HEADER    ELECTRON TRANSPORT                      08-FEB-90   2FXB              
OBSLTE     13-FEB-02 2FXB      1IQZ                                             
TITLE     STRUCTURE OF (4*FE-4*S) FERREDOXIN FROM BACILLUS                      
TITLE    2 $THERMOPROTEOLYTICUS REFINED AT 2.3 ANGSTROMS RESOLUTION.            
TITLE    3 STRUCTURAL COMPARISONS OF BACTERIAL FERREDOXINS                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (81-MER);                                          
COMPND   3 CHAIN: NULL;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1                                                             
KEYWDS    ELECTRON TRANSPORT                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.FUKUYAMA,T.TSUKIHARA,Y.KATSUBE                                      
REVDAT   2   15-APR-93 2FXB    3       HET    FORMUL HETATM                     
REVDAT   1   15-JUL-91 2FXB    0                                                
SPRSDE     15-JUL-91 2FXB      1FXB                                             
JRNL        AUTH   K.FUKUYAMA,H.MATSUBARA,T.TSUKIHARA,Y.KATSUBE                 
JRNL        TITL   STRUCTURE OF (4FE-4S) FERREDOXIN FROM BACILLUS               
JRNL        TITL 2 THERMOPROTEOLYTICUS REFINED AT 2.3 ANGSTROMS                 
JRNL        TITL 3 RESOLUTION. STRUCTURAL COMPARISONS OF BACTERIAL              
JRNL        TITL 4 FERREDOXINS                                                  
JRNL        REF    J.MOL.BIOL.                   V. 210   383 1989              
JRNL        REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   K.FUKUYAMA,Y.NAGAHARA,T.TSUKIHARA,Y.KATSUBE,T.HASE,          
REMARK   1  AUTH 2 H.MATSUBARA                                                  
REMARK   1  TITL   TERTIARY STRUCTURE OF BACILLUS THERMOPROTEOLYTICUS           
REMARK   1  TITL 2 (4FE-4S) FERREDOXIN. EVOLUTIONARY IMPLICATIONS FOR           
REMARK   1  TITL 3 BACTERIAL FERREDOXINS                                        
REMARK   1  REF    J.MOL.BIOL.                   V. 199   183 1988              
REMARK   1  REFN   ASTM JMOBAK  UK ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.30 ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROLSQ                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 2906                           
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 + TEST SET) : 0.204                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
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  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
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            : 612                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 8                                       
REMARK   3   SOLVENT ATOMS            : 59                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.018 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.047 ; 0.035               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.060 ; 0.045               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.014 ; 0.020               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.144 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.270 ; 0.500               
REMARK   3    MULTIPLE TORSION                (A) : 0.270 ; 0.500               
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : 0.210 ; 0.500               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 1.800 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.630 ; 1.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.360 ; 1.500                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 0.570 ; 1.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 1.260 ; 1.500                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2FXB COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
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   (%): 48.76                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
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   1/2+X,1/2+Y,Z                                           
REMARK 290       4555   1/2-X,1/2+Y,-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       35.13000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       18.92000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       35.13000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       18.92000            
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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH   133   LIES ON A SPECIAL POSITION.                         
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                             
REMARK 500   O    LYS       2     O    ALA      69              2.08            
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   O    PHE      80     O    HOH     136     4546     1.77            
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  M RES CSSEQI        PSI       PHI                                   
REMARK 500    TYR     3      142.45     52.48                                   
REMARK 500    ASP    30      -37.73    139.00                                   
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED            
REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE                 
REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL                 
REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE          
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH   137        DISTANCE =  5.85 ANGSTROMS                       
DBREF  2FXB      1    81  UNP    P10245   FER_BACTH        1     81             
SEQRES   1     81  PRO LYS TYR THR ILE VAL ASP LYS GLU THR CYS ILE ALA          
SEQRES   2     81  CYS GLY ALA CYS GLY ALA ALA ALA PRO ASP ILE TYR ASP          
SEQRES   3     81  TYR ASP GLU ASP GLY ILE ALA TYR VAL THR LEU ASP ASP          
SEQRES   4     81  ASN GLN GLY ILE VAL GLU VAL PRO ASP ILE LEU ILE ASP          
SEQRES   5     81  ASP MET MET ASP ALA PHE GLU GLY CYS PRO THR ASP SER          
SEQRES   6     81  ILE LYS VAL ALA ASP GLU PRO PHE ASP GLY ASP PRO ASN          
SEQRES   7     81  LYS PHE GLU                                                  
HET    FS4     82       8                                                       
HETNAM     FS4 IRON/SULFUR CLUSTER                                              
FORMUL   2  FS4    FE4 S4                                                       
FORMUL   3  HOH   *59(H2 O1)                                                    
HELIX    1  H1 CYS     17  ALA     20  1                                   4    
HELIX    2  H2 PRO     47  ILE     51  5                                   5    
HELIX    3  H3 ILE     51  GLU     59  1                                   9    
SHEET    1  S1 2 THR     4  VAL     6  0                                        
SHEET    2  S1 2 ILE    66  ALA    69 -1  O  LYS    67   N  ILE     5           
TURN     1  T1 ALA    21  ILE    24                                             
TURN     2  T2 ASP    28  GLY    31     UNCERTAIN DUE TO BROAD DENSITY          
TURN     3  T3 ASP    76  LYS    79                                             
CRYST1   70.260   37.840   32.950  90.00 105.92  90.00 C 1 2 1       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      0.014230  0.000000  0.004060        0.00000                         
SCALE2      0.000000  0.026430  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.031560        0.00000