HEADER    NON-HEME IRON PROTEIN                   04-JUL-97   1DXG              
TITLE     CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS AT 1.8 A 
TITLE    2 RESOLUTION                                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: DESULFOREDOXIN;                                            
COMPND   3 CHAIN: A, B                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO GIGAS;                            
SOURCE   3 ORGANISM_TAXID: 879;                                                 
SOURCE   4 OTHER_DETAILS: ANAEROBIC, SULPHATE REDUCING BACTERIA                 
KEYWDS    NON-HEME IRON PROTEIN, RUBREDOXIN TYPE METAL CENTER, ELECTRON         
KEYWDS   2 TRANSPORT                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.ARCHER,R.HUBER,M.J.ROMAO                                            
REVDAT   4   07-FEB-24 1DXG    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1DXG    1       VERSN                                    
REVDAT   2   01-APR-03 1DXG    1       JRNL                                     
REVDAT   1   12-NOV-97 1DXG    0                                                
JRNL        AUTH   M.ARCHER,R.HUBER,P.TAVARES,I.MOURA,J.J.MOURA,M.A.CARRONDO,   
JRNL        AUTH 2 L.C.SIEKER,J.LEGALL,M.J.ROMAO                                
JRNL        TITL   CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS 
JRNL        TITL 2 DETERMINED AT 1.8 A RESOLUTION: A NOVEL NON-HEME IRON        
JRNL        TITL 3 PROTEIN STRUCTURE.                                           
JRNL        REF    J.MOL.BIOL.                   V. 251   690 1995              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   7666420                                                      
JRNL        DOI    10.1006/JMBI.1995.0465                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 94.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 10346                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : R-FREE                          
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.169                           
REMARK   3   FREE R VALUE                     : 0.187                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 785                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.83                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 972                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2190                       
REMARK   3   BIN FREE R VALUE                    : 0.2640                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 84                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 522                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 69                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 27.30                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.840                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 3.000 ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 5.000 ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.000 ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.000 ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DXG 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_1000172956.                                   
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                             : 4.5                                
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          : ENRAF-NONIUS FR571                 
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE(002)                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 6529                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 11.400                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.2                               
REMARK 200  DATA REDUNDANCY                : 4.800                              
REMARK 200  R MERGE                    (I) : 0.08300                            
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) : 1.83                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.87                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.4                               
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: SIRAS                        
REMARK 200 SOFTWARE USED: PROTEIN                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 10% PEG 4K, 0.1M SODIUM ACETATE (PH      
REMARK 280  4.5)                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       48.14667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       24.07333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       24.07333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       48.14667            
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1710 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 3930 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     ASN A    2   CB   ND2                                            
REMARK 480     GLU A    3   CG   CD   OE1  OE2                                  
REMARK 480     GLU A   21   CD   OE1  OE2                                       
REMARK 480     GLU B    3   CG   CD   OE1                                       
REMARK 480     GLU B   21   CD   OE1  OE2                                       
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                              FE A  37  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A   9   SG                                                     
REMARK 620 2 CYS A  12   SG  109.3                                              
REMARK 620 3 CYS A  28   SG  108.5 104.0                                        
REMARK 620 4 CYS A  29   SG  110.1 105.0 119.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              FE B  37  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B   9   SG                                                     
REMARK 620 2 CYS B  12   SG  109.7                                              
REMARK 620 3 CYS B  28   SG  106.7 103.2                                        
REMARK 620 4 CYS B  29   SG  109.9 104.2 122.6                                  
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 FE A 37                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE B 37                   
DBREF  1DXG A    1    36  UNP    P00273   DESR_DESGI       1     36             
DBREF  1DXG B    1    36  UNP    P00273   DESR_DESGI       1     36             
SEQRES   1 A   36  ALA ASN GLU GLY ASP VAL TYR LYS CYS GLU LEU CYS GLY          
SEQRES   2 A   36  GLN VAL VAL LYS VAL LEU GLU GLU GLY GLY GLY THR LEU          
SEQRES   3 A   36  VAL CYS CYS GLY GLU ASP MET VAL LYS GLN                      
SEQRES   1 B   36  ALA ASN GLU GLY ASP VAL TYR LYS CYS GLU LEU CYS GLY          
SEQRES   2 B   36  GLN VAL VAL LYS VAL LEU GLU GLU GLY GLY GLY THR LEU          
SEQRES   3 B   36  VAL CYS CYS GLY GLU ASP MET VAL LYS GLN                      
HET     FE  A  37       1                                                       
HET     FE  B  37       1                                                       
HETNAM      FE FE (III) ION                                                     
FORMUL   3   FE    2(FE 3+)                                                     
FORMUL   5  HOH   *69(H2 O)                                                     
SHEET    1   A 2 VAL A   6  LYS A   8  0                                        
SHEET    2   A 2 VAL A  15  LYS A  17 -1  N  VAL A  16   O  TYR A   7           
SHEET    1   B 2 VAL B   6  LYS B   8  0                                        
SHEET    2   B 2 VAL B  15  LYS B  17 -1  N  VAL B  16   O  TYR B   7           
LINK         SG  CYS A   9                FE    FE A  37     1555   1555  2.29  
LINK         SG  CYS A  12                FE    FE A  37     1555   1555  2.26  
LINK         SG  CYS A  28                FE    FE A  37     1555   1555  2.31  
LINK         SG  CYS A  29                FE    FE A  37     1555   1555  2.31  
LINK         SG  CYS B   9                FE    FE B  37     1555   1555  2.28  
LINK         SG  CYS B  12                FE    FE B  37     1555   1555  2.34  
LINK         SG  CYS B  28                FE    FE B  37     1555   1555  2.29  
LINK         SG  CYS B  29                FE    FE B  37     1555   1555  2.27  
SITE     1 AC1  4 CYS A   9  CYS A  12  CYS A  28  CYS A  29                    
SITE     1 AC2  4 CYS B   9  CYS B  12  CYS B  28  CYS B  29                    
CRYST1   42.180   42.180   72.220  90.00  90.00 120.00 P 32 2 1     12          
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      0.023708  0.013688  0.000000        0.00000                         
SCALE2      0.000000  0.027376  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013847        0.00000                         
MTRIX1   1  0.204527 -0.683513 -0.700699       24.68513    1                    
MTRIX2   1 -0.692437 -0.606992  0.389989       30.97293    1                    
MTRIX3   1 -0.691881  0.405427 -0.597436       11.82940    1