HEADER    HYDROLASE                               04-APR-24   7H4Z              
TITLE     GROUP DEPOSITION FOR CRYSTALLOGRAPHIC FRAGMENT SCREENING OF           
TITLE    2 COXSACKIEVIRUS A16 (G-10) 2A PROTEASE -- CRYSTAL STRUCTURE OF        
TITLE    3 COXSACKIEVIRUS A16 (G-10) 2A PROTEASE IN COMPLEX WITH Z1213725191    
TITLE    4 (A71EV2A-X1148)                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEASE 2A;                                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: P2A,PICORNAIN 2A,PROTEIN 2A;                                
COMPND   5 EC: 3.4.22.29;                                                       
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: COXSACKIEVIRUS A16;                             
SOURCE   3 ORGANISM_TAXID: 31704;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    DIAMOND LIGHT SOURCE, I03, ASAP, COXSACKIEVIRUS A16, CRYSTALLOGRAPHIC 
KEYWDS   2 FRAGMENT SCREENING, PANDDA, PANDDA2, XCHEMEXPLORER, VIRAL PROTEIN,   
KEYWDS   3 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.M.LITHGO,M.FAIRHEAD,L.KOEKEMOER,B.H.BALCOMB,E.CAPKIN,A.V.CHANDRAN,  
AUTHOR   2 M.GOLDING,A.S.GODOY,J.C.ASCHENBRENNER,P.G.MARPLES,X.NI,W.THOMPSON,   
AUTHOR   3 C.W.E.TOMLINSON,C.WILD,M.WINOKAN,M.-A.E.XAVIER,D.FEARON,F.VON DELFT  
REVDAT   2   16-OCT-24 7H4Z    1       JRNL                                     
REVDAT   1   24-APR-24 7H4Z    0                                                
JRNL        AUTH   R.M.LITHGO,C.W.E.TOMLINSON,M.FAIRHEAD,M.WINOKAN,W.THOMPSON,  
JRNL        AUTH 2 C.WILD,J.C.ASCHENBRENNER,B.H.BALCOMB,P.G.MARPLES,            
JRNL        AUTH 3 A.V.CHANDRAN,M.GOLDING,L.KOEKEMOER,E.P.WILLIAMS,S.WANG,X.NI, 
JRNL        AUTH 4 E.MACLEAN,C.GIROUD,A.S.GODOY,M.A.XAVIER,M.WALSH,D.FEARON,    
JRNL        AUTH 5 F.VON DELFT                                                  
JRNL        TITL   CRYSTALLOGRAPHIC FRAGMENT SCREEN OF COXSACKIEVIRUS A16 2A    
JRNL        TITL 2 PROTEASE IDENTIFIES NEW OPPORTUNITIES FOR THE DEVELOPMENT OF 
JRNL        TITL 3 BROAD-SPECTRUM ANTI-ENTEROVIRALS.                            
JRNL        REF    BIORXIV                                    2024              
JRNL        REFN                   ISSN 2692-8205                               
JRNL        PMID   38746446                                                     
JRNL        DOI    10.1101/2024.04.29.591684                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.71 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0267                                      
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) : 1.71                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 46.53                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 14425                          
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) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.270                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 688                             
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) : 1.71                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.75                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1025                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.56                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3410                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 42                           
REMARK   3   BIN FREE R VALUE                    : 0.3520                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1083                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 56                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.11                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.31000                                             
REMARK   3    B22 (A**2) : 0.30000                                              
REMARK   3    B33 (A**2) : 0.08000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.78000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.163         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.155         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.141         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.743         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.949                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.920                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1795 ; 0.008 ; 0.014       
REMARK   3   BOND LENGTHS OTHERS               (A):  1325 ; 0.001 ; 0.015       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2091 ; 1.428 ; 1.642       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  3036 ; 1.272 ; 1.583       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   190 ; 7.064 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    89 ;33.452 ;21.011       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   211 ;15.173 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;20.170 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   179 ; 0.067 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1923 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   401 ; 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):   864 ; 1.796 ; 3.035       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   847 ; 1.760 ; 3.001       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   938 ; 3.088 ; 4.249       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):   939 ; 3.087 ; 4.251       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   929 ; 1.910 ; 3.506       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):   928 ; 1.892 ; 3.495       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  1148 ; 2.973 ; 4.802       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  1628 ; 7.271 ;32.713       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  1621 ; 7.215 ;32.667       
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 7H4Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-APR-24.                  
REMARK 100 THE DEPOSITION ID IS D_1001407030.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-DEC-23                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.05                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I03                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.94054                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS EIGER2 XE 16M              
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15151                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.710                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.520                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.3                               
REMARK 200  DATA REDUNDANCY                : 7.000                              
REMARK 200  R MERGE                    (I) : 0.24300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.71                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.74                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 2.79100                            
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: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.17                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MES, PH 6.05, 16 % PEG 20,000,     
REMARK 280  VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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   X+1/2,Y+1/2,Z                                           
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        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  1.000000  0.000000  0.000000       36.36550            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       30.29250            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       36.36550            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       30.29250            
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 TOTAL BURIED SURFACE AREA: 480 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 7450 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 KCAL/MOL                         
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 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     GLN A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     GLY A     5                                                      
REMARK 465     GLY A     6                                                      
REMARK 465     ALA A   147                                                      
REMARK 465     MET A   148                                                      
REMARK 465     GLU A   149                                                      
REMARK 465     GLN A   150                                                      
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   O3   SO4 A   207     O3   SO4 A   207     2556     2.05            
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    GLU A  88      -47.42    112.73                                   
REMARK 500    GLU A  88      -48.99    112.73                                   
REMARK 500    ALA A  92      107.41    -37.99                                   
REMARK 500    SER A 125      -34.86   -134.86                                   
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 203  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  56   SG                                                     
REMARK 620 2 CYS A  58   SG  108.7                                              
REMARK 620 3 CYS A 116   SG  108.0 115.1                                        
REMARK 620 4 HIS A 118   ND1 109.5 101.2 114.1                                  
REMARK 620 N                    1     2     3                                   
DBREF  7H4Z A    7   150  UNP    Q65900   POLG_CX16G     869   1012             
SEQADV 7H4Z GLN A    1  UNP  Q65900              EXPRESSION TAG                 
SEQADV 7H4Z GLU A    2  UNP  Q65900              EXPRESSION TAG                 
SEQADV 7H4Z GLN A    3  UNP  Q65900              EXPRESSION TAG                 
SEQADV 7H4Z THR A    4  UNP  Q65900              EXPRESSION TAG                 
SEQADV 7H4Z GLY A    5  UNP  Q65900              EXPRESSION TAG                 
SEQADV 7H4Z GLY A    6  UNP  Q65900              EXPRESSION TAG                 
SEQRES   1 A  150  GLN GLU GLN THR GLY GLY SER GLY ALA ILE TYR VAL GLY          
SEQRES   2 A  150  ASN TYR ARG VAL VAL ASN ARG HIS LEU ALA THR HIS ASN          
SEQRES   3 A  150  ASP TRP ALA ASN LEU VAL TRP GLU ASP SER SER ARG ASP          
SEQRES   4 A  150  LEU LEU VAL SER SER THR THR ALA GLN GLY CYS ASP THR          
SEQRES   5 A  150  ILE ALA ARG CYS ASP CYS GLN THR GLY VAL TYR TYR CYS          
SEQRES   6 A  150  SER SER ARG ARG LYS HIS TYR PRO VAL SER PHE SER LYS          
SEQRES   7 A  150  PRO SER LEU ILE PHE VAL GLU ALA SER GLU TYR TYR PRO          
SEQRES   8 A  150  ALA ARG TYR GLN SER HIS LEU MET LEU ALA VAL GLY HIS          
SEQRES   9 A  150  SER GLU PRO GLY ASP CYS GLY GLY ILE LEU ARG CYS GLN          
SEQRES  10 A  150  HIS GLY VAL VAL GLY ILE VAL SER THR GLY GLY ASN GLY          
SEQRES  11 A  150  LEU VAL GLY PHE ALA ASP VAL ARG ASP LEU LEU TRP LEU          
SEQRES  12 A  150  ASP GLU GLU ALA MET GLU GLN                                  
HET    ES3  A 201       6                                                       
HET    ES3  A 202       6                                                       
HET     ZN  A 203       1                                                       
HET    DMS  A 204       4                                                       
HET    DMS  A 205       4                                                       
HET    DMS  A 206       4                                                       
HET    SO4  A 207       5                                                       
HETNAM     ES3 4-BROMO-1H-IMIDAZOLE                                             
HETNAM      ZN ZINC ION                                                         
HETNAM     DMS DIMETHYL SULFOXIDE                                               
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  ES3    2(C3 H3 BR N2)                                               
FORMUL   4   ZN    ZN 2+                                                        
FORMUL   5  DMS    3(C2 H6 O S)                                                 
FORMUL   8  SO4    O4 S 2-                                                      
FORMUL   9  HOH   *56(H2 O)                                                     
HELIX    1 AA1 HIS A   21  ALA A   23  5                                   3    
HELIX    2 AA2 THR A   24  ASN A   30  1                                   7    
HELIX    3 AA3 SER A   36  ARG A   38  5                                   3    
HELIX    4 AA4 SER A   66  ARG A   69  5                                   4    
HELIX    5 AA5 GLU A  106  CYS A  110  5                                   5    
HELIX    6 AA6 LEU A  140  GLU A  145  5                                   6    
SHEET    1 AA1 3 LEU A  31  ASP A  35  0                                        
SHEET    2 AA1 3 LEU A  40  CYS A  50 -1  O  VAL A  42   N  TRP A  33           
SHEET    3 AA1 3 ILE A  10  ASN A  19 -1  O  GLY A  13   N  GLY A  49           
SHEET    1 AA2 7 LYS A  70  SER A  75  0                                        
SHEET    2 AA2 7 THR A  60  CYS A  65 -1  N  CYS A  65   O  LYS A  70           
SHEET    3 AA2 7 ILE A 113  CYS A 116 -1  O  ARG A 115   N  VAL A  62           
SHEET    4 AA2 7 GLY A 119  GLY A 128 -1  O  VAL A 121   N  LEU A 114           
SHEET    5 AA2 7 LEU A 131  ASP A 136 -1  O  GLY A 133   N  SER A 125           
SHEET    6 AA2 7 ARG A  93  VAL A 102 -1  N  MET A  99   O  PHE A 134           
SHEET    7 AA2 7 SER A  80  VAL A  84 -1  N  VAL A  84   O  ARG A  93           
LINK         SG  CYS A  56                ZN    ZN A 203     1555   1555  2.28  
LINK         SG  CYS A  58                ZN    ZN A 203     1555   1555  2.27  
LINK         SG  CYS A 116                ZN    ZN A 203     1555   1555  2.36  
LINK         ND1 HIS A 118                ZN    ZN A 203     1555   1555  2.06  
CRYST1   72.731   60.585   32.441  90.00  92.63  90.00 C 1 2 1       4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013749  0.000000  0.000632        0.00000                         
SCALE2      0.000000  0.016506  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.030858        0.00000