HEADER    LYASE                                   31-JUL-99   1C96              
TITLE     S642A:CITRATE COMPLEX OF ACONITASE                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MITOCHONDRIAL ACONITASE;                                   
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CITRATE HYDRO-LYASE;                                        
COMPND   5 EC: 4.2.1.3;                                                         
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 ORGAN: HEART;                                                        
SOURCE   6 ORGANELLE: MITOCHONDRIA;                                             
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21-DE3                                   
KEYWDS    LYASE, TRICARBOXYLIC ACID CYCLE, IRON-SULFUR, MITOCHONDRION, TRANSIT  
KEYWDS   2 PEPTIDE, 4FE-4S                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.J.LLOYD,H.LAUBLE,G.S.PRASAD,C.D.STOUT                               
REVDAT   8   07-FEB-24 1C96    1       REMARK SEQADV LINK                       
REVDAT   7   06-FEB-19 1C96    1       REMARK ATOM                              
REVDAT   6   14-MAR-18 1C96    1       SEQADV                                   
REVDAT   5   04-OCT-17 1C96    1       REMARK                                   
REVDAT   4   24-FEB-09 1C96    1       VERSN                                    
REVDAT   3   01-APR-03 1C96    1       JRNL                                     
REVDAT   2   07-JAN-00 1C96    1       JRNL   COMPND                            
REVDAT   1   12-AUG-99 1C96    0                                                
JRNL        AUTH   S.J.LLOYD,H.LAUBLE,G.S.PRASAD,C.D.STOUT                      
JRNL        TITL   THE MECHANISM OF ACONITASE: 1.8 A RESOLUTION CRYSTAL         
JRNL        TITL 2 STRUCTURE OF THE S642A:CITRATE COMPLEX.                      
JRNL        REF    PROTEIN SCI.                  V.   8  2655 1999              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   10631981                                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.81 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.81                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 75071                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.225                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5811                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 22                                      
REMARK   3   SOLVENT ATOMS            : 677                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 29.20                          
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.019                           
REMARK   3   BOND ANGLES            (DEGREES) : 3.490                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1C96 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-AUG-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009448.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-APR-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.                               
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.08                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, ROTAVATA           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 285614                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.810                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY                : 3.500                              
REMARK 200  R MERGE                    (I) : 0.07100                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 5.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.81                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.37200                            
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: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.6 M AMMONIUM SULFATE 0.35 M SODIUM     
REMARK 280  CHLORIDE 0.25 M BIS-TRIS, PH 7.0, VAPOR DIFFUSION, TEMPERATURE      
REMARK 280  295K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
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       88.05000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.70000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       88.05000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       35.70000            
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 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: 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    HIS A   9   NE2   HIS A   9   CD2    -0.069                       
REMARK 500    HIS A  13   NE2   HIS A  13   CD2    -0.069                       
REMARK 500    HIS A  46   NE2   HIS A  46   CD2    -0.081                       
REMARK 500    HIS A 241   NE2   HIS A 241   CD2    -0.072                       
REMARK 500    HIS A 274   CG    HIS A 274   CD2     0.056                       
REMARK 500    HIS A 298   NE2   HIS A 298   CD2    -0.073                       
REMARK 500    HIS A 332   NE2   HIS A 332   CD2    -0.066                       
REMARK 500    HIS A 379   NE2   HIS A 379   CD2    -0.072                       
REMARK 500    HIS A 460   NE2   HIS A 460   CD2    -0.072                       
REMARK 500    HIS A 582   NE2   HIS A 582   CD2    -0.067                       
REMARK 500    HIS A 626   NE2   HIS A 626   CD2    -0.080                       
REMARK 500    SER A 643   N     SER A 643   CA     -0.179                       
REMARK 500    HIS A 646   NE2   HIS A 646   CD2    -0.076                       
REMARK 500    HIS A 668   NE2   HIS A 668   CD2    -0.075                       
REMARK 500    HIS A 692   NE2   HIS A 692   CD2    -0.068                       
REMARK 500    HIS A 717   NE2   HIS A 717   CD2    -0.067                       
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   2   NE  -  CZ  -  NH2 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A  31   NE  -  CZ  -  NH2 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG A  34   NE  -  CZ  -  NH1 ANGL. DEV. =  -4.0 DEGREES          
REMARK 500    ARG A  57   NE  -  CZ  -  NH2 ANGL. DEV. =   3.5 DEGREES          
REMARK 500    THR A  60   N   -  CA  -  CB  ANGL. DEV. = -12.3 DEGREES          
REMARK 500    ARG A  63   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.4 DEGREES          
REMARK 500    ARG A 114   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A 114   NE  -  CZ  -  NH2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ARG A 115   NE  -  CZ  -  NH2 ANGL. DEV. =   3.9 DEGREES          
REMARK 500    TRP A 139   CD1 -  CG  -  CD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    TRP A 139   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500    TRP A 139   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.0 DEGREES          
REMARK 500    TYR A 156   CB  -  CG  -  CD2 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    ASP A 188   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    TRP A 195   CD1 -  CG  -  CD2 ANGL. DEV. =   8.7 DEGREES          
REMARK 500    TRP A 195   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.3 DEGREES          
REMARK 500    TRP A 195   CE2 -  CD2 -  CG  ANGL. DEV. =  -7.3 DEGREES          
REMARK 500    TRP A 214   CD1 -  CG  -  CD2 ANGL. DEV. =   5.4 DEGREES          
REMARK 500    TRP A 214   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.4 DEGREES          
REMARK 500    ARG A 275   NE  -  CZ  -  NH2 ANGL. DEV. =   3.0 DEGREES          
REMARK 500    ASP A 287   CB  -  CG  -  OD1 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    PRO A 325   CA  -  C   -  N   ANGL. DEV. =  19.5 DEGREES          
REMARK 500    THR A 327   N   -  CA  -  CB  ANGL. DEV. =  11.7 DEGREES          
REMARK 500    TRP A 346   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    TRP A 346   CE2 -  CD2 -  CG  ANGL. DEV. =  -6.0 DEGREES          
REMARK 500    SER A 357   CA  -  C   -  N   ANGL. DEV. = -18.3 DEGREES          
REMARK 500    SER A 357   O   -  C   -  N   ANGL. DEV. =  10.9 DEGREES          
REMARK 500    CYS A 358   CA  -  CB  -  SG  ANGL. DEV. =  13.4 DEGREES          
REMARK 500    TYR A 363   CB  -  CG  -  CD1 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ARG A 397   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    ARG A 397   NE  -  CZ  -  NH2 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ARG A 402   NE  -  CZ  -  NH1 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500    ARG A 402   NE  -  CZ  -  NH2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    TYR A 405   CB  -  CG  -  CD2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500    TYR A 405   CB  -  CG  -  CD1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG A 410   NE  -  CZ  -  NH1 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    ARG A 410   NE  -  CZ  -  NH2 ANGL. DEV. =   4.8 DEGREES          
REMARK 500    TRP A 428   CD1 -  CG  -  CD2 ANGL. DEV. =   5.2 DEGREES          
REMARK 500    ARG A 430   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ARG A 430   NE  -  CZ  -  NH2 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    TYR A 445   CB  -  CG  -  CD2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ASP A 485   N   -  CA  -  C   ANGL. DEV. =  19.0 DEGREES          
REMARK 500    PHE A 486   N   -  CA  -  C   ANGL. DEV. =  20.0 DEGREES          
REMARK 500    LEU A 487   CA  -  CB  -  CG  ANGL. DEV. =  15.4 DEGREES          
REMARK 500    LYS A 490   CA  -  CB  -  CG  ANGL. DEV. =  17.5 DEGREES          
REMARK 500    LYS A 494   CA  -  C   -  N   ANGL. DEV. = -13.7 DEGREES          
REMARK 500    PHE A 495   N   -  CA  -  C   ANGL. DEV. =  16.4 DEGREES          
REMARK 500    ARG A 507   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    LEU A 538   CA  -  CB  -  CG  ANGL. DEV. =  13.9 DEGREES          
REMARK 500    TRP A 547   CD1 -  CG  -  CD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      73 ANGLE DEVIATIONS.                             
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    ARG A  17       66.15   -107.56                                   
REMARK 500    GLN A 106      -58.86   -141.94                                   
REMARK 500    PRO A 169      -19.36    -44.00                                   
REMARK 500    CYS A 199      109.05    -44.52                                   
REMARK 500    THR A 229      170.71     61.02                                   
REMARK 500    SER A 357       96.25     32.48                                   
REMARK 500    CYS A 358      -45.46     56.53                                   
REMARK 500    PRO A 423      -36.99    -37.03                                   
REMARK 500    LYS A 431      -39.89     75.22                                   
REMARK 500    SER A 444       41.22   -107.21                                   
REMARK 500    TYR A 445     -150.26    -94.73                                   
REMARK 500    ASN A 448       38.00   -143.70                                   
REMARK 500    THR A 450      109.86    -59.68                                   
REMARK 500    ASP A 485     -179.84    -50.52                                   
REMARK 500    THR A 488      -71.22   -125.02                                   
REMARK 500    LYS A 493     -162.06    -69.49                                   
REMARK 500    LYS A 494       99.16    -48.89                                   
REMARK 500    PHE A 495      -25.74    -29.08                                   
REMARK 500    GLN A 514        1.94    -60.26                                   
REMARK 500    ASP A 515       95.01     64.41                                   
REMARK 500    ALA A 572      152.40    -49.44                                   
REMARK 500    ALA A 573     -133.04    -98.90                                   
REMARK 500    ASP A 635     -133.29    -91.39                                   
REMARK 500    ARG A 644      116.01    -39.07                                   
REMARK 500    ASN A 719       20.26    -70.44                                   
REMARK 500    GLN A 753      -88.00     63.93                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLY A  324     PRO A  325                   38.70                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG A 580         0.07    SIDE CHAIN                              
REMARK 500    TYR A 622         0.07    SIDE CHAIN                              
REMARK 500    ARG A 666         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 986        DISTANCE =  5.87 ANGSTROMS                       
REMARK 525    HOH A1034        DISTANCE =  8.48 ANGSTROMS                       
REMARK 525    HOH A1106        DISTANCE =  9.80 ANGSTROMS                       
REMARK 525    HOH A1149        DISTANCE =  7.29 ANGSTROMS                       
REMARK 525    HOH A1165        DISTANCE =  6.78 ANGSTROMS                       
REMARK 525    HOH A1176        DISTANCE =  7.69 ANGSTROMS                       
REMARK 525    HOH A1179        DISTANCE =  6.38 ANGSTROMS                       
REMARK 525    HOH A1199        DISTANCE =  6.53 ANGSTROMS                       
REMARK 525    HOH A1203        DISTANCE =  7.79 ANGSTROMS                       
REMARK 525    HOH A1206        DISTANCE =  6.11 ANGSTROMS                       
REMARK 525    HOH A1212        DISTANCE =  8.63 ANGSTROMS                       
REMARK 525    HOH A1218        DISTANCE =  7.22 ANGSTROMS                       
REMARK 525    HOH A1221        DISTANCE =  7.14 ANGSTROMS                       
REMARK 525    HOH A1226        DISTANCE =  6.05 ANGSTROMS                       
REMARK 525    HOH A1257        DISTANCE =  7.04 ANGSTROMS                       
REMARK 525    HOH A1264        DISTANCE =  5.83 ANGSTROMS                       
REMARK 525    HOH A1278        DISTANCE =  7.25 ANGSTROMS                       
REMARK 525    HOH A1283        DISTANCE =  5.94 ANGSTROMS                       
REMARK 525    HOH A1289        DISTANCE =  6.04 ANGSTROMS                       
REMARK 525    HOH A1292        DISTANCE =  6.23 ANGSTROMS                       
REMARK 525    HOH A1295        DISTANCE =  6.66 ANGSTROMS                       
REMARK 525    HOH A1300        DISTANCE =  7.18 ANGSTROMS                       
REMARK 525    HOH A1318        DISTANCE =  6.35 ANGSTROMS                       
REMARK 525    HOH A1337        DISTANCE =  6.00 ANGSTROMS                       
REMARK 525    HOH A1346        DISTANCE =  6.47 ANGSTROMS                       
REMARK 525    HOH A1353        DISTANCE =  5.85 ANGSTROMS                       
REMARK 525    HOH A1359        DISTANCE =  7.51 ANGSTROMS                       
REMARK 525    HOH A1361        DISTANCE =  8.85 ANGSTROMS                       
REMARK 525    HOH A1369        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH A1381        DISTANCE =  5.86 ANGSTROMS                       
REMARK 525    HOH A1384        DISTANCE =  7.36 ANGSTROMS                       
REMARK 525    HOH A1389        DISTANCE =  7.20 ANGSTROMS                       
REMARK 525    HOH A1392        DISTANCE =  6.79 ANGSTROMS                       
REMARK 525    HOH A1397        DISTANCE =  6.63 ANGSTROMS                       
REMARK 525    HOH A1401        DISTANCE =  5.96 ANGSTROMS                       
REMARK 525    HOH A1402        DISTANCE =  6.97 ANGSTROMS                       
REMARK 525    HOH A1407        DISTANCE =  7.12 ANGSTROMS                       
REMARK 525    HOH A1410        DISTANCE =  6.13 ANGSTROMS                       
REMARK 525    HOH A1411        DISTANCE =  5.96 ANGSTROMS                       
REMARK 525    HOH A1418        DISTANCE =  7.26 ANGSTROMS                       
REMARK 525    HOH A1421        DISTANCE =  7.13 ANGSTROMS                       
REMARK 525    HOH A1429        DISTANCE =  6.21 ANGSTROMS                       
REMARK 525    HOH A1432        DISTANCE =  7.07 ANGSTROMS                       
REMARK 525    HOH A1433        DISTANCE =  6.46 ANGSTROMS                       
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                             SF4 A 755  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 358   SG                                                     
REMARK 620 2 SF4 A 755   S2  114.3                                              
REMARK 620 3 SF4 A 755   S3  121.0 100.0                                        
REMARK 620 4 SF4 A 755   S4  111.3 100.8 107.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 755  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 421   SG                                                     
REMARK 620 2 SF4 A 755   S1  100.0                                              
REMARK 620 3 SF4 A 755   S2  132.5  96.9                                        
REMARK 620 4 SF4 A 755   S4  114.1 108.6 101.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 755  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 424   SG                                                     
REMARK 620 2 SF4 A 755   S1  116.5                                              
REMARK 620 3 SF4 A 755   S3  106.0 103.5                                        
REMARK 620 4 SF4 A 755   S4  114.7 108.7 106.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 755  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 FLC A 756   OB1                                                    
REMARK 620 2 SF4 A 755   S1   88.8                                              
REMARK 620 3 SF4 A 755   S2  164.6  96.0                                        
REMARK 620 4 SF4 A 755   S3   94.9 105.5  97.8                                  
REMARK 620 5   O A1500   O    69.7 149.2  99.8  98.3                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FLC A 756                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 755                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE O A 1500                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1C97   RELATED DB: PDB                                   
REMARK 900 S642A MUTANT OF ACONITASE, ISOCITRATE COMPLEX                        
DBREF  1C96 A    2   754  UNP    P20004   ACON_BOVIN      29    782             
SEQADV 1C96 HIS A   13  UNP  P20004    ASN    41 CONFLICT                       
SEQADV 1C96 ASP A   26  UNP  P20004    ASN    54 CONFLICT                       
SEQADV 1C96 PRO A  303  UNP  P20004    SER   331 CONFLICT                       
SEQADV 1C96 VAL A  310  UNP  P20004    LEU   338 CONFLICT                       
SEQADV 1C96 LYS A  382  UNP  P20004    GLN   410 CONFLICT                       
SEQADV 1C96 VAL A  408  UNP  P20004    ILE   436 CONFLICT                       
SEQADV 1C96 ARG A  528  UNP  P20004    GLU   556 CONFLICT                       
SEQADV 1C96 ALA A  530  UNP  P20004    ASP   558 CONFLICT                       
SEQADV 1C96 LYS A  550  UNP  P20004    ARG   578 CONFLICT                       
SEQADV 1C96 ILE A  597  UNP  P20004    VAL   625 CONFLICT                       
SEQADV 1C96 ARG A  600  UNP  P20004    GLY   628 CONFLICT                       
SEQADV 1C96 GLN A  625  UNP  P20004    LYS   653 CONFLICT                       
SEQADV 1C96 ALA A  642  UNP  P20004    SER   670 ENGINEERED MUTATION            
SEQADV 1C96 SER A  647  UNP  P20004    ALA   675 CONFLICT                       
SEQADV 1C96 GLN A  700  UNP  P20004    LYS   728 CONFLICT                       
SEQADV 1C96 LYS A  712  UNP  P20004    THR   740 CONFLICT                       
SEQADV 1C96 GLN A  753  UNP  P20004    LYS   781 CONFLICT                       
SEQRES   1 A  753  ARG ALA LYS VAL ALA MET SER HIS PHE GLU PRO HIS GLU          
SEQRES   2 A  753  TYR ILE ARG TYR ASP LEU LEU GLU LYS ASN ILE ASP ILE          
SEQRES   3 A  753  VAL ARG LYS ARG LEU ASN ARG PRO LEU THR LEU SER GLU          
SEQRES   4 A  753  LYS ILE VAL TYR GLY HIS LEU ASP ASP PRO ALA ASN GLN          
SEQRES   5 A  753  GLU ILE GLU ARG GLY LYS THR TYR LEU ARG LEU ARG PRO          
SEQRES   6 A  753  ASP ARG VAL ALA MET GLN ASP ALA THR ALA GLN MET ALA          
SEQRES   7 A  753  MET LEU GLN PHE ILE SER SER GLY LEU PRO LYS VAL ALA          
SEQRES   8 A  753  VAL PRO SER THR ILE HIS CYS ASP HIS LEU ILE GLU ALA          
SEQRES   9 A  753  GLN LEU GLY GLY GLU LYS ASP LEU ARG ARG ALA LYS ASP          
SEQRES  10 A  753  ILE ASN GLN GLU VAL TYR ASN PHE LEU ALA THR ALA GLY          
SEQRES  11 A  753  ALA LYS TYR GLY VAL GLY PHE TRP ARG PRO GLY SER GLY          
SEQRES  12 A  753  ILE ILE HIS GLN ILE ILE LEU GLU ASN TYR ALA TYR PRO          
SEQRES  13 A  753  GLY VAL LEU LEU ILE GLY THR ASP SER HIS THR PRO ASN          
SEQRES  14 A  753  GLY GLY GLY LEU GLY GLY ILE CYS ILE GLY VAL GLY GLY          
SEQRES  15 A  753  ALA ASP ALA VAL ASP VAL MET ALA GLY ILE PRO TRP GLU          
SEQRES  16 A  753  LEU LYS CYS PRO LYS VAL ILE GLY VAL LYS LEU THR GLY          
SEQRES  17 A  753  SER LEU SER GLY TRP THR SER PRO LYS ASP VAL ILE LEU          
SEQRES  18 A  753  LYS VAL ALA GLY ILE LEU THR VAL LYS GLY GLY THR GLY          
SEQRES  19 A  753  ALA ILE VAL GLU TYR HIS GLY PRO GLY VAL ASP SER ILE          
SEQRES  20 A  753  SER CYS THR GLY MET ALA THR ILE CYS ASN MET GLY ALA          
SEQRES  21 A  753  GLU ILE GLY ALA THR THR SER VAL PHE PRO TYR ASN HIS          
SEQRES  22 A  753  ARG MET LYS LYS TYR LEU SER LYS THR GLY ARG ALA ASP          
SEQRES  23 A  753  ILE ALA ASN LEU ALA ASP GLU PHE LYS ASP HIS LEU VAL          
SEQRES  24 A  753  PRO ASP PRO GLY CYS HIS TYR ASP GLN VAL ILE GLU ILE          
SEQRES  25 A  753  ASN LEU SER GLU LEU LYS PRO HIS ILE ASN GLY PRO PHE          
SEQRES  26 A  753  THR PRO ASP LEU ALA HIS PRO VAL ALA GLU VAL GLY SER          
SEQRES  27 A  753  VAL ALA GLU LYS GLU GLY TRP PRO LEU ASP ILE ARG VAL          
SEQRES  28 A  753  GLY LEU ILE GLY SER CYS THR ASN SER SER TYR GLU ASP          
SEQRES  29 A  753  MET GLY ARG SER ALA ALA VAL ALA LYS GLN ALA LEU ALA          
SEQRES  30 A  753  HIS GLY LEU LYS CYS LYS SER GLN PHE THR ILE THR PRO          
SEQRES  31 A  753  GLY SER GLU GLN ILE ARG ALA THR ILE GLU ARG ASP GLY          
SEQRES  32 A  753  TYR ALA GLN VAL LEU ARG ASP VAL GLY GLY ILE VAL LEU          
SEQRES  33 A  753  ALA ASN ALA CYS GLY PRO CYS ILE GLY GLN TRP ASP ARG          
SEQRES  34 A  753  LYS ASP ILE LYS LYS GLY GLU LYS ASN THR ILE VAL THR          
SEQRES  35 A  753  SER TYR ASN ARG ASN PHE THR GLY ARG ASN ASP ALA ASN          
SEQRES  36 A  753  PRO GLU THR HIS ALA PHE VAL THR SER PRO GLU ILE VAL          
SEQRES  37 A  753  THR ALA LEU ALA ILE ALA GLY THR LEU LYS PHE ASN PRO          
SEQRES  38 A  753  GLU THR ASP PHE LEU THR GLY LYS ASP GLY LYS LYS PHE          
SEQRES  39 A  753  LYS LEU GLU ALA PRO ASP ALA ASP GLU LEU PRO ARG ALA          
SEQRES  40 A  753  GLU PHE ASP PRO GLY GLN ASP THR TYR GLN HIS PRO PRO          
SEQRES  41 A  753  LYS ASP SER SER GLY GLN ARG VAL ALA VAL SER PRO THR          
SEQRES  42 A  753  SER GLN ARG LEU GLN LEU LEU GLU PRO PHE ASP LYS TRP          
SEQRES  43 A  753  ASP GLY LYS ASP LEU GLU ASP LEU GLN ILE LEU ILE LYS          
SEQRES  44 A  753  VAL LYS GLY LYS CYS THR THR ASP HIS ILE SER ALA ALA          
SEQRES  45 A  753  GLY PRO TRP LEU LYS PHE ARG GLY HIS LEU ASP ASN ILE          
SEQRES  46 A  753  SER ASN ASN LEU LEU ILE GLY ALA ILE ASN ILE GLU ASN          
SEQRES  47 A  753  ARG LYS ALA ASN SER VAL ARG ASN ALA VAL THR GLN GLU          
SEQRES  48 A  753  PHE GLY PRO VAL PRO ASP THR ALA ARG TYR TYR LYS GLN          
SEQRES  49 A  753  HIS GLY ILE ARG TRP VAL VAL ILE GLY ASP GLU ASN TYR          
SEQRES  50 A  753  GLY GLU GLY ALA SER ARG GLU HIS SER ALA LEU GLU PRO          
SEQRES  51 A  753  ARG HIS LEU GLY GLY ARG ALA ILE ILE THR LYS SER PHE          
SEQRES  52 A  753  ALA ARG ILE HIS GLU THR ASN LEU LYS LYS GLN GLY LEU          
SEQRES  53 A  753  LEU PRO LEU THR PHE ALA ASP PRO ALA ASP TYR ASN LYS          
SEQRES  54 A  753  ILE HIS PRO VAL ASP LYS LEU THR ILE GLN GLY LEU LYS          
SEQRES  55 A  753  ASP PHE ALA PRO GLY LYS PRO LEU LYS CYS ILE ILE LYS          
SEQRES  56 A  753  HIS PRO ASN GLY THR GLN GLU THR ILE LEU LEU ASN HIS          
SEQRES  57 A  753  THR PHE ASN GLU THR GLN ILE GLU TRP PHE ARG ALA GLY          
SEQRES  58 A  753  SER ALA LEU ASN ARG MET LYS GLU LEU GLN GLN LYS              
HET    FLC  A 756      13                                                       
HET    SF4  A 755       8                                                       
HET      O  A1500       1                                                       
HETNAM     FLC CITRATE ANION                                                    
HETNAM     SF4 IRON/SULFUR CLUSTER                                              
HETNAM       O OXYGEN ATOM                                                      
FORMUL   2  FLC    C6 H5 O7 3-                                                  
FORMUL   3  SF4    FE4 S4                                                       
FORMUL   4    O    O                                                            
FORMUL   5  HOH   *677(H2 O)                                                    
HELIX    1   1 ARG A   17  ASN A   33  1                                  17    
HELIX    2   2 THR A   37  GLY A   45  1                                   9    
HELIX    3   3 THR A   75  GLY A   87  1                                  13    
HELIX    4   4 GLY A  108  ASN A  120  1                                  13    
HELIX    5   5 ASN A  120  GLY A  135  1                                  16    
HELIX    6   6 ILE A  145  TYR A  154  1                                  10    
HELIX    7   7 HIS A  167  GLY A  175  5                                   9    
HELIX    8   8 GLY A  182  GLY A  192  1                                  11    
HELIX    9   9 SER A  216  THR A  229  1                                  14    
HELIX   10  10 GLY A  242  ILE A  248  5                                   7    
HELIX   11  11 SER A  249  GLY A  260  1                                  12    
HELIX   12  12 ALA A  261  GLY A  264  5                                   4    
HELIX   13  13 ASN A  273  THR A  283  1                                  11    
HELIX   14  14 ARG A  285  PHE A  295  1                                  11    
HELIX   15  15 LYS A  296  LEU A  299  5                                   4    
HELIX   16  16 SER A  316  LEU A  318  5                                   3    
HELIX   17  17 VAL A  334  GLY A  345  1                                  12    
HELIX   18  18 SER A  362  ALA A  378  1                                  17    
HELIX   19  19 SER A  393  ASP A  403  1                                  11    
HELIX   20  20 GLY A  404  VAL A  412  1                                   9    
HELIX   21  21 CYS A  421  GLY A  426  5                                   6    
HELIX   22  22 SER A  465  GLY A  476  1                                  12    
HELIX   23  23 THR A  566  SER A  571  1                                   6    
HELIX   24  24 ALA A  573  ARG A  580  5                                   8    
HELIX   25  25 HIS A  582  SER A  587  1                                   6    
HELIX   26  26 PRO A  615  HIS A  626  1                                  12    
HELIX   27  27 GLU A  645  LEU A  654  1                                  10    
HELIX   28  28 ALA A  665  GLN A  675  1                                  11    
HELIX   29  29 ASP A  684  ILE A  691  5                                   8    
HELIX   30  30 GLY A  701  PHE A  705  5                                   5    
HELIX   31  31 ASN A  732  GLY A  742  1                                  11    
HELIX   32  32 SER A  743  GLN A  752  1                                  10    
SHEET    1   A 2 TYR A  61  LEU A  64  0                                        
SHEET    2   A 2 TRP A 195  LYS A 198 -1  O  TRP A 195   N  LEU A  64           
SHEET    1   B 6 ILE A 177  GLY A 180  0                                        
SHEET    2   B 6 LEU A 160  GLY A 163  1  O  LEU A 161   N  ILE A 179           
SHEET    3   B 6 ARG A  68  GLN A  72  1  O  ARG A  68   N  ILE A 162           
SHEET    4   B 6 SER A  95  HIS A  98  1  O  THR A  96   N  MET A  71           
SHEET    5   B 6 GLY A 137  TRP A 139  1  N  GLY A 137   O  SER A  95           
SHEET    6   B 6 TYR A 517  GLN A 518 -1  N  GLN A 518   O  PHE A 138           
SHEET    1   C 4 THR A 267  VAL A 269  0                                        
SHEET    2   C 4 ALA A 236  HIS A 241  1  O  ALA A 236   N  THR A 267           
SHEET    3   C 4 LYS A 201  THR A 208  1  O  LYS A 201   N  ILE A 237           
SHEET    4   C 4 GLN A 309  ASN A 314  1  O  GLN A 309   N  GLY A 204           
SHEET    1   D 2 HIS A 321  ASN A 323  0                                        
SHEET    2   D 2 ALA A 331  PRO A 333 -1  O  HIS A 332   N  ILE A 322           
SHEET    1   E 5 GLY A 414  VAL A 416  0                                        
SHEET    2   E 5 GLN A 386  ILE A 389  1  O  PHE A 387   N  ILE A 415           
SHEET    3   E 5 ILE A 350  ILE A 355  1  O  ARG A 351   N  GLN A 386           
SHEET    4   E 5 ASN A 439  THR A 443  1  O  THR A 440   N  ARG A 351           
SHEET    5   E 5 THR A 459  VAL A 463  1  N  HIS A 460   O  ASN A 439           
SHEET    1   F 8 LEU A 552  LYS A 560  0                                        
SHEET    2   F 8 TRP A 630  ILE A 633  1  O  VAL A 631   N  LEU A 558           
SHEET    3   F 8 LEU A 552  LYS A 560  1  O  GLN A 556   N  VAL A 631           
SHEET    4   F 8 LYS A 696  GLN A 700 -1  O  LEU A 697   N  LEU A 555           
SHEET    5   F 8 LEU A 711  LYS A 716 -1  O  LYS A 712   N  GLN A 700           
SHEET    6   F 8 GLN A 722  ASN A 728 -1  O  GLU A 723   N  ILE A 715           
SHEET    7   F 8 LEU A 678  PHE A 682 -1  O  THR A 681   N  ASN A 728           
SHEET    8   F 8 GLY A 656  THR A 661  1  O  ARG A 657   N  LEU A 678           
SHEET    1   G 2 VAL A 605  ARG A 606  0                                        
SHEET    2   G 2 PHE A 613  GLY A 614 -1  N  GLY A 614   O  VAL A 605           
LINK         SG  CYS A 358                FE1  SF4 A 755     1555   1555  2.42  
LINK         SG  CYS A 421                FE3  SF4 A 755     1555   1555  2.29  
LINK         SG  CYS A 424                FE2  SF4 A 755     1555   1555  2.24  
LINK        FE4  SF4 A 755                 OB1 FLC A 756     1555   1555  2.38  
LINK        FE4  SF4 A 755                 O     O A1500     1555   1555  2.19  
SITE     1 AC1 14 GLN A  72  ALA A  74  HIS A 101  ASP A 165                    
SITE     2 AC1 14 SER A 166  ILE A 425  ARG A 447  ARG A 452                    
SITE     3 AC1 14 ARG A 580  ALA A 642  SER A 643  ARG A 644                    
SITE     4 AC1 14 SF4 A 755    O A1500                                          
SITE     1 AC2  9 HIS A 101  ASP A 165  HIS A 167  CYS A 358                    
SITE     2 AC2  9 CYS A 421  CYS A 424  ILE A 425  FLC A 756                    
SITE     3 AC2  9   O A1500                                                     
SITE     1 AC3  4 ASP A 165  HIS A 167  SF4 A 755  FLC A 756                    
CRYST1  176.100   71.400   71.800  90.00  90.00  90.00 P 21 21 2     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      0.005679  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014006  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013928        0.00000