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Database: PDB
Entry: 3H4N
LinkDB: 3H4N
Original site: 3H4N 
HEADER    ELECTRON TRANSPORT                      20-APR-09   3H4N              
TITLE     PPCD, A CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C7;                                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CYTOCHROME C3;                                              
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GEOBACTER SULFURREDUCENS;                       
SOURCE   3 ORGANISM_TAXID: 35554;                                               
SOURCE   4 GENE: CYD-4, GSU1024;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: JCB7123                                    
KEYWDS    CYTOCHROME C7, MULTIHEME CYTOCHROME, GEOBACTER SULFURREDUCENS,        
KEYWDS   2 ELECTRON TRANSPORT                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.R.POKKULURI,M.SCHIFFER                                              
REVDAT   5   21-FEB-24 3H4N    1       REMARK                                   
REVDAT   4   24-JUL-19 3H4N    1       REMARK                                   
REVDAT   3   25-OCT-17 3H4N    1       REMARK                                   
REVDAT   2   28-APR-10 3H4N    1       JRNL                                     
REVDAT   1   29-DEC-09 3H4N    0                                                
JRNL        AUTH   P.R.POKKULURI,Y.Y.LONDER,X.YANG,N.E.DUKE,J.ERICKSON,         
JRNL        AUTH 2 V.ORSHONSKY,G.JOHNSON,M.SCHIFFER                             
JRNL        TITL   STRUCTURAL CHARACTERIZATION OF A FAMILY OF CYTOCHROMES C(7)  
JRNL        TITL 2 INVOLVED IN FE(III) RESPIRATION BY GEOBACTER SULFURREDUCENS. 
JRNL        REF    BIOCHIM.BIOPHYS.ACTA          V.1797   222 2010              
JRNL        REFN                   ISSN 0006-3002                               
JRNL        PMID   19857457                                                     
JRNL        DOI    10.1016/J.BBABIO.2009.10.007                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.24                                        
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 36.04                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 28548                          
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 + TEST SET) : 0.152                           
REMARK   3   R VALUE            (WORKING SET) : 0.149                           
REMARK   3   FREE R VALUE                     : 0.173                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3111                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.35                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.39                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1630                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1320                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 163                          
REMARK   3   BIN FREE R VALUE                    : 0.1570                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1005                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 258                                     
REMARK   3   SOLVENT ATOMS            : 195                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 8.87                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.36000                                             
REMARK   3    B22 (A**2) : 0.43000                                              
REMARK   3    B33 (A**2) : -0.07000                                             
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.068         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.056         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.030         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.697         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.964                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.955                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1419 ; 0.013 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  1159 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1973 ; 1.413 ; 2.510       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2748 ; 0.865 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   136 ; 5.232 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   153 ; 0.081 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1457 ; 0.011 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   178 ; 0.018 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   380 ; 0.428 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  1355 ; 0.244 ; 0.200       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):   637 ; 0.083 ; 0.200       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   115 ; 0.176 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    15 ; 0.149 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):    92 ; 0.246 ; 0.200       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    27 ; 0.128 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   679 ; 0.891 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1089 ; 1.462 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   740 ; 1.696 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   883 ; 2.362 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  1419 ; 0.980 ; 2.000       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):   195 ; 2.572 ; 2.000       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  1358 ; 1.413 ; 2.000       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     4        A    75                          
REMARK   3    ORIGIN FOR THE GROUP (A):  11.2871   3.4181   6.7204              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0183 T22:   0.0016                                     
REMARK   3      T33:   0.0100 T12:  -0.0053                                     
REMARK   3      T13:  -0.0045 T23:   0.0021                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.3495 L22:   0.5571                                     
REMARK   3      L33:   0.5731 L12:  -0.2371                                     
REMARK   3      L13:  -0.4005 L23:   0.2346                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0046 S12:  -0.0600 S13:   0.0116                       
REMARK   3      S21:   0.0193 S22:  -0.0095 S23:   0.0023                       
REMARK   3      S31:   0.0008 S32:   0.0296 S33:   0.0048                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     4        B    75                          
REMARK   3    ORIGIN FOR THE GROUP (A):   4.4214   5.3074  31.3540              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0152 T22:   0.0183                                     
REMARK   3      T33:   0.0023 T12:   0.0080                                     
REMARK   3      T13:   0.0039 T23:   0.0060                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.2289 L22:   0.5850                                     
REMARK   3      L33:   0.2710 L12:   0.1301                                     
REMARK   3      L13:  -0.1256 L23:  -0.1562                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0353 S12:   0.1042 S13:   0.0324                       
REMARK   3      S21:  -0.0140 S22:  -0.0189 S23:   0.0007                       
REMARK   3      S31:  -0.0040 S32:  -0.0410 S33:  -0.0164                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3H4N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAY-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000052686.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-AUG-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.74041, 1.73818, 1.78832,         
REMARK 200                                   1.69077, 1.0332                    
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : CUSTOM-MADE                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 60576                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.340                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.04700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 42.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.34                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.39                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 79.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.14700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 8.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.58                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTAL OBTAINED FROM INDEX SCREEN-95    
REMARK 280  (30% PEG MONOMETHYLETHER 2000, 0.1 M POTASSIUM THIOCYANATE), PH     
REMARK 280  7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       13.70000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       47.40000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       27.95000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       47.40000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       13.70000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       27.95000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: TWO MOLECULES PER ASYMMETRIC UNIT; MONOMER IN SOLUTION       
REMARK 300 BASED ON SIZE EXCLUSION COLUMN CHROMATOGRAPHY AND DYNAMIC LIGHT      
REMARK 300 SCATTERING                                                           
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     HIS A     0                                                      
REMARK 465     ASP A     1                                                      
REMARK 465     LYS A     2                                                      
REMARK 465     LYS A    71                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     ASP B     1                                                      
REMARK 465     LYS B    71                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   SG   CYS A    65     CAB  HEM A    74              1.91            
REMARK 500   SG   CYS B    51     CAB  HEM B    73              1.92            
REMARK 500   SG   CYS A    51     CAB  HEM A    73              1.92            
REMARK 500   SG   CYS A    27     CAB  HEM A    72              1.93            
REMARK 500   SG   CYS B    65     CAB  HEM B    74              1.94            
REMARK 500   SG   CYS A    30     CAC  HEM A    72              1.94            
REMARK 500   SG   CYS A    54     CAC  HEM A    73              1.94            
REMARK 500   SG   CYS B    27     CAB  HEM B    72              1.94            
REMARK 500   SG   CYS B    30     CAC  HEM B    72              1.97            
REMARK 500   SG   CYS B    54     CAC  HEM B    73              2.01            
REMARK 500   SG   CYS A    68     CAC  HEM A    74              2.02            
REMARK 500   SD   MET B    58     O    HOH B    79              2.04            
REMARK 500   SG   CYS B    68     CAC  HEM B    74              2.06            
REMARK 500   OE2  GLU A    32     O    HOH A   123              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLU A  26     -125.01     46.00                                   
REMARK 500    GLU B  26     -132.14     50.16                                   
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                             HEM A  72  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  17   NE2                                                    
REMARK 620 2 HEM A  72   NA   91.4                                              
REMARK 620 3 HEM A  72   NB   92.9  89.7                                        
REMARK 620 4 HEM A  72   NC   90.2 178.4  89.6                                  
REMARK 620 5 HEM A  72   ND   88.8  89.5 178.1  91.1                            
REMARK 620 6 HIS A  31   NE2 175.5  90.6  91.2  88.0  87.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A  73  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  20   NE2                                                    
REMARK 620 2 HEM A  73   NA   91.4                                              
REMARK 620 3 HEM A  73   NB   90.0  89.5                                        
REMARK 620 4 HEM A  73   NC   89.5 179.0  90.2                                  
REMARK 620 5 HEM A  73   ND   90.3  91.0 179.5  89.3                            
REMARK 620 6 HIS A  55   NE2 178.4  90.1  90.5  89.0  89.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A  74  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  47   NE2                                                    
REMARK 620 2 HEM A  74   NA   89.0                                              
REMARK 620 3 HEM A  74   NB   87.2  89.2                                        
REMARK 620 4 HEM A  74   NC   92.4 178.4  91.7                                  
REMARK 620 5 HEM A  74   ND   94.8  90.1 178.0  88.9                            
REMARK 620 6 HIS A  69   NE2 176.1  88.8  89.5  89.8  88.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B  72  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  17   NE2                                                    
REMARK 620 2 HEM B  72   NA   89.4                                              
REMARK 620 3 HEM B  72   NB   89.8  90.7                                        
REMARK 620 4 HEM B  72   NC   91.3 179.2  89.6                                  
REMARK 620 5 HEM B  72   ND   91.6  88.5 178.3  91.2                            
REMARK 620 6 HIS B  31   NE2 177.5  88.7  88.6  90.5  90.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B  73  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  20   NE2                                                    
REMARK 620 2 HEM B  73   NA   90.0                                              
REMARK 620 3 HEM B  73   NB   91.4  89.2                                        
REMARK 620 4 HEM B  73   NC   90.0 179.6  91.1                                  
REMARK 620 5 HEM B  73   ND   89.2  90.2 179.2  89.4                            
REMARK 620 6 HIS B  55   NE2 175.9  94.1  88.2  85.9  91.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B  74  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  47   NE2                                                    
REMARK 620 2 HEM B  74   NA   92.3                                              
REMARK 620 3 HEM B  74   NB   87.4  90.2                                        
REMARK 620 4 HEM B  74   NC   87.8 178.8  90.9                                  
REMARK 620 5 HEM B  74   ND   93.2  89.7 179.5  89.2                            
REMARK 620 6 HIS B  69   NE2 177.5  87.8  90.1  92.2  89.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 72                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 73                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 74                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 72                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 73                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 74                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1OS6   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS                          
REMARK 900 RELATED ID: 3BXU   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS                          
REMARK 900 RELATED ID: 3H33   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS                          
REMARK 900 RELATED ID: 3H34   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C7 FROM GEOBACTER SULFURREDUCENS                          
DBREF  3H4N A    0    71  UNP    Q74ED8   Q74ED8_GEOSL    21     92             
DBREF  3H4N B    0    71  UNP    Q74ED8   Q74ED8_GEOSL    21     92             
SEQRES   1 A   72  HIS ASP LYS VAL VAL VAL LEU GLU ALA LYS ASN GLY ASN          
SEQRES   2 A   72  VAL THR PHE ASP HIS LYS LYS HIS ALA GLY VAL LYS GLY          
SEQRES   3 A   72  GLU CYS LYS ALA CYS HIS GLU THR GLU ALA GLY GLY LYS          
SEQRES   4 A   72  ILE ALA GLY MET GLY LYS ASP TRP ALA HIS LYS THR CYS          
SEQRES   5 A   72  THR GLY CYS HIS LYS GLU MET GLY LYS GLY PRO THR LYS          
SEQRES   6 A   72  CYS GLY GLU CYS HIS LYS LYS                                  
SEQRES   1 B   72  HIS ASP LYS VAL VAL VAL LEU GLU ALA LYS ASN GLY ASN          
SEQRES   2 B   72  VAL THR PHE ASP HIS LYS LYS HIS ALA GLY VAL LYS GLY          
SEQRES   3 B   72  GLU CYS LYS ALA CYS HIS GLU THR GLU ALA GLY GLY LYS          
SEQRES   4 B   72  ILE ALA GLY MET GLY LYS ASP TRP ALA HIS LYS THR CYS          
SEQRES   5 B   72  THR GLY CYS HIS LYS GLU MET GLY LYS GLY PRO THR LYS          
SEQRES   6 B   72  CYS GLY GLU CYS HIS LYS LYS                                  
HET    HEM  A  72      43                                                       
HET    HEM  A  73      48                                                       
HET    HEM  A  74      46                                                       
HET    HEM  B  72      43                                                       
HET    HEM  B  73      43                                                       
HET    HEM  B  74      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   3  HEM    6(C34 H32 FE N4 O4)                                          
FORMUL   9  HOH   *195(H2 O)                                                    
HELIX    1   1 ASP A   16  ALA A   21  5                                   6    
HELIX    2   2 GLY A   25  CYS A   30  5                                   6    
HELIX    3   3 GLY A   42  GLY A   59  1                                  17    
HELIX    4   4 LYS A   64  HIS A   69  1                                   6    
HELIX    5   5 HIS B   17  ALA B   21  5                                   5    
HELIX    6   6 GLY B   25  CYS B   30  5                                   6    
HELIX    7   7 GLY B   42  GLY B   59  1                                  17    
HELIX    8   8 LYS B   64  HIS B   69  1                                   6    
SHEET    1   A 2 VAL A   4  LEU A   6  0                                        
SHEET    2   A 2 VAL A  13  PHE A  15 -1  O  VAL A  13   N  LEU A   6           
SHEET    1   B 2 VAL B   4  LEU B   6  0                                        
SHEET    2   B 2 VAL B  13  PHE B  15 -1  O  VAL B  13   N  LEU B   6           
LINK         NE2 HIS A  17                FE   HEM A  72     1555   1555  2.06  
LINK         NE2 HIS A  20                FE   HEM A  73     1555   1555  2.03  
LINK         NE2 HIS A  31                FE   HEM A  72     1555   1555  2.05  
LINK         NE2 HIS A  47                FE   HEM A  74     1555   1555  2.08  
LINK         NE2 HIS A  55                FE   HEM A  73     1555   1555  2.02  
LINK         NE2 HIS A  69                FE   HEM A  74     1555   1555  2.05  
LINK         NE2 HIS B  17                FE   HEM B  72     1555   1555  2.03  
LINK         NE2 HIS B  20                FE   HEM B  73     1555   1555  2.04  
LINK         NE2 HIS B  31                FE   HEM B  72     1555   1555  2.01  
LINK         NE2 HIS B  47                FE   HEM B  74     1555   1555  2.05  
LINK         NE2 HIS B  55                FE   HEM B  73     1555   1555  2.07  
LINK         NE2 HIS B  69                FE   HEM B  74     1555   1555  2.03  
SITE     1 AC1 22 LYS A   9  PHE A  15  HIS A  17  HIS A  20                    
SITE     2 AC1 22 GLU A  26  CYS A  27  CYS A  30  HIS A  31                    
SITE     3 AC1 22 GLU A  33  ALA A  34  GLY A  35  GLY A  36                    
SITE     4 AC1 22 LYS A  37  ILE A  38  LYS A  43  HEM A  73                    
SITE     5 AC1 22 HEM A  74  HOH A  84  HOH A 109  HOH A 112                    
SITE     6 AC1 22 HOH A 133  HOH A 142                                          
SITE     1 AC2 23 VAL A  13  THR A  14  ASP A  16  LYS A  19                    
SITE     2 AC2 23 HIS A  20  THR A  49A CYS A  51  CYS A  54                    
SITE     3 AC2 23 HIS A  55  MET A  58  PRO A  62  HEM A  72                    
SITE     4 AC2 23 HOH A  77  HOH A  78  HOH A 116  HOH A 127                    
SITE     5 AC2 23 HOH A 161  HOH A 172  GLY B  59  LYS B  60                    
SITE     6 AC2 23 GLY B  61  HOH B 100  HOH B 181                               
SITE     1 AC3 21 LEU A   6  GLU A   7  ALA A   8  LYS A   9                    
SITE     2 AC3 21 ASN A  10  LYS A  37  MET A  41  GLY A  42                    
SITE     3 AC3 21 LYS A  43  ALA A  46  HIS A  47  THR A  52                    
SITE     4 AC3 21 PRO A  62  THR A  63  LYS A  64  CYS A  65                    
SITE     5 AC3 21 CYS A  68  HIS A  69  HEM A  72  HOH A  87                    
SITE     6 AC3 21 HOH A 113                                                     
SITE     1 AC4 22 PHE B  15  HIS B  17  HIS B  20  VAL B  23                    
SITE     2 AC4 22 GLU B  26  CYS B  27  CYS B  30  HIS B  31                    
SITE     3 AC4 22 GLU B  33  GLY B  35  GLY B  36  LYS B  37                    
SITE     4 AC4 22 ILE B  38  MET B  41  LYS B  43  HEM B  73                    
SITE     5 AC4 22 HEM B  74  HOH B  80  HOH B  92  HOH B 107                    
SITE     6 AC4 22 HOH B 131  HOH B 168                                          
SITE     1 AC5 18 GLU A  67  LYS A  70  THR B  14  PHE B  15                    
SITE     2 AC5 18 LYS B  19  HIS B  20  VAL B  23  THR B  49A                   
SITE     3 AC5 18 CYS B  51  CYS B  54  HIS B  55  LYS B  60                    
SITE     4 AC5 18 PRO B  62  HEM B  72  HOH B 109  HOH B 112                    
SITE     5 AC5 18 HOH B 126  HOH B 179                                          
SITE     1 AC6 23 LYS A  24  LEU B   6  GLU B   7  ALA B   8                    
SITE     2 AC6 23 LYS B   9  ASN B  10  HIS B  17  GLY B  42                    
SITE     3 AC6 23 LYS B  43  ALA B  46  HIS B  47  THR B  52                    
SITE     4 AC6 23 PRO B  62  THR B  63  LYS B  64  CYS B  65                    
SITE     5 AC6 23 CYS B  68  HIS B  69  HEM B  72  HOH B 102                    
SITE     6 AC6 23 HOH B 138  HOH B 193  HOH B 197                               
CRYST1   27.400   55.900   94.800  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.036496  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017889  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010549        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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