HEADER    ELECTRON TRANSPORT                      20-MAR-99   1DCD              
TITLE     DESULFOREDOXIN COMPLEXED WITH CD2+                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (DESULFOREDOXIN);                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO GIGAS;                            
SOURCE   3 ORGANISM_TAXID: 879;                                                 
SOURCE   4 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM;                      
SOURCE   8 EXPRESSION_SYSTEM_GENE: DSR                                          
KEYWDS    RUBREDOXIN TYPE PROTEIN, ELECTRON TRANSPORT                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.ARCHER,A.L.CARVALHO,S.TEIXEIRA,M.J.ROMAO                            
REVDAT   7   09-AUG-23 1DCD    1       REMARK LINK                              
REVDAT   6   13-NOV-19 1DCD    1       JRNL                                     
REVDAT   5   04-OCT-17 1DCD    1       REMARK                                   
REVDAT   4   13-JUL-11 1DCD    1       VERSN                                    
REVDAT   3   24-FEB-09 1DCD    1       VERSN                                    
REVDAT   2   01-APR-03 1DCD    1       JRNL                                     
REVDAT   1   09-JUL-99 1DCD    0                                                
JRNL        AUTH   M.ARCHER,A.L.CARVALHO,S.TEIXEIRA,I.MOURA,J.J.MOURA,F.RUSNAK, 
JRNL        AUTH 2 M.J.ROMAO                                                    
JRNL        TITL   STRUCTURAL STUDIES BY X-RAY DIFFRACTION ON METAL SUBSTITUTED 
JRNL        TITL 2 DESULFOREDOXIN, A RUBREDOXIN-TYPE PROTEIN.                   
JRNL        REF    PROTEIN SCI.                  V.   8  1536 1999              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   10422844                                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.ARCHER,R.HUBER,P.TAVARES,I.MOURA,J.J.MOURA,M.A.CARRONDO,   
REMARK   1  AUTH 2 L.C.SIEKER,J.LEGALL,M.J.ROMAO                                
REMARK   1  TITL   CRYSTAL STRUCTURE OF DESULFOREDOXIN FROM DESULFOVIBRIO GIGAS 
REMARK   1  TITL 2 DETERMINED AT 1.8 A RESOLUTION: A NOVEL NON-HEME IRON        
REMARK   1  TITL 3 PROTEIN STRUCTURE.                                           
REMARK   1  REF    J.MOL.BIOL.                   V. 251   690 1995              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  PMID   7666420                                                      
REMARK   1  DOI    10.1006/JMBI.1995.0465                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL                                               
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 14.80                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.7                           
REMARK   3   CROSS-VALIDATION METHOD           : NULL                           
REMARK   3   FREE R VALUE TEST SET SELECTION   : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.189                  
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) : 4342                   
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : NULL                   
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.175                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 3148                   
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      : 53                                            
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 576.00                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 2                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 2325                    
REMARK   3   NUMBER OF RESTRAINTS                     : 2656                    
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.005                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.018                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL                    
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : NULL                    
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : NULL                    
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : NULL                    
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : NULL                    
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : NULL                    
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : NULL                    
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : NULL                    
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228        
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: GEOMETRIC RESTRAINTS WERE APPLIED TO      
REMARK   3  THE METAL CENTER (DFIX CD S 2.55 A)                                 
REMARK   4                                                                      
REMARK   4 1DCD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAR-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000000691.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 277                                
REMARK 200  PH                             : 5.0                                
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) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4403                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.980                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 14.800                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY                : 6.400                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.11500                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.43200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1DXG                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 35.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 30% ETHANOL, 0.1 M SODIUM ACETATE PH     
REMARK 280  5, 0.2 M CACL2, PH 5.0                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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       43.64667            
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       87.29333            
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       87.29333            
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       43.64667            
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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 1630 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 4020 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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 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 A 118  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 126  LIES ON A SPECIAL POSITION.                          
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                              CD A  37  CD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A   9   SG                                                     
REMARK 620 2 CYS A  12   SG  106.7                                              
REMARK 620 3 CYS A  28   SG  110.1 107.0                                        
REMARK 620 4 CYS A  29   SG  101.3 106.3 124.3                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CD B  37  CD                            
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  109.7 110.6                                        
REMARK 620 4 CYS B  29   SG  100.6 105.1 120.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CDA                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CDS(CYS)4 CLUSTER (TETRAHEDRAL COORDINATION)       
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CDB                                                 
REMARK 800 EVIDENCE_CODE: AUTHOR                                                
REMARK 800 SITE_DESCRIPTION: CDS(CYS)4 CLUSTER (TETRAHEDRAL COORDINATION)       
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD A 37                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD B 37                   
DBREF  1DCD A    1    36  UNP    P00273   DESR_DESGI       2     37             
DBREF  1DCD B    1    36  UNP    P00273   DESR_DESGI       2     37             
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     CD  A  37       1                                                       
HET     CD  B  37       1                                                       
HETNAM      CD CADMIUM ION                                                      
FORMUL   3   CD    2(CD 2+)                                                     
FORMUL   5  HOH   *53(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                CD    CD A  37     1555   1555  2.52  
LINK         SG  CYS A  12                CD    CD A  37     1555   1555  2.55  
LINK         SG  CYS A  28                CD    CD A  37     1555   1555  2.54  
LINK         SG  CYS A  29                CD    CD A  37     1555   1555  2.54  
LINK         SG  CYS B   9                CD    CD B  37     1555   1555  2.54  
LINK         SG  CYS B  12                CD    CD B  37     1555   1555  2.54  
LINK         SG  CYS B  28                CD    CD B  37     1555   1555  2.55  
LINK         SG  CYS B  29                CD    CD B  37     1555   1555  2.54  
SITE     1 CDA  4 CYS A   9  CYS A  12  CYS A  28  CYS A  29                    
SITE     1 CDB  4 CYS B   9  CYS B  12  CYS B  28  CYS B  29                    
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   27.950   27.950  130.940  90.00  90.00 120.00 P 31 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      0.035778  0.020656  0.000000        0.00000                         
SCALE2      0.000000  0.041313  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007637        0.00000                         
MTRIX1   1 -0.939027 -0.226955 -0.258303       47.12950    1                    
MTRIX2   1 -0.228768 -0.148457  0.962094      -24.85730    1                    
MTRIX3   1 -0.256699  0.962524  0.087485       33.36160    1