HEADER    OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 26-MAY-11   3S7A              
TITLE     HUMAN DIHYDROFOLATE REDUCTASE BINARY COMPLEX WITH PT684               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DIHYDROFOLATE REDUCTASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.5.1.3;                                                         
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: DHFR;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-SUMO                                  
KEYWDS    SINGLE POLYPEPTIDE CHAIN, REDUCTASE, OXIDOREDUCTASE-OXIDOREDUCTASE    
KEYWDS   2 INHIBITOR COMPLEX                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.CODY,J.PACE,J.NOWAK                                                 
REVDAT   2   13-SEP-23 3S7A    1       REMARK                                   
REVDAT   1   05-OCT-11 3S7A    0                                                
JRNL        AUTH   V.CODY,J.PACE,J.NOWAK                                        
JRNL        TITL   STRUCTURAL ANALYSIS OF HUMAN DIHYDROFOLATE REDUCTASE AS A    
JRNL        TITL 2 BINARY COMPLEX WITH THE POTENT AND SELECTIVE INHIBITOR       
JRNL        TITL 3 2,4-DIAMINO-6-{2'-O-(3-CARBOXYPROPYL)OXYDIBENZ[B,            
JRNL        TITL 4 F]-AZEPIN-5-YL}METHYLPTERIDINE REVEALS AN UNUSUAL BINDING    
JRNL        TITL 5 MODE.                                                        
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  67   875 2011              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   21931219                                                     
JRNL        DOI    10.1107/S0907444911030071                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0088                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 16884                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.239                           
REMARK   3   R VALUE            (WORKING SET) : 0.237                           
REMARK   3   FREE R VALUE                     : 0.284                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 905                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 896                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 69.44                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3240                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 47                           
REMARK   3   BIN FREE R VALUE                    : 0.3870                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1502                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 60                                      
REMARK   3   SOLVENT ATOMS            : 21                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 33.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.01000                                             
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.174         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.164         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.110         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.449         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.925                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.896                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1642 ; 0.022 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2226 ; 2.055 ; 2.041       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   187 ; 7.427 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    71 ;40.357 ;24.789       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   287 ;19.273 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     8 ;14.324 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   223 ; 0.162 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1251 ; 0.010 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   935 ; 1.289 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1520 ; 2.240 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   707 ; 3.601 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   706 ; 5.134 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3S7A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUN-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000065850.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-APR-11                          
REMARK 200  TEMPERATURE           (KELVIN) : 113                                
REMARK 200  PH                             : 6.9                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.975                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 325 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18704                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.4                               
REMARK 200  DATA REDUNDANCY                : 6.700                              
REMARK 200  R MERGE                    (I) : 0.23000                            
REMARK 200  R SYM                      (I) : 0.09400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 74.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.15700                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
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: PDB ENTRY 1U72                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% AMMONIUM SULFATE, 100 MM K2PO4, PH   
REMARK 280  6.9, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 287K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       27.29400            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       32.41350            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.55300            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       32.41350            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.29400            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.55300            
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   CD2  HIS A   130     OD2  ASP A   141     4455     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    CYS A   6   CB    CYS A   6   SG     -0.159                       
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    CYS A   6   CA  -  CB  -  SG  ANGL. DEV. =   7.2 DEGREES          
REMARK 500    MET A  52   CG  -  SD  -  CE  ANGL. DEV. =  11.1 DEGREES          
REMARK 500    ARG A  65   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.5 DEGREES          
REMARK 500    ARG A  65   NE  -  CZ  -  NH2 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    LEU A 133   CA  -  CB  -  CG  ANGL. DEV. =  17.0 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    ASP A 110     -100.81    -91.57                                   
REMARK 500    MET A 139       37.38    -88.81                                   
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 187                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 188                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 189                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 190                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 191                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 684 A 192                 
DBREF  3S7A A    1   186  UNP    P00374   DYR_HUMAN        2    187             
SEQRES   1 A  186  VAL GLY SER LEU ASN CYS ILE VAL ALA VAL SER GLN ASN          
SEQRES   2 A  186  MET GLY ILE GLY LYS ASN GLY ASP LEU PRO TRP PRO PRO          
SEQRES   3 A  186  LEU ARG ASN GLU PHE ARG TYR PHE GLN ARG MET THR THR          
SEQRES   4 A  186  THR SER SER VAL GLU GLY LYS GLN ASN LEU VAL ILE MET          
SEQRES   5 A  186  GLY LYS LYS THR TRP PHE SER ILE PRO GLU LYS ASN ARG          
SEQRES   6 A  186  PRO LEU LYS GLY ARG ILE ASN LEU VAL LEU SER ARG GLU          
SEQRES   7 A  186  LEU LYS GLU PRO PRO GLN GLY ALA HIS PHE LEU SER ARG          
SEQRES   8 A  186  SER LEU ASP ASP ALA LEU LYS LEU THR GLU GLN PRO GLU          
SEQRES   9 A  186  LEU ALA ASN LYS VAL ASP MET VAL TRP ILE VAL GLY GLY          
SEQRES  10 A  186  SER SER VAL TYR LYS GLU ALA MET ASN HIS PRO GLY HIS          
SEQRES  11 A  186  LEU LYS LEU PHE VAL THR ARG ILE MET GLN ASP PHE GLU          
SEQRES  12 A  186  SER ASP THR PHE PHE PRO GLU ILE ASP LEU GLU LYS TYR          
SEQRES  13 A  186  LYS LEU LEU PRO GLU TYR PRO GLY VAL LEU SER ASP VAL          
SEQRES  14 A  186  GLN GLU GLU LYS GLY ILE LYS TYR LYS PHE GLU VAL TYR          
SEQRES  15 A  186  GLU LYS ASN ASP                                              
HET    SO4  A 187       5                                                       
HET    SO4  A 188       5                                                       
HET    SO4  A 189       5                                                       
HET    SO4  A 190       5                                                       
HET    SO4  A 191       5                                                       
HET    684  A 192      70                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     684 4-({5-[(2,4-DIAMINOPTERIDIN-6-YL)METHYL]-5H-DIBENZO[B,           
HETNAM   2 684  F]AZEPIN-2-YL}OXY)BUTANOIC ACID                                 
HETSYN     684 PT684                                                            
FORMUL   2  SO4    5(O4 S 2-)                                                   
FORMUL   7  684    C25 H23 N7 O3                                                
FORMUL   8  HOH   *21(H2 O)                                                     
HELIX    1   1 LEU A   27  THR A   40  1                                  14    
HELIX    2   2 LYS A   54  ILE A   60  1                                   7    
HELIX    3   3 PRO A   61  ARG A   65  5                                   5    
HELIX    4   4 SER A   92  THR A  100  1                                   9    
HELIX    5   5 GLN A  102  ASN A  107  1                                   6    
HELIX    6   6 GLY A  117  HIS A  127  1                                  11    
SHEET    1   A 8 PHE A  88  SER A  90  0                                        
SHEET    2   A 8 ILE A  71  LEU A  75  1  N  VAL A  74   O  PHE A  88           
SHEET    3   A 8 GLN A  47  GLY A  53  1  N  ASN A  48   O  ILE A  71           
SHEET    4   A 8 VAL A 109  GLY A 116  1  O  TRP A 113   N  LEU A  49           
SHEET    5   A 8 LEU A   4  SER A  11  1  N  ASN A   5   O  ILE A 114           
SHEET    6   A 8 LEU A 131  ILE A 138  1  O  THR A 136   N  VAL A   8           
SHEET    7   A 8 ILE A 175  LYS A 184 -1  O  TYR A 182   N  LEU A 133           
SHEET    8   A 8 TYR A 156  LEU A 158 -1  N  LYS A 157   O  GLU A 183           
SHEET    1   B 8 PHE A  88  SER A  90  0                                        
SHEET    2   B 8 ILE A  71  LEU A  75  1  N  VAL A  74   O  PHE A  88           
SHEET    3   B 8 GLN A  47  GLY A  53  1  N  ASN A  48   O  ILE A  71           
SHEET    4   B 8 VAL A 109  GLY A 116  1  O  TRP A 113   N  LEU A  49           
SHEET    5   B 8 LEU A   4  SER A  11  1  N  ASN A   5   O  ILE A 114           
SHEET    6   B 8 LEU A 131  ILE A 138  1  O  THR A 136   N  VAL A   8           
SHEET    7   B 8 ILE A 175  LYS A 184 -1  O  TYR A 182   N  LEU A 133           
SHEET    8   B 8 GLN A 170  GLU A 172 -1  N  GLN A 170   O  TYR A 177           
SHEET    1   C 2 GLY A  15  GLY A  17  0                                        
SHEET    2   C 2 THR A 146  PHE A 147 -1  O  THR A 146   N  ILE A  16           
CISPEP   1 ARG A   65    PRO A   66          0        -6.52                     
CISPEP   2 GLY A  116    GLY A  117          0         9.83                     
SITE     1 AC1  7 GLY A  53  LYS A  54  LYS A  55  THR A  56                    
SITE     2 AC1  7 GLY A 117  SER A 119  VAL A 120                               
SITE     1 AC2  5 LYS A  54  SER A  76  ARG A  77  GLU A  78                    
SITE     2 AC2  5 HOH A 209                                                     
SITE     1 AC3  2 GLN A  47  GLY A  69                                          
SITE     1 AC4  4 VAL A   1  PRO A  61  GLU A  62  LYS A  63                    
SITE     1 AC5  3 GLU A 171  GLU A 172  LYS A 173                               
SITE     1 AC6 16 ILE A   7  VAL A   8  ALA A   9  ASP A  21                    
SITE     2 AC6 16 GLU A  30  PHE A  31  PHE A  34  GLN A  35                    
SITE     3 AC6 16 SER A  59  ILE A  60  PRO A  61  ASN A  64                    
SITE     4 AC6 16 VAL A 115  TYR A 121  THR A 136  HOH A 193                    
CRYST1   54.588   55.106   64.827  90.00  90.00  90.00 P 21 21 21    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      0.018319  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018147  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015426        0.00000