HEADER    ELECTRON TRANSPORT                      13-JUN-00   1F5B              
TITLE     CRYSTAL STRUCTURE OF F2H FERREDOXIN 1 MUTANT FROM AZOTOBACTER         
TITLE    2 VINELANDII AT 1.75 ANGSTROM RESOLUTION                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FERREDOXIN 1;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: FDI;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: AZOTOBACTER VINELANDII;                         
SOURCE   3 ORGANISM_TAXID: 354;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PKT230                                    
KEYWDS    BETA-SHEET, PROTEIN MONOMER, IRON SULFUR PROTEIN, FERREDOXIN,         
KEYWDS   2 ELECTRON TRANSPORT                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.CHEN,C.A.BONAGURA,G.J.TILLEY,Y.S.JUNG,F.A.ARMSTRONG,C.D.STOUT,      
AUTHOR   2 B.K.BURGESS                                                          
REVDAT   7   07-FEB-24 1F5B    1       REMARK                                   
REVDAT   6   03-NOV-21 1F5B    1       REMARK SEQADV LINK                       
REVDAT   5   04-OCT-17 1F5B    1       REMARK                                   
REVDAT   4   24-FEB-09 1F5B    1       VERSN                                    
REVDAT   3   01-APR-03 1F5B    1       JRNL                                     
REVDAT   2   12-MAR-02 1F5B    1       JRNL   REMARK CONECT                     
REVDAT   1   28-JUN-00 1F5B    0                                                
JRNL        AUTH   K.CHEN,C.A.BONAGURA,G.J.TILLEY,J.P.MCEVOY,Y.S.JUNG,          
JRNL        AUTH 2 F.A.ARMSTRONG,C.D.STOUT,B.K.BURGESS                          
JRNL        TITL   CRYSTAL STRUCTURES OF FERREDOXIN VARIANTS EXHIBITING LARGE   
JRNL        TITL 2 CHANGES IN [FE-S] REDUCTION POTENTIAL.                       
JRNL        REF    NAT.STRUCT.BIOL.              V.   9   188 2002              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   11875515                                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.62 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH AND HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.62                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.16                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 372801.630                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 18542                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.244                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 899                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.008                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.62                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.72                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 91.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2716                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3430                       
REMARK   3   BIN FREE R VALUE                    : 0.3640                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.80                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 136                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.031                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 840                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 176                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 21.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 24.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.55000                                             
REMARK   3    B22 (A**2) : -0.55000                                             
REMARK   3    B33 (A**2) : 1.10000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.16                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.24                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.18                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.800                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.900                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 40.92                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : PARAM19X.FS                                    
REMARK   3  PARAMETER FILE  4  : SO4.PAR                                        
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : TOPH19.FS                                      
REMARK   3  TOPOLOGY FILE  4   : SO4.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: USED MAXIMUM LIKELIHOOD (F)               
REMARK   4                                                                      
REMARK   4 1F5B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUN-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011260.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-NOV-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 115                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5408                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19082                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.620                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 11.83                              
REMARK 200  R MERGE                    (I) : 0.07200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.6000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.65                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.00                              
REMARK 200  R MERGE FOR SHELL          (I) : 0.64200                            
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: DIFFERENCE FOURIER                                    
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 58.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: TRIZMA BASE, AMMONIUM SULFATE,           
REMARK 280  POTASSIUM PHOSPHATE, PH 7.4, VAPOR DIFFUSION, SITTING DROP,         
REMARK 280  TEMPERATURE 277.0K                                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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       46.39000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       27.69050            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       27.69050            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       23.19500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       27.69050            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       27.69050            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       69.58500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       27.69050            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       27.69050            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       23.19500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       27.69050            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       27.69050            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       69.58500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       46.39000            
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: 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    THR A   5     -169.15   -109.69                                   
REMARK 500    ASN A  30       33.79   -141.57                                   
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                             F3S A 200  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A   8   SG                                                     
REMARK 620 2 F3S A 200   S1  112.2                                              
REMARK 620 3 F3S A 200   S3  117.2 103.9                                        
REMARK 620 4 F3S A 200   S4  106.8 110.0 106.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             F3S A 200  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  16   SG                                                     
REMARK 620 2 F3S A 200   S1  115.1                                              
REMARK 620 3 F3S A 200   S2  106.6 111.3                                        
REMARK 620 4 F3S A 200   S3  115.3 103.1 105.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 201  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  20   SG                                                     
REMARK 620 2 SF4 A 201   S1  110.5                                              
REMARK 620 3 SF4 A 201   S2  118.5 103.8                                        
REMARK 620 4 SF4 A 201   S3  112.7 105.3 105.0                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 201  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  39   SG                                                     
REMARK 620 2 SF4 A 201   S2  118.1                                              
REMARK 620 3 SF4 A 201   S3  116.0 105.5                                        
REMARK 620 4 SF4 A 201   S4  106.4 105.2 104.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 201  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  42   SG                                                     
REMARK 620 2 SF4 A 201   S1   98.8                                              
REMARK 620 3 SF4 A 201   S3  118.0 105.0                                        
REMARK 620 4 SF4 A 201   S4  122.6 106.4 104.1                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             SF4 A 201  FE3                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  45   SG                                                     
REMARK 620 2 SF4 A 201   S1  107.1                                              
REMARK 620 3 SF4 A 201   S2  119.0 103.9                                        
REMARK 620 4 SF4 A 201   S4  112.7 107.3 105.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             F3S A 200  FE4                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  49   SG                                                     
REMARK 620 2 F3S A 200   S2  111.9                                              
REMARK 620 3 F3S A 200   S3  110.4 105.5                                        
REMARK 620 4 F3S A 200   S4  111.9 110.5 106.4                                  
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 F3S A 200                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 201                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6FDR   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF DITHIONITE REDUCED FERREDOXIN 1 WILDTYPE  
REMARK 900 FROM AZOTOBACTER VINELANDII AT 1.4 ANGSTROM RESOLUTION               
REMARK 900 RELATED ID: 7FDR   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF THE OXIDIZED FORM OF FERREDOXIN 1         
REMARK 900 WILDTYPE FROM AZOTOBACTER VINELANDII AT 1.4 ANGSTROM RESOLUTION      
REMARK 900 RELATED ID: 1D3W   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF FERREDOXIN 1 D15E MUTANT FROM             
REMARK 900 AZOTOBACTER VINELANDII AT 1.7 ANGSTROM RESOLUTION                    
REMARK 900 RELATED ID: 1FDD   RELATED DB: PDB                                   
REMARK 900 X-RAY CRYSTAL STRUCTURE OF FERREDOXIN 1 D15N MUTANT FROM             
REMARK 900 AZOTOBACTER VINELANDII AT 1.9 ANGSTROM RESOLUTION                    
REMARK 900 RELATED ID: 1F5C   RELATED DB: PDB                                   
DBREF  1F5B A    1   106  UNP    P00214   FER1_AZOVI       1    106             
SEQADV 1F5B HIS A    2  UNP  P00214    PHE     2 ENGINEERED MUTATION            
SEQRES   1 A  106  ALA HIS VAL VAL THR ASP ASN CYS ILE LYS CYS LYS TYR          
SEQRES   2 A  106  THR ASP CYS VAL GLU VAL CYS PRO VAL ASP CYS PHE TYR          
SEQRES   3 A  106  GLU GLY PRO ASN PHE LEU VAL ILE HIS PRO ASP GLU CYS          
SEQRES   4 A  106  ILE ASP CYS ALA LEU CYS GLU PRO GLU CYS PRO ALA GLN          
SEQRES   5 A  106  ALA ILE PHE SER GLU ASP GLU VAL PRO GLU ASP MET GLN          
SEQRES   6 A  106  GLU PHE ILE GLN LEU ASN ALA GLU LEU ALA GLU VAL TRP          
SEQRES   7 A  106  PRO ASN ILE THR GLU LYS LYS ASP PRO LEU PRO ASP ALA          
SEQRES   8 A  106  GLU ASP TRP ASP GLY VAL LYS GLY LYS LEU GLN HIS LEU          
SEQRES   9 A  106  GLU ARG                                                      
HET    F3S  A 200       7                                                       
HET    SF4  A 201       8                                                       
HETNAM     F3S FE3-S4 CLUSTER                                                   
HETNAM     SF4 IRON/SULFUR CLUSTER                                              
FORMUL   2  F3S    FE3 S4                                                       
FORMUL   3  SF4    FE4 S4                                                       
FORMUL   4  HOH   *176(H2 O)                                                    
HELIX    1   1 ASP A    6  ILE A    9  5                                   4    
HELIX    2   2 THR A   14  CYS A   20  5                                   7    
HELIX    3   3 CYS A   45  CYS A   49  5                                   5    
HELIX    4   4 ASP A   58  VAL A   60  5                                   3    
HELIX    5   5 PRO A   61  MET A   64  5                                   4    
HELIX    6   6 GLN A   65  ALA A   75  1                                  11    
HELIX    7   7 ASP A   90  ASP A   95  1                                   6    
HELIX    8   8 GLY A   99  LEU A  104  5                                   6    
SHEET    1   A 2 HIS A   2  VAL A   4  0                                        
SHEET    2   A 2 ILE A  54  SER A  56 -1  O  PHE A  55   N  VAL A   3           
SHEET    1   B 2 PHE A  25  GLU A  27  0                                        
SHEET    2   B 2 LEU A  32  ILE A  34 -1  O  VAL A  33   N  TYR A  26           
LINK         SG  CYS A   8                FE3  F3S A 200     1555   1555  2.28  
LINK         SG  CYS A  16                FE1  F3S A 200     1555   1555  2.28  
LINK         SG  CYS A  20                FE4  SF4 A 201     1555   1555  2.29  
LINK         SG  CYS A  39                FE1  SF4 A 201     1555   1555  2.29  
LINK         SG  CYS A  42                FE2  SF4 A 201     1555   1555  2.30  
LINK         SG  CYS A  45                FE3  SF4 A 201     1555   1555  2.28  
LINK         SG  CYS A  49                FE4  F3S A 200     1555   1555  2.28  
SITE     1 AC1  8 CYS A   8  LYS A  12  TYR A  13  THR A  14                    
SITE     2 AC1  8 ASP A  15  CYS A  16  LEU A  32  CYS A  49                    
SITE     1 AC2 11 HIS A   2  CYS A  20  VAL A  22  CYS A  24                    
SITE     2 AC2 11 PHE A  25  ILE A  34  CYS A  39  ILE A  40                    
SITE     3 AC2 11 CYS A  42  ALA A  43  CYS A  45                               
CRYST1   55.381   55.381   92.780  90.00  90.00  90.00 P 41 21 2     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      0.018057  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.018057  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010778        0.00000