                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.600                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.39                                                 
REMARK   3   BSOL        : 68.10                                                
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 1ZDR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-APR-04.                  
REMARK 100 THE DEPOSITION ID IS D_1000032604.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
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   : 44206                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07300                            
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) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.12                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 69.8                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 1RX2                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.99                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.4, TEMPERATURE 298K, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP                                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       52.32500            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       52.32500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       52.32500            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       52.32500            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       52.32500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       52.32500            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       52.32500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       52.32500            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
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     LYS A   162                                                      
REMARK 465     ALA A   163                                                      
REMARK 465     LYS A   164                                                      
REMARK 465     LYS B   161                                                      
REMARK 465     LYS B   162                                                      
REMARK 465     ALA B   163                                                      
REMARK 465     LYS B   164                                                      
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   CB   ALA B    90     CB   ALA B    90     7556     2.08            
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    GLY A  97   CA  -  C   -  N   ANGL. DEV. = -12.9 DEGREES          
REMARK 500    PRO A 150   CA  -  N   -  CD  ANGL. DEV. = -27.0 DEGREES          
REMARK 500    PRO B 150   CA  -  N   -  CD  ANGL. DEV. = -32.2 DEGREES          
REMARK 500    PRO B 150   CB  -  CA  -  C   ANGL. DEV. = -13.3 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    ASN A  18       17.67     59.65                                   
REMARK 500    ARG A  69       72.22   -152.69                                   
REMARK 500    ALA A  90      -32.70   -131.85                                   
REMARK 500    ALA B  49       -5.03    -56.48                                   
REMARK 500    ASN B  59       94.19    -64.67                                   
REMARK 500    PHE B  68      154.42    -38.21                                   
REMARK 500    ARG B  69       71.57   -112.71                                   
REMARK 500    LEU B  74      102.58    -45.89                                   
REMARK 500    ARG B  89      153.45    -39.48                                   
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 3482                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 3483                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 3484                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 3485                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 3486                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 1901                
REMARK 999                                                                      
REMARK 999  SEQUENCE                                                            
REMARK 999 CURRENTLY THE PROTEIN SEQUENCE FOR DIHYDROFOLATE REDUCTASE           
REMARK 999 SOURCE BACILLUS STEAROTHERMOPHILUS IS NOT AVAILABLE IN ANY           
REMARK 999 PROTEIN DATABASE.                                                    
DBREF  1ZDR A    1   164  PDB    1ZDR     1ZDR             1    164             
DBREF  1ZDR B    1   164  PDB    1ZDR     1ZDR             1    164             
SEQRES   1 A  164  MET ILE SER HIS ILE VAL ALA MET ASP GLU ASN ARG VAL          
SEQRES   2 A  164  ILE GLY LYS ASP ASN ARG LEU PRO TRP HIS LEU PRO ALA          
SEQRES   3 A  164  ASP LEU ALA TYR PHE LYS ARG VAL THR MET GLY HIS ALA          
SEQRES   4 A  164  ILE VAL MET GLY ARG LYS THR PHE GLU ALA ILE GLY ARG          
SEQRES   5 A  164  PRO LEU PRO GLY ARG ASP ASN VAL VAL VAL THR GLY ASN          
SEQRES   6 A  164  ARG SER PHE ARG PRO GLU GLY CYS LEU VAL LEU HIS SER          
SEQRES   7 A  164  LEU GLU GLU VAL LYS GLN TRP ILE ALA SER ARG ALA ASP          
SEQRES   8 A  164  GLU VAL PHE ILE ILE GLY GLY ALA GLU LEU PHE ARG ALA          
SEQRES   9 A  164  THR MET PRO ILE VAL ASP ARG LEU TYR VAL THR LYS ILE          
SEQRES  10 A  164  PHE ALA SER PHE PRO GLY ASP THR PHE TYR PRO PRO ILE          
SEQRES  11 A  164  SER ASP ASP GLU TRP GLU ILE VAL SER TYR THR PRO GLY          
SEQRES  12 A  164  GLY LYS ASP GLU LYS ASN PRO TYR GLU HIS ALA PHE ILE          
SEQRES  13 A  164  ILE TYR GLU ARG LYS LYS ALA LYS                              
SEQRES   1 B  164  MET ILE SER HIS ILE VAL ALA MET ASP GLU ASN ARG VAL          
SEQRES   2 B  164  ILE GLY LYS ASP ASN ARG LEU PRO TRP HIS LEU PRO ALA          
SEQRES   3 B  164  ASP LEU ALA TYR PHE LYS ARG VAL THR MET GLY HIS ALA          
SEQRES   4 B  164  ILE VAL MET GLY ARG LYS THR PHE GLU ALA ILE GLY ARG          
SEQRES   5 B  164  PRO LEU PRO GLY ARG ASP ASN VAL VAL VAL THR GLY ASN          
SEQRES   6 B  164  ARG SER PHE ARG PRO GLU GLY CYS LEU VAL LEU HIS SER          
SEQRES   7 B  164  LEU GLU GLU VAL LYS GLN TRP ILE ALA SER ARG ALA ASP          
SEQRES   8 B  164  GLU VAL PHE ILE ILE GLY GLY ALA GLU LEU PHE ARG ALA          
SEQRES   9 B  164  THR MET PRO ILE VAL ASP ARG LEU TYR VAL THR LYS ILE          
SEQRES  10 B  164  PHE ALA SER PHE PRO GLY ASP THR PHE TYR PRO PRO ILE          
SEQRES  11 B  164  SER ASP ASP GLU TRP GLU ILE VAL SER TYR THR PRO GLY          
SEQRES  12 B  164  GLY LYS ASP GLU LYS ASN PRO TYR GLU HIS ALA PHE ILE          
SEQRES  13 B  164  ILE TYR GLU ARG LYS LYS ALA LYS                              
HET    SO4  A3482       5                                                       
HET    SO4  A3483       5                                                       
HET    SO4  A3484       5                                                       
HET    SO4  A3486       5                                                       
HET    SO4  B3485       5                                                       
HET    GOL  B1901       6                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  SO4    5(O4 S 2-)                                                   
FORMUL   8  GOL    C3 H8 O3                                                     
FORMUL   9  HOH   *234(H2 O)                                                    
HELIX    1   1 LEU A   24  MET A   36  1                                  13    
HELIX    2   2 ARG A   44  GLY A   51  1                                   8    
HELIX    3   3 SER A   78  SER A   88  1                                  11    
HELIX    4   4 GLY A   98  MET A  106  1                                   9    
HELIX    5   5 PRO A  107  VAL A  109  5                                   3    
HELIX    6   6 LEU B   24  MET B   36  1                                  13    
HELIX    7   7 GLY B   43  ALA B   49  1                                   7    
HELIX    8   8 SER B   78  LYS B   83  1                                   6    
HELIX    9   9 GLY B   98  THR B  105  1                                   8    
HELIX   10  10 MET B  106  VAL B  109  5                                   4    
SHEET    1   A 8 LEU A  74  LEU A  76  0                                        
SHEET    2   A 8 ASP A  58  VAL A  62  1  N  VAL A  61   O  LEU A  74           
SHEET    3   A 8 ALA A  39  GLY A  43  1  N  MET A  42   O  VAL A  60           
SHEET    4   A 8 VAL A  93  GLY A  97  1  O  PHE A  94   N  VAL A  41           
SHEET    5   A 8 ILE A   2  ASP A   9  1  N  SER A   3   O  ILE A  95           
SHEET    6   A 8 ARG A 111  ILE A 117  1  O  TYR A 113   N  HIS A   4           
SHEET    7   A 8 HIS A 153  ARG A 160 -1  O  ILE A 156   N  VAL A 114           
SHEET    8   A 8 TRP A 135  PRO A 142 -1  N  THR A 141   O  PHE A 155           
SHEET    1   B 2 VAL A  13  GLY A  15  0                                        
SHEET    2   B 2 THR A 125  PHE A 126 -1  O  THR A 125   N  GLY A  15           
SHEET    1   C 7 ARG B  57  VAL B  61  0                                        
SHEET    2   C 7 HIS B  38  MET B  42  1  N  ILE B  40   O  VAL B  60           
SHEET    3   C 7 VAL B  93  GLY B  97  1  O  PHE B  94   N  ALA B  39           
SHEET    4   C 7 ILE B   2  ASP B   9  1  N  SER B   3   O  ILE B  95           
SHEET    5   C 7 ARG B 111  ILE B 117  1  O  TYR B 113   N  HIS B   4           
SHEET    6   C 7 HIS B 153  GLU B 159 -1  O  ILE B 156   N  VAL B 114           
SHEET    7   C 7 GLU B 136  PRO B 142 -1  N  GLU B 136   O  GLU B 159           
SHEET    1   D 2 VAL B  13  GLY B  15  0                                        
SHEET    2   D 2 THR B 125  PHE B 126 -1  N  THR B 125   O  GLY B  15           
SITE     1 AC1  3 ARG A 111  HOH A3522  HOH A3548                               
SITE     1 AC2  8 GLY A  43  ARG A  44  LYS A  45  THR A  46                    
SITE     2 AC2  8 GLY A  98  HOH A3510  HOH A3557  HOH A3644                    
SITE     1 AC3  3 LYS A  32  ARG A  57  HOH A3498                               
SITE     1 AC4  2 PHE B  31  HOH B3493                                          
SITE     1 AC5  4 PHE A  31  LEU A  54  HOH A3516  HOH A3619                    
SITE     1 AC6  8 GLY B  43  ARG B  44  LYS B  45  THR B  46                    
SITE     2 AC6  8 GLY B  97  GLY B  98  ALA B  99  GLU B 100                    
CRYST1  104.650  104.650  116.370  90.00  90.00  90.00 P 4 21 2     16          
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      0.009556  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009556  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008593        0.00000