HEADER    LYASE                                   20-OCT-09   3KB9              
TITLE     EPI-ISOZIZAENE SYNTHASE: COMPLEX WITH MG, INORGANIC PYROPHOSPHATE AND 
TITLE    2 BENZYL TRIETHYL AMMONIUM CATION                                      
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, ALPHA-HELICAL FOLD, FARNESYL DIPHOSPHATE, METAL-   
KEYWDS   2 BINDING, LYASE, MAGNESIUM                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.AARON,X.LIN,D.E.CANE,D.W.CHRISTIANSON                             
REVDAT   3   21-FEB-24 3KB9    1       REMARK SEQADV LINK                       
REVDAT   2   09-MAR-10 3KB9    1       JRNL                                     
REVDAT   1   09-FEB-10 3KB9    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.    1.60 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) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 26.58                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.130                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 45009                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.160                           
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : 0.189                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.960                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2232                            
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 26.5784 -  4.0221    0.98     3033   126  0.1504 0.1672        
REMARK   3     2  4.0221 -  3.1942    0.49     1487    74  0.1478 0.1874        
REMARK   3     3  3.1942 -  2.7909    0.99     2919   167  0.1581 0.1914        
REMARK   3     4  2.7909 -  2.5360    0.99     2944   161  0.1553 0.1685        
REMARK   3     5  2.5360 -  2.3543    0.99     2967   140  0.1568 0.1997        
REMARK   3     6  2.3543 -  2.2156    0.69     1744    97  0.1520 0.2013        
REMARK   3     7  2.2156 -  2.1047    0.96     2654   138  0.1526 0.1803        
REMARK   3     8  2.1047 -  2.0131    0.99     2896   177  0.1514 0.1758        
REMARK   3     9  2.0131 -  1.9356    0.97     2812   167  0.1680 0.1977        
REMARK   3    10  1.9356 -  1.8688    0.85     2502   144  0.1634 0.2215        
REMARK   3    11  1.8688 -  1.8104    0.97     2844   147  0.1599 0.1926        
REMARK   3    12  1.8104 -  1.7587    0.97     2817   155  0.1548 0.2160        
REMARK   3    13  1.7587 -  1.7124    0.96     2823   130  0.1483 0.1825        
REMARK   3    14  1.7124 -  1.6706    0.96     2860   134  0.1429 0.1712        
REMARK   3    15  1.6706 -  1.6326    0.95     2772   149  0.1525 0.1939        
REMARK   3    16  1.6326 -  1.5979    0.91     2703   126  0.1457 0.1694        
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              : 0.36                                          
REMARK   3   B_SOL              : 57.30                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.190            
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      :  0.012           3003                                  
REMARK   3   ANGLE     :  1.398           4105                                  
REMARK   3   CHIRALITY :  0.091            424                                  
REMARK   3   PLANARITY :  0.008            531                                  
REMARK   3   DIHEDRAL  : 20.943           1115                                  
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 3KB9 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_1000055776.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-DEC-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               : APS                                
REMARK 200  BEAMLINE                       : 24-ID-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.008                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46113                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 34.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.20800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.300                              
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   (%): 43.11                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16                     
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       23.68700            
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     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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    CYS A 283   CB    CYS A 283   SG     -0.110                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 148   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR A  76      -63.45   -109.72                                   
REMARK 500    ASN A 256      130.95   -176.38                                   
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                              MG A 700  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  99   OD1                                                    
REMARK 620 2 HOH A 437   O   167.2                                              
REMARK 620 3 HOH A 438   O    86.1  85.8                                        
REMARK 620 4 HOH A 440   O    86.8  83.4  91.3                                  
REMARK 620 5 HOH A 449   O    92.3  96.9 172.9  95.5                            
REMARK 620 6 POP A 703   O1   94.4  94.1  80.2 171.3  93.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 701  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  99   OD2                                                    
REMARK 620 2 HOH A 433   O   166.0                                              
REMARK 620 3 HOH A 435   O    84.0  85.7                                        
REMARK 620 4 HOH A 438   O    87.5  83.3  90.6                                  
REMARK 620 5 POP A 703   O1   94.3  94.7 172.1  81.6                            
REMARK 620 6 POP A 703   O4   97.0  92.9  92.9 174.6  94.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 702  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASN A 240   OD1                                                    
REMARK 620 2 SER A 244   OG   85.6                                              
REMARK 620 3 GLU A 248   OE2 165.3  82.7                                        
REMARK 620 4 HOH A 432   O    85.0  83.0  84.8                                  
REMARK 620 5 POP A 703   O3   92.6 174.7  98.3  92.0                            
REMARK 620 6 POP A 703   O6   97.1  92.9  92.3 175.3  92.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 700                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 702                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE POP A 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BTM A 704                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 706                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 707                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 708                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 709                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 710                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KBK   RELATED DB: PDB                                   
REMARK 900 EPI-ISOZIZAENE SYNTHASE COMPLEXED WITH HG                            
DBREF  3KB9 A    2   361  UNP    Q9K499   CYC1_STRCO       2    361             
SEQADV 3KB9 MET A  -20  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 GLY A  -19  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 SER A  -18  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 SER A  -17  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -16  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -15  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -14  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -13  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -12  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A  -11  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 SER A  -10  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 SER A   -9  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 GLY A   -8  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 LEU A   -7  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 VAL A   -6  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 PRO A   -5  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 ARG A   -4  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 GLY A   -3  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 SER A   -2  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 HIS A   -1  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 MET A    0  UNP  Q9K499              EXPRESSION TAG                 
SEQADV 3KB9 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     MG  A 700       1                                                       
HET     MG  A 701       1                                                       
HET     MG  A 702       1                                                       
HET    POP  A 703       9                                                       
HET    BTM  A 704      14                                                       
HET    SO4  A 706       5                                                       
HET    GOL  A 707       6                                                       
HET    GOL  A 708       6                                                       
HET    GOL  A 709       6                                                       
HET    GOL  A 710       6                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     POP PYROPHOSPHATE 2-                                                 
HETNAM     BTM N-BENZYL-N,N-DIETHYLETHANAMINIUM                                 
HETNAM     SO4 SULFATE ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2   MG    3(MG 2+)                                                     
FORMUL   5  POP    H2 O7 P2 2-                                                  
FORMUL   6  BTM    C13 H22 N 1+                                                 
FORMUL   7  SO4    O4 S 2-                                                      
FORMUL   8  GOL    4(C3 H8 O3)                                                  
FORMUL  12  HOH   *431(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  CYS A   68  1                                  13    
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  GLY A  182  1                                  29    
HELIX   10  10 GLY A  186  PHE A  198  1                                  13    
HELIX   11  11 ALA A  199  GLY A  212  1                                  14    
HELIX   12  12 PRO A  216  LYS A  221  1                                   6    
HELIX   13  13 HIS A  222  GLY A  251  1                                  30    
HELIX   14  14 ASN A  256  HIS A  265  1                                  10    
HELIX   15  15 THR A  268  ALA A  302  1                                  35    
HELIX   16  16 THR A  305  SER A  336  1                                  32    
HELIX   17  17 GLY A  337  TRP A  344  5                                   8    
LINK         OD1 ASP A  99                MG    MG A 700     1555   1555  2.09  
LINK         OD2 ASP A  99                MG    MG A 701     1555   1555  2.10  
LINK         OD1 ASN A 240                MG    MG A 702     1555   1555  2.07  
LINK         OG  SER A 244                MG    MG A 702     1555   1555  2.33  
LINK         OE2 GLU A 248                MG    MG A 702     1555   1555  2.07  
LINK         O   HOH A 432                MG    MG A 702     1555   1555  2.08  
LINK         O   HOH A 433                MG    MG A 701     1555   1555  2.08  
LINK         O   HOH A 435                MG    MG A 701     1555   1555  2.17  
LINK         O   HOH A 437                MG    MG A 700     1555   1555  2.11  
LINK         O   HOH A 438                MG    MG A 700     1555   1555  2.23  
LINK         O   HOH A 438                MG    MG A 701     1555   1555  2.21  
LINK         O   HOH A 440                MG    MG A 700     1555   1555  2.15  
LINK         O   HOH A 449                MG    MG A 700     1555   1555  2.16  
LINK        MG    MG A 700                 O1  POP A 703     1555   1555  2.05  
LINK        MG    MG A 701                 O1  POP A 703     1555   1555  2.01  
LINK        MG    MG A 701                 O4  POP A 703     1555   1555  2.05  
LINK        MG    MG A 702                 O3  POP A 703     1555   1555  2.08  
LINK        MG    MG A 702                 O6  POP A 703     1555   1555  2.03  
SITE     1 AC1  7 ASP A  99  HOH A 437  HOH A 438  HOH A 440                    
SITE     2 AC1  7 HOH A 449   MG A 701  POP A 703                               
SITE     1 AC2  6 ASP A  99  HOH A 433  HOH A 435  HOH A 438                    
SITE     2 AC2  6  MG A 700  POP A 703                                          
SITE     1 AC3  5 ASN A 240  SER A 244  GLU A 248  HOH A 432                    
SITE     2 AC3  5 POP A 703                                                     
SITE     1 AC4 19 ASP A  99  ARG A 194  ASN A 240  SER A 244                    
SITE     2 AC4 19 LYS A 247  GLU A 248  ARG A 338  TYR A 339                    
SITE     3 AC4 19 HOH A 432  HOH A 433  HOH A 435  HOH A 437                    
SITE     4 AC4 19 HOH A 438  HOH A 449  HOH A 498   MG A 700                    
SITE     5 AC4 19  MG A 701   MG A 702  BTM A 704                               
SITE     1 AC5 11 LEU A  72  PHE A  95  PHE A  96  ASP A  99                    
SITE     2 AC5 11 THR A 197  PHE A 198  ASN A 240  PHE A 332                    
SITE     3 AC5 11 HIS A 333  TYR A 339  POP A 703                               
SITE     1 AC6  7 ARG A 163  HIS A 164  ARG A 220  ARG A 226                    
SITE     2 AC6  7 HOH A 476  HOH A 649  GOL A 707                               
SITE     1 AC7  5 HIS A 164  TRP A 201  HOH A 495  HOH A 679                    
SITE     2 AC7  5 SO4 A 706                                                     
SITE     1 AC8  6 LEU A  23  PRO A  24  VAL A  25  GLU A 281                    
SITE     2 AC8  6 ILE A 284  THR A 285                                          
SITE     1 AC9  8 SER A  20  LEU A  21  LEU A 242  PRO A 246                    
SITE     2 AC9  8 HOH A 666  HOH A 667  HOH A 676  HOH A 735                    
SITE     1 BC1  4 LEU A 295  HOH A 431  HOH A 510  HOH A 543                    
CRYST1   53.185   47.374   75.376  90.00  95.53  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      0.018802  0.000000  0.001820        0.00000                         
SCALE2      0.000000  0.021109  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013329        0.00000