HEADER    LYASE                                   20-OCT-09   3KBK              
TITLE     EPI-ISOZIZAENE SYNTHASE COMPLEXED WITH HG                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: EPI-ISOZIZAENE SYNTHASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: EIZS, SESQUITERPENE SYNTHASE, SESQUITERPENE CYCLASE;        
COMPND   5 EC: 4.2.3.37;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: STREPTOMYCES COELICOLOR;                        
SOURCE   3 ORGANISM_TAXID: 1902;                                                
SOURCE   4 GENE: CYC1, SCO5222, SC7E4.19;                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    TERPENOID CYCLASE, MG, METAL-DEPENDANT, FARNESYL DIPHOSPHATE, HG,     
KEYWDS   2 LYASE, MAGNESIUM, METAL-BINDING                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.AARON,X.LIN,D.E.CANE,D.W.CHRISTIANSON                             
REVDAT   3   21-FEB-24 3KBK    1       REMARK SEQADV LINK                       
REVDAT   2   09-MAR-10 3KBK    1       JRNL                                     
REVDAT   1   09-FEB-10 3KBK    0                                                
JRNL        AUTH   J.A.AARON,X.LIN,D.E.CANE,D.W.CHRISTIANSON                    
JRNL        TITL   STRUCTURE OF EPI-ISOZIZAENE SYNTHASE FROM STREPTOMYCES       
JRNL        TITL 2 COELICOLOR A3(2), A PLATFORM FOR NEW TERPENOID CYCLIZATION   
JRNL        TITL 3 TEMPLATES                                                    
JRNL        REF    BIOCHEMISTRY                  V.  49  1787 2010              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   20131801                                                     
JRNL        DOI    10.1021/BI902088Z                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.74                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.080                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 95.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 53144                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.171                           
REMARK   3   R VALUE            (WORKING SET) : 0.169                           
REMARK   3   FREE R VALUE                     : 0.202                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.940                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2626                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 37.7514 -  5.0653    0.99     2765   124  0.1882 0.2083        
REMARK   3     2  5.0653 -  4.0219    0.99     2732   163  0.1514 0.1859        
REMARK   3     3  4.0219 -  3.5139    0.98     2709   174  0.1540 0.1903        
REMARK   3     4  3.5139 -  3.1928    0.99     2737   158  0.1667 0.2064        
REMARK   3     5  3.1928 -  2.9641    0.97     2702   133  0.1714 0.2025        
REMARK   3     6  2.9641 -  2.7894    0.99     2742   131  0.1625 0.2128        
REMARK   3     7  2.7894 -  2.6497    0.98     2739   129  0.1652 0.1678        
REMARK   3     8  2.6497 -  2.5344    0.98     2703   141  0.1580 0.1479        
REMARK   3     9  2.5344 -  2.4369    0.97     2717   110  0.1508 0.1757        
REMARK   3    10  2.4369 -  2.3528    0.97     2684   141  0.1428 0.1637        
REMARK   3    11  2.3528 -  2.2792    0.95     2687   146  0.1599 0.1916        
REMARK   3    12  2.2792 -  2.2141    0.95     2632   123  0.1694 0.2260        
REMARK   3    13  2.2141 -  2.1558    0.93     2564   113  0.1670 0.1536        
REMARK   3    14  2.1558 -  2.1032    0.95     2647   139  0.1618 0.2107        
REMARK   3    15  2.1032 -  2.0554    0.94     2591   139  0.1824 0.2320        
REMARK   3    16  2.0554 -  2.0117    0.92     2631   115  0.1734 0.1954        
REMARK   3    17  2.0117 -  1.9714    0.92     2533   150  0.1788 0.2225        
REMARK   3    18  1.9714 -  1.9342    0.90     2431   132  0.2007 0.2208        
REMARK   3    19  1.9342 -  1.8997    0.91     2572   165  0.2277 0.2931        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.34                                          
REMARK   3   B_SOL              : 44.94                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.230            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : NULL             
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.005           2595                                  
REMARK   3   ANGLE     :  0.832           3534                                  
REMARK   3   CHIRALITY :  0.059            364                                  
REMARK   3   PLANARITY :  0.004            459                                  
REMARK   3   DIHEDRAL  : 14.848            919                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3KBK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-OCT-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000055786.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-OCT-08                          
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0548                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 53144                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
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     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY                : 5.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.07500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.10                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.32500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 3350, 0.2 M AMMONIUM SULFATE,    
REMARK 280  0.1 M BIS-TRIS, PH 5.5, VAPOR DIFFUSION, HANGING DROP,              
REMARK 280  TEMPERATURE 293K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       23.27450            
REMARK 290   SMTRY3   2  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 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   -20                                                      
REMARK 465     GLY A   -19                                                      
REMARK 465     SER A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     HIS A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     SER A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     GLY A    -8                                                      
REMARK 465     LEU A    -7                                                      
REMARK 465     VAL A    -6                                                      
REMARK 465     PRO A    -5                                                      
REMARK 465     ARG A    -4                                                      
REMARK 465     GLY A    -3                                                      
REMARK 465     SER A    -2                                                      
REMARK 465     HIS A    -1                                                      
REMARK 465     MET A     0                                                      
REMARK 465     VAL A     1                                                      
REMARK 465     HIS A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     PHE A     4                                                      
REMARK 465     PRO A     5                                                      
REMARK 465     HIS A     6                                                      
REMARK 465     GLY A     7                                                      
REMARK 465     THR A     8                                                      
REMARK 465     THR A     9                                                      
REMARK 465     ALA A    10                                                      
REMARK 465     THR A    11                                                      
REMARK 465     PRO A    12                                                      
REMARK 465     THR A    13                                                      
REMARK 465     ALA A    14                                                      
REMARK 465     ILE A    15                                                      
REMARK 465     ALA A    16                                                      
REMARK 465     VAL A   187                                                      
REMARK 465     GLY A   251                                                      
REMARK 465     ASP A   252                                                      
REMARK 465     GLU A   253                                                      
REMARK 465     VAL A   254                                                      
REMARK 465     HIS A   255                                                      
REMARK 465     ASN A   256                                                      
REMARK 465     LEU A   257                                                      
REMARK 465     GLY A   258                                                      
REMARK 465     ILE A   259                                                      
REMARK 465     SER A   260                                                      
REMARK 465     LEU A   261                                                      
REMARK 465     ILE A   262                                                      
REMARK 465     THR A   263                                                      
REMARK 465     HIS A   264                                                      
REMARK 465     HIS A   265                                                      
REMARK 465     SER A   266                                                      
REMARK 465     LEU A   267                                                      
REMARK 465     MET A   340                                                      
REMARK 465     VAL A   341                                                      
REMARK 465     ASP A   342                                                      
REMARK 465     SER A   343                                                      
REMARK 465     TRP A   344                                                      
REMARK 465     ASP A   345                                                      
REMARK 465     ASP A   346                                                      
REMARK 465     ARG A   347                                                      
REMARK 465     SER A   348                                                      
REMARK 465     THR A   349                                                      
REMARK 465     PRO A   350                                                      
REMARK 465     PRO A   351                                                      
REMARK 465     TYR A   352                                                      
REMARK 465     VAL A   353                                                      
REMARK 465     ASN A   354                                                      
REMARK 465     ASN A   355                                                      
REMARK 465     GLU A   356                                                      
REMARK 465     ALA A   357                                                      
REMARK 465     ALA A   358                                                      
REMARK 465     GLY A   359                                                      
REMARK 465     GLU A   360                                                      
REMARK 465     LYS A   361                                                      
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     GLU A 135    CG   CD   OE1  OE2                                  
REMARK 470     PRO A 185    CG   CD                                             
REMARK 470     GLU A 248    CG   CD   OE1  OE2                                  
REMARK 470     ILE A 249    CG1  CG2  CD1                                       
REMARK 470     THR A 268    OG1  CG2                                            
REMARK 470     LEU A 269    CG   CD1  CD2                                       
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ARG A   22   NH2                                                 
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    TYR A  76      -60.02   -121.89                                   
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                              HG A 804  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 213   SG                                                     
REMARK 620 2 ARG A 307   NH1 151.1                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 802  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 234   OE1                                                    
REMARK 620 2 CYS A 283   SG  104.6                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              HG A 802  HG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ARG A 279   O                                                      
REMARK 620 2 CYS A 283   SG   92.5                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 801                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 802                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 803                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 804                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 706                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 703                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 704                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 362                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KB9   RELATED DB: PDB                                   
REMARK 900 SAME PROTEIN COMPLEXED WITH MG, INORGANIC PYROPHOSPHATE AND BENZYL   
REMARK 900 TRIETHYL AMMONIUM CATION                                             
DBREF  3KBK A    2   361  UNP    Q9K499   CYC1_STRCO       2    361             
SEQADV 3KBK MET A  -20  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK GLY A  -19  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK SER A  -18  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK SER A  -17  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -16  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -15  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -14  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -13  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -12  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A  -11  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK SER A  -10  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK SER A   -9  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK GLY A   -8  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK LEU A   -7  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK VAL A   -6  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK PRO A   -5  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK ARG A   -4  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK GLY A   -3  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK SER A   -2  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK HIS A   -1  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK MET A    0  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KBK VAL A    1  UNP  Q9K499              EXPRESSION TAG                 
SEQRES   1 A  382  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  382  LEU VAL PRO ARG GLY SER HIS MET VAL HIS ALA PHE PRO          
SEQRES   3 A  382  HIS GLY THR THR ALA THR PRO THR ALA ILE ALA VAL PRO          
SEQRES   4 A  382  PRO SER LEU ARG LEU PRO VAL ILE GLU ALA ALA PHE PRO          
SEQRES   5 A  382  ARG GLN LEU HIS PRO TYR TRP PRO LYS LEU GLN GLU THR          
SEQRES   6 A  382  THR ARG THR TRP LEU LEU GLU LYS ARG LEU MET PRO ALA          
SEQRES   7 A  382  ASP LYS VAL GLU GLU TYR ALA ASP GLY LEU CYS TYR THR          
SEQRES   8 A  382  ASP LEU MET ALA GLY TYR TYR LEU GLY ALA PRO ASP GLU          
SEQRES   9 A  382  VAL LEU GLN ALA ILE ALA ASP TYR SER ALA TRP PHE PHE          
SEQRES  10 A  382  VAL TRP ASP ASP ARG HIS ASP ARG ASP ILE VAL HIS GLY          
SEQRES  11 A  382  ARG ALA GLY ALA TRP ARG ARG LEU ARG GLY LEU LEU HIS          
SEQRES  12 A  382  THR ALA LEU ASP SER PRO GLY ASP HIS LEU HIS HIS GLU          
SEQRES  13 A  382  ASP THR LEU VAL ALA GLY PHE ALA ASP SER VAL ARG ARG          
SEQRES  14 A  382  LEU TYR ALA PHE LEU PRO ALA THR TRP ASN ALA ARG PHE          
SEQRES  15 A  382  ALA ARG HIS PHE HIS THR VAL ILE GLU ALA TYR ASP ARG          
SEQRES  16 A  382  GLU PHE HIS ASN ARG THR ARG GLY ILE VAL PRO GLY VAL          
SEQRES  17 A  382  GLU GLU TYR LEU GLU LEU ARG ARG LEU THR PHE ALA HIS          
SEQRES  18 A  382  TRP ILE TRP THR ASP LEU LEU GLU PRO SER SER GLY CYS          
SEQRES  19 A  382  GLU LEU PRO ASP ALA VAL ARG LYS HIS PRO ALA TYR ARG          
SEQRES  20 A  382  ARG ALA ALA LEU LEU SER GLN GLU PHE ALA ALA TRP TYR          
SEQRES  21 A  382  ASN ASP LEU CYS SER LEU PRO LYS GLU ILE ALA GLY ASP          
SEQRES  22 A  382  GLU VAL HIS ASN LEU GLY ILE SER LEU ILE THR HIS HIS          
SEQRES  23 A  382  SER LEU THR LEU GLU GLU ALA ILE GLY GLU VAL ARG ARG          
SEQRES  24 A  382  ARG VAL GLU GLU CYS ILE THR GLU PHE LEU ALA VAL GLU          
SEQRES  25 A  382  ARG ASP ALA LEU ARG PHE ALA ASP GLU LEU ALA ASP GLY          
SEQRES  26 A  382  THR VAL ARG GLY LYS GLU LEU SER GLY ALA VAL ARG ALA          
SEQRES  27 A  382  ASN VAL GLY ASN MET ARG ASN TRP PHE SER SER VAL TYR          
SEQRES  28 A  382  TRP PHE HIS HIS GLU SER GLY ARG TYR MET VAL ASP SER          
SEQRES  29 A  382  TRP ASP ASP ARG SER THR PRO PRO TYR VAL ASN ASN GLU          
SEQRES  30 A  382  ALA ALA GLY GLU LYS                                          
HET     HG  A 801       1                                                       
HET     HG  A 802       2                                                       
HET     HG  A 803       1                                                       
HET     HG  A 804       2                                                       
HET    SO4  A 706       5                                                       
HET     CL  A 701       1                                                       
HET     CL  A 703       1                                                       
HET     CL  A 704       1                                                       
HET     NA  A 362       1                                                       
HETNAM      HG MERCURY (II) ION                                                 
HETNAM     SO4 SULFATE ION                                                      
HETNAM      CL CHLORIDE ION                                                     
HETNAM      NA SODIUM ION                                                       
FORMUL   2   HG    4(HG 2+)                                                     
FORMUL   6  SO4    O4 S 2-                                                      
FORMUL   7   CL    3(CL 1-)                                                     
FORMUL  10   NA    NA 1+                                                        
FORMUL  11  HOH   *335(H2 O)                                                    
HELIX    1   1 LEU A   23  PHE A   30  1                                   8    
HELIX    2   2 TYR A   37  LYS A   52  1                                  16    
HELIX    3   3 PRO A   56  GLY A   66  1                                  11    
HELIX    4   4 CYS A   68  GLY A   75  1                                   8    
HELIX    5   5 PRO A   81  HIS A  108  1                                  28    
HELIX    6   6 ARG A  110  SER A  127  1                                  18    
HELIX    7   7 PRO A  128  LEU A  132  5                                   5    
HELIX    8   8 ASP A  136  TYR A  150  1                                  15    
HELIX    9   9 PRO A  154  ARG A  181  1                                  28    
HELIX   10  10 ARG A  194  PHE A  198  5                                   5    
HELIX   11  11 ALA A  199  LEU A  206  1                                   8    
HELIX   12  12 LEU A  206  SER A  211  1                                   6    
HELIX   13  13 PRO A  216  LYS A  221  1                                   6    
HELIX   14  14 HIS A  222  LEU A  245  1                                  24    
HELIX   15  15 PRO A  246  ALA A  250  5                                   5    
HELIX   16  16 THR A  268  ALA A  302  1                                  35    
HELIX   17  17 THR A  305  GLY A  337  1                                  33    
LINK         SG  CYS A  68                HG    HG A 801     1555   1555  2.43  
LINK         ND1 HIS A 200                NA    NA A 362     1555   1555  2.16  
LINK         SG BCYS A 213                HG  B HG A 804     1555   1555  2.42  
LINK         SG ACYS A 213                HG  A HG A 804     1555   1555  2.86  
LINK         OE1 GLU A 234                HG  B HG A 802     1555   1555  2.68  
LINK         SG  CYS A 243                HG    HG A 803     1555   1555  2.52  
LINK         O   ARG A 279                HG  A HG A 802     1555   1555  2.97  
LINK         SG  CYS A 283                HG  B HG A 802     1555   1555  2.31  
LINK         SG  CYS A 283                HG  A HG A 802     1555   1555  2.42  
LINK         NH1 ARG A 307                HG  B HG A 804     1555   1555  2.71  
SITE     1 AC1  3 TYR A  63  CYS A  68   CL A 701                               
SITE     1 AC2  5 GLU A 234  TRP A 238  ARG A 279  CYS A 283                    
SITE     2 AC2  5  CL A 703                                                     
SITE     1 AC3  4 TYR A 239  CYS A 243  HIS A 333   CL A 704                    
SITE     1 AC4  2 CYS A 213  ARG A 307                                          
SITE     1 AC5  7 ARG A 163  HIS A 164  ARG A 220  LYS A 221                    
SITE     2 AC5  7 ARG A 226  HOH A 519  HOH A 634                               
SITE     1 AC6  3 THR A  45  ALA A  64   HG A 801                               
SITE     1 AC7  2 GLU A 282   HG A 802                                          
SITE     1 AC8  1  HG A 803                                                     
SITE     1 AC9  2 HIS A 200  TRP A 201                                          
CRYST1   51.693   46.549   75.551  90.00  92.34  90.00 P 1 21 1      2          
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      0.019345  0.000000  0.000791        0.00000                         
SCALE2      0.000000  0.021483  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013247        0.00000