HEADER    ELECTRON TRANSPORT                      14-AUG-97   1QOG              
TITLE     FERREDOXIN MUTATION S47A                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FERREDOXIN;                                                
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES;                                                       
COMPND   6 OTHER_DETAILS: 2FE-2S FERREDOXIN                                     
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NOSTOC SP.;                                     
SOURCE   3 ORGANISM_TAXID: 103690;                                              
SOURCE   4 STRAIN: PCC 7120;                                                    
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: JM109;                                     
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PAN662                                    
KEYWDS    ELECTRON TRANSPORT, IRON-SULFUR, FERREDOXIN                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.M.HOLDEN,M.M.BENNING                                                
REVDAT   6   14-FEB-24 1QOG    1       REMARK                                   
REVDAT   5   03-NOV-21 1QOG    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1QOG    1       VERSN                                    
REVDAT   3   24-FEB-09 1QOG    1       VERSN                                    
REVDAT   2   01-APR-03 1QOG    1       JRNL                                     
REVDAT   1   14-JAN-98 1QOG    0                                                
JRNL        AUTH   J.K.HURLEY,A.M.WEBER-MAIN,M.T.STANKOVICH,M.M.BENNING,        
JRNL        AUTH 2 J.B.THODEN,J.L.VANHOOKE,H.M.HOLDEN,Y.K.CHAE,B.XIA,H.CHENG,   
JRNL        AUTH 3 J.L.MARKLEY,M.MARTINEZ-JULVEZ,C.GOMEZ-MORENO,J.L.SCHMEITS,   
JRNL        AUTH 4 G.TOLLIN                                                     
JRNL        TITL   STRUCTURE-FUNCTION RELATIONSHIPS IN ANABAENA FERREDOXIN:     
JRNL        TITL 2 CORRELATIONS BETWEEN X-RAY CRYSTAL STRUCTURES, REDUCTION     
JRNL        TITL 3 POTENTIALS, AND RATE CONSTANTS OF ELECTRON TRANSFER TO       
JRNL        TITL 4 FERREDOXIN:NADP+ REDUCTASE FOR SITE-SPECIFIC FERREDOXIN      
JRNL        TITL 5 MUTANTS.                                                     
JRNL        REF    BIOCHEMISTRY                  V.  36 11100 1997              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   9287153                                                      
JRNL        DOI    10.1021/BI9709001                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 92.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 19030                          
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
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                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.1820                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1498                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 13                                      
REMARK   3   SOLVENT ATOMS            : 116                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.014 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.380 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : 17.200; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.008 ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : 0.008 ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.023 ; NULL  ; 6               
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : NULL                                             
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1QOG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000175928.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 269                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XCALIBRE                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19030                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.0                               
REMARK 200  DATA REDUNDANCY                : 2.300                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.88                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.13000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER           
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.77                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       18.86500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       74.08000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       19.11500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       74.08000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       18.86500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       19.11500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OD1  ASP A    96     O    HOH A   194              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   N    ALA A     1     OD2  ASP A    36     3645     2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    GLU A  10   CD    GLU A  10   OE1     0.078                       
REMARK 500    GLU A  12   CD    GLU A  12   OE1     0.077                       
REMARK 500    GLU A  17   CD    GLU A  17   OE2     0.077                       
REMARK 500    GLU A  19   CD    GLU A  19   OE1     0.072                       
REMARK 500    GLU A  31   CD    GLU A  31   OE1    -0.069                       
REMARK 500    GLU A  72   CD    GLU A  72   OE1     0.081                       
REMARK 500    GLU B  12   CD    GLU B  12   OE2     0.072                       
REMARK 500    GLU B  17   CD    GLU B  17   OE1     0.071                       
REMARK 500    GLU B  19   CD    GLU B  19   OE1     0.067                       
REMARK 500    GLU B  32   CD    GLU B  32   OE1     0.070                       
REMARK 500    GLU B  72   CD    GLU B  72   OE2     0.075                       
REMARK 500    GLU B  94   CD    GLU B  94   OE2     0.076                       
REMARK 500    GLU B  95   CD    GLU B  95   OE2     0.073                       
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    GLU A  12   N   -  CA  -  CB  ANGL. DEV. = -11.0 DEGREES          
REMARK 500    ASP A  22   CB  -  CG  -  OD1 ANGL. DEV. =   6.8 DEGREES          
REMARK 500    ASP A  22   CB  -  CG  -  OD2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ASP A  28   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A  36   CB  -  CG  -  OD1 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A  36   CB  -  CG  -  OD2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500    ARG A  42   NE  -  CZ  -  NH1 ANGL. DEV. =   5.0 DEGREES          
REMARK 500    ASP A  59   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP A  67   CB  -  CG  -  OD2 ANGL. DEV. =  -7.4 DEGREES          
REMARK 500    ASP A  69   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    ASP A  69   CB  -  CG  -  OD2 ANGL. DEV. =  -7.6 DEGREES          
REMARK 500    ASP A  86   CB  -  CG  -  OD1 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD1 ANGL. DEV. =   6.9 DEGREES          
REMARK 500    ASP B  22   CB  -  CG  -  OD2 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500    TYR B  25   CB  -  CG  -  CD2 ANGL. DEV. =  -3.8 DEGREES          
REMARK 500    ASP B  68   CB  -  CG  -  OD2 ANGL. DEV. =  -7.5 DEGREES          
REMARK 500    TYR B  82   CB  -  CA  -  C   ANGL. DEV. = -12.5 DEGREES          
REMARK 500    ASP B  86   CB  -  CG  -  OD1 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ASP B  86   CB  -  CG  -  OD2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    ASP B  96   CB  -  CG  -  OD1 ANGL. DEV. =  -6.6 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    SER A  40      -82.55   -141.43                                   
REMARK 500    SER B  40      -80.11   -143.90                                   
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                             FES A 100  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  41   SG                                                     
REMARK 620 2 FES A 100   S1  120.8                                              
REMARK 620 3 FES A 100   S2  101.1 102.9                                        
REMARK 620 4 CYS A  46   SG  105.3 107.1 120.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES A 100  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  49   SG                                                     
REMARK 620 2 FES A 100   S1  112.7                                              
REMARK 620 3 FES A 100   S2  109.5 107.2                                        
REMARK 620 4 CYS A  79   SG  105.1 117.5 104.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES B 100  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B  41   SG                                                     
REMARK 620 2 FES B 100   S1  119.9                                              
REMARK 620 3 FES B 100   S2  100.5 103.9                                        
REMARK 620 4 CYS B  46   SG  109.8 104.2 119.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES B 100  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B  49   SG                                                     
REMARK 620 2 FES B 100   S1  112.7                                              
REMARK 620 3 FES B 100   S2  111.5 105.0                                        
REMARK 620 4 CYS B  79   SG  107.8 117.8 101.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES A 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES B 100                 
DBREF  1QOG A    1    98  UNP    P0A3C7   FER1_ANASP       1     98             
DBREF  1QOG B    1    98  UNP    P0A3C7   FER1_ANASP       1     98             
SEQADV 1QOG ALA A   47  UNP  P0A3C7    SER    47 ENGINEERED MUTATION            
SEQADV 1QOG ALA B   47  UNP  P0A3C7    SER    47 ENGINEERED MUTATION            
SEQRES   1 A   98  ALA THR PHE LYS VAL THR LEU ILE ASN GLU ALA GLU GLY          
SEQRES   2 A   98  THR LYS HIS GLU ILE GLU VAL PRO ASP ASP GLU TYR ILE          
SEQRES   3 A   98  LEU ASP ALA ALA GLU GLU GLN GLY TYR ASP LEU PRO PHE          
SEQRES   4 A   98  SER CYS ARG ALA GLY ALA CYS ALA THR CYS ALA GLY LYS          
SEQRES   5 A   98  LEU VAL SER GLY THR VAL ASP GLN SER ASP GLN SER PHE          
SEQRES   6 A   98  LEU ASP ASP ASP GLN ILE GLU ALA GLY TYR VAL LEU THR          
SEQRES   7 A   98  CYS VAL ALA TYR PRO THR SER ASP VAL VAL ILE GLN THR          
SEQRES   8 A   98  HIS LYS GLU GLU ASP LEU TYR                                  
SEQRES   1 B   98  ALA THR PHE LYS VAL THR LEU ILE ASN GLU ALA GLU GLY          
SEQRES   2 B   98  THR LYS HIS GLU ILE GLU VAL PRO ASP ASP GLU TYR ILE          
SEQRES   3 B   98  LEU ASP ALA ALA GLU GLU GLN GLY TYR ASP LEU PRO PHE          
SEQRES   4 B   98  SER CYS ARG ALA GLY ALA CYS ALA THR CYS ALA GLY LYS          
SEQRES   5 B   98  LEU VAL SER GLY THR VAL ASP GLN SER ASP GLN SER PHE          
SEQRES   6 B   98  LEU ASP ASP ASP GLN ILE GLU ALA GLY TYR VAL LEU THR          
SEQRES   7 B   98  CYS VAL ALA TYR PRO THR SER ASP VAL VAL ILE GLN THR          
SEQRES   8 B   98  HIS LYS GLU GLU ASP LEU TYR                                  
HET    SO4  A 101       5                                                       
HET    FES  A 100       4                                                       
HET    FES  B 100       4                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     FES FE2/S2 (INORGANIC) CLUSTER                                       
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  FES    2(FE2 S2)                                                    
FORMUL   6  HOH   *116(H2 O)                                                    
HELIX    1   1 ILE A   26  GLU A   32  1                                   7    
HELIX    2   2 ASP A   68  GLU A   72  1                                   5    
HELIX    3   3 THR A   78  VAL A   80  5                                   3    
HELIX    4   4 GLU A   94  ASP A   96  5                                   3    
HELIX    5   5 ILE B   26  GLU B   32  1                                   7    
HELIX    6   6 ASP B   68  GLU B   72  1                                   5    
HELIX    7   7 THR B   78  VAL B   80  5                                   3    
HELIX    8   8 GLU B   94  ASP B   96  5                                   3    
SHEET    1   A 5 THR A  14  PRO A  21  0                                        
SHEET    2   A 5 THR A   2  ASN A   9 -1  N  ASN A   9   O  THR A  14           
SHEET    3   A 5 VAL A  87  GLN A  90  1  N  VAL A  87   O  THR A   6           
SHEET    4   A 5 ALA A  50  SER A  55 -1  N  SER A  55   O  VAL A  88           
SHEET    5   A 5 TYR A  75  LEU A  77 -1  N  VAL A  76   O  GLY A  51           
SHEET    1   B 5 THR B  14  PRO B  21  0                                        
SHEET    2   B 5 THR B   2  ASN B   9 -1  N  ASN B   9   O  THR B  14           
SHEET    3   B 5 VAL B  87  GLN B  90  1  N  VAL B  87   O  THR B   6           
SHEET    4   B 5 ALA B  50  SER B  55 -1  N  SER B  55   O  VAL B  88           
SHEET    5   B 5 TYR B  75  LEU B  77 -1  N  VAL B  76   O  GLY B  51           
LINK         SG  CYS A  41                FE1  FES A 100     1555   1555  2.24  
LINK         SG  CYS A  46                FE1  FES A 100     1555   1555  2.26  
LINK         SG  CYS A  49                FE2  FES A 100     1555   1555  2.40  
LINK         SG  CYS A  79                FE2  FES A 100     1555   1555  2.30  
LINK         SG  CYS B  41                FE1  FES B 100     1555   1555  2.24  
LINK         SG  CYS B  46                FE1  FES B 100     1555   1555  2.24  
LINK         SG  CYS B  49                FE2  FES B 100     1555   1555  2.21  
LINK         SG  CYS B  79                FE2  FES B 100     1555   1555  2.25  
SITE     1 AC1  4 ASN A   9  THR A  14  HIS A  16  HOH A 140                    
SITE     1 AC2  8 SER A  40  CYS A  41  ARG A  42  GLY A  44                    
SITE     2 AC2  8 ALA A  45  CYS A  46  CYS A  49  CYS A  79                    
SITE     1 AC3  8 SER B  40  CYS B  41  ARG B  42  GLY B  44                    
SITE     2 AC3  8 ALA B  45  CYS B  46  CYS B  49  CYS B  79                    
CRYST1   37.730   38.230  148.160  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.026504  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.026157  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006749        0.00000