HEADER    LIGASE/INHIBITOR                        12-JUN-20   7CBG              
TITLE     CRYSTAL STRUCTURE OF THREONYL-TRNA SYNTHETASE (THRRS) FROM SALMONELLA 
TITLE    2 ENTERICA IN COMPLEX WITH AN INHIBITOR                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THREONINE--TRNA LIGASE;                                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: THREONYL-TRNA SYNTHETASE,THRRS;                             
COMPND   5 EC: 6.1.1.3;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA ENTERICA SUBSP. ENTERICA SEROVAR     
SOURCE   3 CUBANA STR. 76814;                                                   
SOURCE   4 ORGANISM_TAXID: 1192560;                                             
SOURCE   5 GENE: THRS, A628_05061;                                              
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008                                      
KEYWDS    LIGASE-INHIBITOR COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.GUO,B.CHEN,H.ZHOU                                                   
REVDAT   2   29-NOV-23 7CBG    1       REMARK                                   
REVDAT   1   07-OCT-20 7CBG    0                                                
JRNL        AUTH   J.GUO,B.CHEN,Y.YU,B.CHENG,Y.JU,J.TANG,Z.CAI,Q.GU,J.XU,H.ZHOU 
JRNL        TITL   STRUCTURE-GUIDED OPTIMIZATION AND MECHANISTIC STUDY OF A     
JRNL        TITL 2 CLASS OF QUINAZOLINONE-THREONINE HYBRIDS AS ANTIBACTERIAL    
JRNL        TITL 3 THRRS INHIBITORS.                                            
JRNL        REF    EUR.J.MED.CHEM.               V. 207 12848 2020              
JRNL        REFN                   ISSN 0223-5234                               
JRNL        PMID   32980741                                                     
JRNL        DOI    10.1016/J.EJMECH.2020.112848                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0158                                      
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) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 31158                          
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) : 0.217                           
REMARK   3   R VALUE            (WORKING SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.261                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1603                            
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) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.57                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2288                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.96                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2550                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 111                          
REMARK   3   BIN FREE R VALUE                    : 0.3260                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6483                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 54                                      
REMARK   3   SOLVENT ATOMS            : 386                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.06                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.63000                                              
REMARK   3    B22 (A**2) : -1.38000                                             
REMARK   3    B33 (A**2) : -0.25000                                             
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): 0.774         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.314         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.213         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.621         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.916                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.876                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6679 ; 0.006 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  6090 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9009 ; 1.046 ; 1.940       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 14079 ; 0.871 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   799 ; 5.369 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   346 ;32.524 ;23.468       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1172 ;15.002 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    62 ;11.143 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   945 ; 0.060 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  7611 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1467 ; 0.001 ; 0.020       
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):  3202 ; 0.407 ; 2.376       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  3201 ; 0.407 ; 2.375       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3999 ; 0.773 ; 3.562       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  4000 ; 0.773 ; 3.562       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3477 ; 0.197 ; 2.367       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  3478 ; 0.197 ; 2.367       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  5011 ; 0.407 ; 3.542       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  7421 ; 1.840 ;26.742       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  7351 ; 1.757 ;26.708       
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   : 1.20                                          
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 7CBG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-JUN-20.                  
REMARK 100 THE DEPOSITION ID IS D_1300017317.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 30-JUL-19                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU MICROMAX-007 HF             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.542                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU HYPIX-6000HE                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO                        
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32934                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
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     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 5.000                              
REMARK 200  R MERGE                    (I) : 0.03900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.08900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 10.90                              
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: 6L2Q                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.24 M LITHIUM ACETATE PH 7.5, 18%       
REMARK 280  PEG3350, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K            
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       43.39650            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       52.81650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       50.89800            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       52.81650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       43.39650            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       50.89800            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4080 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 33080 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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     MET A   240                                                      
REMARK 465     GLU A   642                                                      
REMARK 465     LEU A   643                                                      
REMARK 465     GLU A   644                                                      
REMARK 465     HIS A   645                                                      
REMARK 465     HIS A   646                                                      
REMARK 465     HIS A   647                                                      
REMARK 465     HIS A   648                                                      
REMARK 465     HIS A   649                                                      
REMARK 465     HIS A   650                                                      
REMARK 465     MET B   240                                                      
REMARK 465     GLU B   641                                                      
REMARK 465     GLU B   642                                                      
REMARK 465     LEU B   643                                                      
REMARK 465     GLU B   644                                                      
REMARK 465     HIS B   645                                                      
REMARK 465     HIS B   646                                                      
REMARK 465     HIS B   647                                                      
REMARK 465     HIS B   648                                                      
REMARK 465     HIS B   649                                                      
REMARK 465     HIS B   650                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASP A 315    CG   OD1  OD2                                       
REMARK 470     LYS A 426    CG   CD   CE   NZ                                   
REMARK 470     GLU A 432    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 577    CG   CD   CE   NZ                                   
REMARK 470     LYS A 599    CG   CD   CE   NZ                                   
REMARK 470     LYS A 614    CE   NZ                                             
REMARK 470     GLU A 626    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 426    CG   CD   CE   NZ                                   
REMARK 470     GLU B 432    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 453    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 503    CG   CD   OE1  OE2                                  
REMARK 470     MET B 593    CE                                                  
REMARK 470     GLU B 602    CG   CD   OE1  OE2                                  
REMARK 470     LYS B 614    CG   CD   CE   NZ                                   
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    SER A 322      119.73   -165.59                                   
REMARK 500    HIS A 371       95.71   -162.51                                   
REMARK 500    GLN B 289       64.85     68.05                                   
REMARK 500    LYS B 426      -85.86    -62.04                                   
REMARK 500    ARG B 427      139.90     46.81                                   
REMARK 500    SER B 488      -60.80   -133.36                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 702  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 334   SG                                                     
REMARK 620 2 HIS A 385   NE2  92.5                                              
REMARK 620 3 HIS A 511   ND1 100.2  93.5                                        
REMARK 620 4 FQL A 701   N22 102.1 163.9  90.8                                  
REMARK 620 5 FQL A 701   O24 140.3  88.4 119.4  76.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 702  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 334   SG                                                     
REMARK 620 2 HIS B 385   NE2  95.6                                              
REMARK 620 3 HIS B 511   ND1 103.8  97.2                                        
REMARK 620 4 FQL B 701   N22  89.4 160.3 100.1                                  
REMARK 620 5 FQL B 701   O24 135.1  87.3 120.3  75.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FQL A 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 702                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue FQL B 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 702                  
DBREF  7CBG A  242   642  UNP    V7II86   V7II86_SALET   222    622             
DBREF  7CBG B  242   642  UNP    V7II86   V7II86_SALET   222    622             
SEQADV 7CBG MET A  240  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG GLY A  241  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG LEU A  643  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG GLU A  644  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  645  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  646  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  647  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  648  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  649  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS A  650  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG MET B  240  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG GLY B  241  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG LEU B  643  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG GLU B  644  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  645  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  646  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  647  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  648  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  649  UNP  V7II86              EXPRESSION TAG                 
SEQADV 7CBG HIS B  650  UNP  V7II86              EXPRESSION TAG                 
SEQRES   1 A  411  MET GLY ARG ASP HIS ARG LYS ILE GLY LYS GLN LEU ASP          
SEQRES   2 A  411  LEU TYR HIS MET GLN GLU GLU ALA PRO GLY MET VAL PHE          
SEQRES   3 A  411  TRP HIS ASN ASP GLY TRP THR ILE PHE ARG GLU LEU GLU          
SEQRES   4 A  411  VAL PHE VAL ARG SER LYS LEU LYS GLU TYR GLN TYR GLN          
SEQRES   5 A  411  GLU VAL LYS GLY PRO PHE MET MET ASP ARG VAL LEU TRP          
SEQRES   6 A  411  GLU LYS THR GLY HIS TRP ASP ASN TYR LYS ASP ALA MET          
SEQRES   7 A  411  PHE THR THR SER SER GLU ASN ARG GLU TYR CYS ILE LYS          
SEQRES   8 A  411  PRO MET ASN CYS PRO GLY HIS VAL GLN ILE PHE ASN GLN          
SEQRES   9 A  411  GLY LEU LYS SER TYR ARG ASP LEU PRO LEU ARG MET ALA          
SEQRES  10 A  411  GLU PHE GLY SER CYS HIS ARG ASN GLU PRO SER GLY ALA          
SEQRES  11 A  411  LEU HIS GLY LEU MET ARG VAL ARG GLY PHE THR GLN ASP          
SEQRES  12 A  411  ASP ALA HIS ILE PHE CYS THR GLU GLU GLN ILE ARG ASP          
SEQRES  13 A  411  GLU VAL ASN ALA CYS ILE ARG MET VAL TYR ASP MET TYR          
SEQRES  14 A  411  SER THR PHE GLY PHE GLU LYS ILE VAL VAL LYS LEU SER          
SEQRES  15 A  411  THR ARG PRO ASP LYS ARG ILE GLY SER ASP GLU MET TRP          
SEQRES  16 A  411  ASP ARG ALA GLU ALA ASP LEU ALA VAL ALA LEU GLU GLU          
SEQRES  17 A  411  ASN ASN ILE PRO PHE GLU TYR GLN LEU GLY GLU GLY ALA          
SEQRES  18 A  411  PHE TYR GLY PRO LYS ILE GLU PHE THR LEU TYR ASP CYS          
SEQRES  19 A  411  LEU ASP ARG ALA TRP GLN CYS GLY THR VAL GLN LEU ASP          
SEQRES  20 A  411  PHE SER LEU PRO SER ARG LEU SER ALA SER TYR VAL GLY          
SEQRES  21 A  411  GLU ASP ASN GLU ARG LYS VAL PRO VAL MET ILE HIS ARG          
SEQRES  22 A  411  ALA ILE LEU GLY SER MET GLU ARG PHE ILE GLY ILE LEU          
SEQRES  23 A  411  THR GLU GLU PHE ALA GLY PHE PHE PRO THR TRP LEU ALA          
SEQRES  24 A  411  PRO VAL GLN VAL VAL VAL MET ASN ILE THR ASP SER GLN          
SEQRES  25 A  411  SER GLU TYR VAL ASN GLU LEU THR GLN LYS LEU GLN ASN          
SEQRES  26 A  411  ALA GLY ILE ARG VAL LYS ALA ASP LEU ARG ASN GLU LYS          
SEQRES  27 A  411  ILE GLY PHE LYS ILE ARG GLU HIS THR LEU ARG ARG VAL          
SEQRES  28 A  411  PRO TYR MET LEU VAL CYS GLY ASP LYS GLU VAL GLU ALA          
SEQRES  29 A  411  GLY LYS VAL ALA VAL ARG THR ARG ARG GLY LYS ASP LEU          
SEQRES  30 A  411  GLY SER LEU ASP VAL ASN ASP VAL ILE GLU LYS LEU GLN          
SEQRES  31 A  411  GLN GLU ILE ARG SER ARG SER LEU GLN GLN LEU GLU GLU          
SEQRES  32 A  411  LEU GLU HIS HIS HIS HIS HIS HIS                              
SEQRES   1 B  411  MET GLY ARG ASP HIS ARG LYS ILE GLY LYS GLN LEU ASP          
SEQRES   2 B  411  LEU TYR HIS MET GLN GLU GLU ALA PRO GLY MET VAL PHE          
SEQRES   3 B  411  TRP HIS ASN ASP GLY TRP THR ILE PHE ARG GLU LEU GLU          
SEQRES   4 B  411  VAL PHE VAL ARG SER LYS LEU LYS GLU TYR GLN TYR GLN          
SEQRES   5 B  411  GLU VAL LYS GLY PRO PHE MET MET ASP ARG VAL LEU TRP          
SEQRES   6 B  411  GLU LYS THR GLY HIS TRP ASP ASN TYR LYS ASP ALA MET          
SEQRES   7 B  411  PHE THR THR SER SER GLU ASN ARG GLU TYR CYS ILE LYS          
SEQRES   8 B  411  PRO MET ASN CYS PRO GLY HIS VAL GLN ILE PHE ASN GLN          
SEQRES   9 B  411  GLY LEU LYS SER TYR ARG ASP LEU PRO LEU ARG MET ALA          
SEQRES  10 B  411  GLU PHE GLY SER CYS HIS ARG ASN GLU PRO SER GLY ALA          
SEQRES  11 B  411  LEU HIS GLY LEU MET ARG VAL ARG GLY PHE THR GLN ASP          
SEQRES  12 B  411  ASP ALA HIS ILE PHE CYS THR GLU GLU GLN ILE ARG ASP          
SEQRES  13 B  411  GLU VAL ASN ALA CYS ILE ARG MET VAL TYR ASP MET TYR          
SEQRES  14 B  411  SER THR PHE GLY PHE GLU LYS ILE VAL VAL LYS LEU SER          
SEQRES  15 B  411  THR ARG PRO ASP LYS ARG ILE GLY SER ASP GLU MET TRP          
SEQRES  16 B  411  ASP ARG ALA GLU ALA ASP LEU ALA VAL ALA LEU GLU GLU          
SEQRES  17 B  411  ASN ASN ILE PRO PHE GLU TYR GLN LEU GLY GLU GLY ALA          
SEQRES  18 B  411  PHE TYR GLY PRO LYS ILE GLU PHE THR LEU TYR ASP CYS          
SEQRES  19 B  411  LEU ASP ARG ALA TRP GLN CYS GLY THR VAL GLN LEU ASP          
SEQRES  20 B  411  PHE SER LEU PRO SER ARG LEU SER ALA SER TYR VAL GLY          
SEQRES  21 B  411  GLU ASP ASN GLU ARG LYS VAL PRO VAL MET ILE HIS ARG          
SEQRES  22 B  411  ALA ILE LEU GLY SER MET GLU ARG PHE ILE GLY ILE LEU          
SEQRES  23 B  411  THR GLU GLU PHE ALA GLY PHE PHE PRO THR TRP LEU ALA          
SEQRES  24 B  411  PRO VAL GLN VAL VAL VAL MET ASN ILE THR ASP SER GLN          
SEQRES  25 B  411  SER GLU TYR VAL ASN GLU LEU THR GLN LYS LEU GLN ASN          
SEQRES  26 B  411  ALA GLY ILE ARG VAL LYS ALA ASP LEU ARG ASN GLU LYS          
SEQRES  27 B  411  ILE GLY PHE LYS ILE ARG GLU HIS THR LEU ARG ARG VAL          
SEQRES  28 B  411  PRO TYR MET LEU VAL CYS GLY ASP LYS GLU VAL GLU ALA          
SEQRES  29 B  411  GLY LYS VAL ALA VAL ARG THR ARG ARG GLY LYS ASP LEU          
SEQRES  30 B  411  GLY SER LEU ASP VAL ASN ASP VAL ILE GLU LYS LEU GLN          
SEQRES  31 B  411  GLN GLU ILE ARG SER ARG SER LEU GLN GLN LEU GLU GLU          
SEQRES  32 B  411  LEU GLU HIS HIS HIS HIS HIS HIS                              
HET    FQL  A 701      26                                                       
HET     ZN  A 702       1                                                       
HET    FQL  B 701      26                                                       
HET     ZN  B 702       1                                                       
HETNAM     FQL (2S,3R)-N-[(E)-4-[6,7-BIS(CHLORANYL)-4-OXIDANYLIDENE-            
HETNAM   2 FQL  QUINAZOLIN-3-YL]BUT-2-ENYL]-2-(METHYLAMINO)-3-                  
HETNAM   3 FQL  OXIDANYL-BUTANAMIDE                                             
HETNAM      ZN ZINC ION                                                         
FORMUL   3  FQL    2(C17 H20 CL2 N4 O3)                                         
FORMUL   4   ZN    2(ZN 2+)                                                     
FORMUL   7  HOH   *386(H2 O)                                                    
HELIX    1 AA1 ASP A  243  LEU A  251  1                                   9    
HELIX    2 AA2 HIS A  267  TYR A  288  1                                  22    
HELIX    3 AA3 ARG A  301  THR A  307  1                                   7    
HELIX    4 AA4 HIS A  309  LYS A  314  1                                   6    
HELIX    5 AA5 ASP A  315  MET A  317  5                                   3    
HELIX    6 AA6 ASN A  333  GLN A  343  1                                  11    
HELIX    7 AA7 SER A  347  LEU A  351  5                                   5    
HELIX    8 AA8 GLN A  392  PHE A  411  1                                  20    
HELIX    9 AA9 SER A  430  ASN A  448  1                                  19    
HELIX   10 AB1 SER A  488  LEU A  493  1                                   6    
HELIX   11 AB2 SER A  517  ALA A  530  1                                  14    
HELIX   12 AB3 THR A  548  SER A  550  5                                   3    
HELIX   13 AB4 GLN A  551  ALA A  565  1                                  15    
HELIX   14 AB5 LYS A  577  ARG A  588  1                                  12    
HELIX   15 AB6 GLY A  597  GLY A  604  1                                   8    
HELIX   16 AB7 VAL A  621  SER A  634  1                                  14    
HELIX   17 AB8 ASP B  243  LEU B  251  1                                   9    
HELIX   18 AB9 HIS B  267  TYR B  288  1                                  22    
HELIX   19 AC1 ARG B  301  THR B  307  1                                   7    
HELIX   20 AC2 HIS B  309  LYS B  314  1                                   6    
HELIX   21 AC3 ASP B  315  MET B  317  5                                   3    
HELIX   22 AC4 ASN B  333  ASN B  342  1                                  10    
HELIX   23 AC5 SER B  347  LEU B  351  5                                   5    
HELIX   24 AC6 PRO B  366  LEU B  370  5                                   5    
HELIX   25 AC7 GLN B  392  PHE B  411  1                                  20    
HELIX   26 AC8 SER B  430  ASN B  448  1                                  19    
HELIX   27 AC9 SER B  488  LEU B  493  1                                   6    
HELIX   28 AD1 SER B  517  ALA B  530  1                                  14    
HELIX   29 AD2 THR B  548  SER B  550  5                                   3    
HELIX   30 AD3 GLN B  551  ALA B  565  1                                  15    
HELIX   31 AD4 LYS B  577  ARG B  588  1                                  12    
HELIX   32 AD5 GLY B  597  GLY B  604  1                                   8    
HELIX   33 AD6 VAL B  621  SER B  634  1                                  14    
SHEET    1 AA1 2 TYR A 254  HIS A 255  0                                        
SHEET    2 AA1 2 PHE A 265  TRP A 266 -1  O  PHE A 265   N  HIS A 255           
SHEET    1 AA2 8 GLN A 291  GLU A 292  0                                        
SHEET    2 AA2 8 LEU A 353  HIS A 362  1  O  ALA A 356   N  GLN A 291           
SHEET    3 AA2 8 GLY A 378  CYS A 388 -1  O  PHE A 379   N  CYS A 361           
SHEET    4 AA2 8 VAL A 508  ALA A 513 -1  O  VAL A 508   N  CYS A 388           
SHEET    5 AA2 8 ALA A 477  ASP A 486 -1  N  GLN A 484   O  HIS A 511           
SHEET    6 AA2 8 LYS A 465  TYR A 471 -1  N  ILE A 466   O  VAL A 483           
SHEET    7 AA2 8 ILE A 416  SER A 421 -1  N  VAL A 417   O  THR A 469           
SHEET    8 AA2 8 GLU A 453  GLN A 455  1  O  GLU A 453   N  LEU A 420           
SHEET    1 AA3 3 MET A 298  ASP A 300  0                                        
SHEET    2 AA3 3 ARG A 325  ILE A 329 -1  O  CYS A 328   N  MET A 299           
SHEET    3 AA3 3 PHE A 318  SER A 322 -1  N  THR A 320   O  TYR A 327           
SHEET    1 AA4 2 TYR A 497  VAL A 498  0                                        
SHEET    2 AA4 2 ARG A 504  LYS A 505 -1  O  LYS A 505   N  TYR A 497           
SHEET    1 AA5 5 VAL A 569  ASP A 572  0                                        
SHEET    2 AA5 5 VAL A 542  ASN A 546  1  N  VAL A 544   O  ASP A 572           
SHEET    3 AA5 5 TYR A 592  CYS A 596  1  O  CYS A 596   N  MET A 545           
SHEET    4 AA5 5 LYS A 605  THR A 610 -1  O  ALA A 607   N  VAL A 595           
SHEET    5 AA5 5 ASP A 615  ASP A 620 -1  O  LEU A 616   N  VAL A 608           
SHEET    1 AA6 2 TYR B 254  HIS B 255  0                                        
SHEET    2 AA6 2 PHE B 265  TRP B 266 -1  O  PHE B 265   N  HIS B 255           
SHEET    1 AA7 8 GLN B 291  GLU B 292  0                                        
SHEET    2 AA7 8 LEU B 353  HIS B 362  1  O  ALA B 356   N  GLN B 291           
SHEET    3 AA7 8 GLY B 378  CYS B 388 -1  O  PHE B 379   N  CYS B 361           
SHEET    4 AA7 8 VAL B 508  ALA B 513 -1  O  VAL B 508   N  CYS B 388           
SHEET    5 AA7 8 ALA B 477  ASP B 486 -1  N  GLN B 484   O  HIS B 511           
SHEET    6 AA7 8 LYS B 465  TYR B 471 -1  N  ILE B 466   O  VAL B 483           
SHEET    7 AA7 8 ILE B 416  SER B 421 -1  N  VAL B 417   O  THR B 469           
SHEET    8 AA7 8 GLU B 453  GLN B 455  1  O  GLN B 455   N  LEU B 420           
SHEET    1 AA8 3 MET B 298  ASP B 300  0                                        
SHEET    2 AA8 3 GLU B 326  ILE B 329 -1  O  CYS B 328   N  MET B 299           
SHEET    3 AA8 3 PHE B 318  SER B 321 -1  N  THR B 320   O  TYR B 327           
SHEET    1 AA9 2 TYR B 497  VAL B 498  0                                        
SHEET    2 AA9 2 ARG B 504  LYS B 505 -1  O  LYS B 505   N  TYR B 497           
SHEET    1 AB1 5 VAL B 569  ASP B 572  0                                        
SHEET    2 AB1 5 VAL B 542  ASN B 546  1  N  VAL B 544   O  ASP B 572           
SHEET    3 AB1 5 TYR B 592  CYS B 596  1  O  LEU B 594   N  MET B 545           
SHEET    4 AB1 5 LYS B 605  THR B 610 -1  O  ALA B 607   N  VAL B 595           
SHEET    5 AB1 5 ASP B 615  ASP B 620 -1  O  LEU B 619   N  VAL B 606           
LINK         SG  CYS A 334                ZN    ZN A 702     1555   1555  2.34  
LINK         NE2 HIS A 385                ZN    ZN A 702     1555   1555  2.02  
LINK         ND1 HIS A 511                ZN    ZN A 702     1555   1555  2.10  
LINK         N22 FQL A 701                ZN    ZN A 702     1555   1555  2.35  
LINK         O24 FQL A 701                ZN    ZN A 702     1555   1555  1.99  
LINK         SG  CYS B 334                ZN    ZN B 702     1555   1555  2.30  
LINK         NE2 HIS B 385                ZN    ZN B 702     1555   1555  2.05  
LINK         ND1 HIS B 511                ZN    ZN B 702     1555   1555  2.06  
LINK         N22 FQL B 701                ZN    ZN B 702     1555   1555  2.35  
LINK         O24 FQL B 701                ZN    ZN B 702     1555   1555  2.05  
CISPEP   1 LEU A  351    PRO A  352          0        -1.46                     
CISPEP   2 LEU B  351    PRO B  352          0        -0.42                     
SITE     1 AC1 14 TYR A 313  MET A 317  PRO A 331  MET A 332                    
SITE     2 AC1 14 CYS A 334  ARG A 363  GLN A 381  ASP A 383                    
SITE     3 AC1 14 HIS A 385  HIS A 511  ARG A 512  ALA A 513                    
SITE     4 AC1 14  ZN A 702  HOH A 921                                          
SITE     1 AC2  4 CYS A 334  HIS A 385  HIS A 511  FQL A 701                    
SITE     1 AC3 14 TYR B 313  ALA B 316  MET B 317  PRO B 331                    
SITE     2 AC3 14 CYS B 334  ARG B 363  GLN B 381  ASP B 383                    
SITE     3 AC3 14 HIS B 385  HIS B 511  ARG B 512   ZN B 702                    
SITE     4 AC3 14 HOH B 881  HOH B 934                                          
SITE     1 AC4  4 CYS B 334  HIS B 385  HIS B 511  FQL B 701                    
CRYST1   86.793  101.796  105.633  90.00  90.00  90.00 P 21 21 21    8          
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      0.011522  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009824  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009467        0.00000