HEADER    ELECTRON TRANSPORT                      24-FEB-01   1I54              
TITLE     CYTOCHROME C (TUNA) 2FE:1ZN MIXED-METAL PORPHYRINS                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C;                                              
COMPND   3 CHAIN: A, B                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: THUNNUS THYNNUS;                                
SOURCE   3 ORGANISM_COMMON: BLUEFIN TUNA;                                       
SOURCE   4 ORGANISM_TAXID: 8237                                                 
KEYWDS    CYTOCHROME C, ZINC-PORPHYRIN, MIXED-METAL, ELECTRON TRANSPORT         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.R.CRANE,F.A.TEZCAN,J.R.WINKLER,H.B.GRAY                             
REVDAT   5   30-OCT-24 1I54    1       REMARK                                   
REVDAT   4   09-AUG-23 1I54    1       REMARK                                   
REVDAT   3   03-MAR-21 1I54    1       COMPND REMARK HET    HETNAM              
REVDAT   3 2                   1       HETSYN FORMUL LINK   ATOM                
REVDAT   2   24-FEB-09 1I54    1       VERSN                                    
REVDAT   1   09-MAY-01 1I54    0                                                
JRNL        AUTH   F.A.TEZCAN,B.R.CRANE,J.R.WINKLER,H.B.GRAY                    
JRNL        TITL   ELECTRON TUNNELING IN PROTEIN CRYSTALS.                      
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  98  5002 2001              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   11296248                                                     
JRNL        DOI    10.1073/PNAS.081072898                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 21.10                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 529342.820                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 86.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 27235                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.226                           
REMARK   3   FREE R VALUE                     : 0.247                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 8.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2172                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 63.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1833                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3850                       
REMARK   3   BIN FREE R VALUE                    : 0.3960                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 150                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.032                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1600                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 370                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 16.70                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.23000                                             
REMARK   3    B22 (A**2) : -0.23000                                             
REMARK   3    B33 (A**2) : 0.46000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.21                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.15                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.23                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.14                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.360                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 0.130 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 0.240 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 0.160 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 0.260 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 23.62                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN.PARAM                                  
REMARK   3  PARAMETER FILE  2  : PARAM19X.HEME                                  
REMARK   3  PARAMETER FILE  4  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : TOPH19X.HEME                                   
REMARK   3  TOPOLOGY FILE  3   : TOPHZN.HEME                                    
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: CRYSTALS CONTAIN A 2:1 MIXTURE OF         
REMARK   3  FE- AND ZN-PORPHYRIN. RESIDUES 1104 AND 1105                        
REMARK   3  AND RESIDUES 1106 AND 1107 WERE REFINED AS                          
REMARK   3  NON-INTERACTING METALLOPORPHYRINS OF OCCUPANCIES                    
REMARK   3  DETERMINED FROM ANOMALOUS SCATTERING EXPERIMENTS.                   
REMARK   3  NO STEREOCHEMICAL RESTRAINTS ON FE AND ZN                           
REMARK   3  INTERACTIONS                                                        
REMARK   4                                                                      
REMARK   4 1I54 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012915.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-FEB-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.0                                
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 RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27877                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 68.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.10                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23200                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 3CYT                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.67                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO4 NACL NAPI, PH 6.0, VAPOR       
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 298K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y,X,Z+3/4                                              
REMARK 290       4555   Y,-X,Z+1/4                                              
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       17.76900            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       26.65350            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        8.88450            
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 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 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    LYS A  27     -127.38   -107.77                                   
REMARK 500    ASN A  70       87.02   -162.58                                   
REMARK 500    LYS B  27     -135.90   -125.54                                   
REMARK 500    ASN B  70       87.92   -162.11                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A1258        DISTANCE =  6.20 ANGSTROMS                       
REMARK 525    HOH B1269        DISTANCE =  6.66 ANGSTROMS                       
REMARK 600                                                                      
REMARK 600 HETEROGEN                                                            
REMARK 600 THE RESIDUE 1104 OF HEM AND RESIDUE 1105 OF ZNH                      
REMARK 600 ARE ALTERNATE CONFORMERS WITH OCCUPANCY OF 0.68                      
REMARK 600 AND 0.32, RESPECTIVELY.  IN SIMILAR RESIDUE 1106                     
REMARK 600 OF HEM AND RESIDUE 1107 OF ZNH ARE ALTERNATE                         
REMARK 600 CONFORMERS WITH OCCUPANCY 0.68 AND 0.32,                             
REMARK 600 RESPECTIVELY.                                                        
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                             HEC A1104  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  18   NE2                                                    
REMARK 620 2 HEC A1104   NA   90.9                                              
REMARK 620 3 HEC A1104   NB   90.0  90.6                                        
REMARK 620 4 HEC A1104   NC   94.5 174.6  89.5                                  
REMARK 620 5 HEC A1104   ND   91.2  89.0 178.7  90.8                            
REMARK 620 6 MET A  80   SD  171.7  81.6  93.6  93.0  85.2                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             ZNH A1105  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  18   NE2                                                    
REMARK 620 2 ZNH A1105   NA   90.7                                              
REMARK 620 3 ZNH A1105   NB   89.7  90.1                                        
REMARK 620 4 ZNH A1105   NC   94.8 174.5  89.8                                  
REMARK 620 5 ZNH A1105   ND   91.4  89.1 178.7  90.9                            
REMARK 620 6 MET A  80   SD  171.4  81.3  93.5  93.2  85.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEC B1106  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  18   NE2                                                    
REMARK 620 2 HEC B1106   NA   93.1                                              
REMARK 620 3 HEC B1106   NB   93.2  90.7                                        
REMARK 620 4 HEC B1106   NC   92.9 173.9  89.1                                  
REMARK 620 5 HEC B1106   ND   88.6  89.9 178.1  90.1                            
REMARK 620 6 MET B  80   SD  173.9  83.2  91.8  90.7  86.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             ZNH B1107  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  18   NE2                                                    
REMARK 620 2 ZNH B1107   NA   92.7                                              
REMARK 620 3 ZNH B1107   NB   93.1  90.1                                        
REMARK 620 4 ZNH B1107   NC   93.3 174.0  89.8                                  
REMARK 620 5 ZNH B1107   ND   88.3  89.7 178.6  90.3                            
REMARK 620 6 MET B  80   SD  173.2  82.7  92.0  91.2  86.6                      
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 HEC A 1104                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 1106                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZNH A 1105                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZNH B 1107                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3CYT   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C (OXIDIZED)                                              
DBREF  1I54 A    1   103  UNP    P81459   CYC_THUAA        1    103             
DBREF  1I54 B    1   103  UNP    P81459   CYC_THUAA        1    103             
SEQRES   1 A  103  GLY ASP VAL ALA LYS GLY LYS LYS THR PHE VAL GLN LYS          
SEQRES   2 A  103  CYS ALA GLN CYS HIS THR VAL GLU ASN GLY GLY LYS HIS          
SEQRES   3 A  103  LYS VAL GLY PRO ASN LEU TRP GLY LEU PHE GLY ARG LYS          
SEQRES   4 A  103  THR GLY GLN ALA GLU GLY TYR SER TYR THR ASP ALA ASN          
SEQRES   5 A  103  LYS SER LYS GLY ILE VAL TRP ASN ASN ASP THR LEU MET          
SEQRES   6 A  103  GLU TYR LEU GLU ASN PRO LYS LYS TYR ILE PRO GLY THR          
SEQRES   7 A  103  LYS MET ILE PHE ALA GLY ILE LYS LYS LYS GLY GLU ARG          
SEQRES   8 A  103  GLN ASP LEU VAL ALA TYR LEU LYS SER ALA THR SER              
SEQRES   1 B  103  GLY ASP VAL ALA LYS GLY LYS LYS THR PHE VAL GLN LYS          
SEQRES   2 B  103  CYS ALA GLN CYS HIS THR VAL GLU ASN GLY GLY LYS HIS          
SEQRES   3 B  103  LYS VAL GLY PRO ASN LEU TRP GLY LEU PHE GLY ARG LYS          
SEQRES   4 B  103  THR GLY GLN ALA GLU GLY TYR SER TYR THR ASP ALA ASN          
SEQRES   5 B  103  LYS SER LYS GLY ILE VAL TRP ASN ASN ASP THR LEU MET          
SEQRES   6 B  103  GLU TYR LEU GLU ASN PRO LYS LYS TYR ILE PRO GLY THR          
SEQRES   7 B  103  LYS MET ILE PHE ALA GLY ILE LYS LYS LYS GLY GLU ARG          
SEQRES   8 B  103  GLN ASP LEU VAL ALA TYR LEU LYS SER ALA THR SER              
HET    HEC  A1104      43                                                       
HET    ZNH  A1105      43                                                       
HET    HEC  B1106      43                                                       
HET    ZNH  B1107      43                                                       
HETNAM     HEC HEME C                                                           
HETNAM     ZNH PROTOPORPHYRIN IX CONTAINING ZN                                  
FORMUL   3  HEC    2(C34 H34 FE N4 O4)                                          
FORMUL   4  ZNH    2(C34 H32 N4 O4 ZN)                                          
FORMUL   7  HOH   *370(H2 O)                                                    
HELIX    1   1 ASP A    2  CYS A   14  1                                  13    
HELIX    2   2 THR A   49  LYS A   55  1                                   7    
HELIX    3   3 ASN A   60  ASN A   70  1                                  11    
HELIX    4   4 ASN A   70  ILE A   75  1                                   6    
HELIX    5   5 LYS A   87  THR A  102  1                                  16    
HELIX    6   6 ASP B    2  CYS B   14  1                                  13    
HELIX    7   7 THR B   49  LYS B   55  1                                   7    
HELIX    8   8 ASN B   60  ASN B   70  1                                  11    
HELIX    9   9 ASN B   70  ILE B   75  1                                   6    
HELIX   10  10 LYS B   87  THR B  102  1                                  16    
LINK         SG  CYS A  14                 CABAHEC A1104     1555   1555  1.89  
LINK         SG  CYS A  14                 CABBZNH A1105     1555   1555  1.90  
LINK         SG  CYS A  17                 CACAHEC A1104     1555   1555  2.00  
LINK         SG  CYS A  17                 CACBZNH A1105     1555   1555  2.00  
LINK         SG  CYS B  14                 CABAHEC B1106     1555   1555  1.83  
LINK         SG  CYS B  14                 CABBZNH B1107     1555   1555  1.83  
LINK         SG  CYS B  17                 CACAHEC B1106     1555   1555  2.02  
LINK         SG  CYS B  17                 CACBZNH B1107     1555   1555  2.03  
LINK         NE2 HIS A  18                FE  AHEC A1104     1555   1555  1.99  
LINK         NE2 HIS A  18                ZN  BZNH A1105     1555   1555  1.99  
LINK         SD  MET A  80                FE  AHEC A1104     1555   1555  2.50  
LINK         SD  MET A  80                ZN  BZNH A1105     1555   1555  2.50  
LINK         NE2 HIS B  18                FE  AHEC B1106     1555   1555  2.00  
LINK         NE2 HIS B  18                ZN  BZNH B1107     1555   1555  2.00  
LINK         SD  MET B  80                FE  AHEC B1106     1555   1555  2.39  
LINK         SD  MET B  80                ZN  BZNH B1107     1555   1555  2.39  
SITE     1 AC1 22 LYS A  13  CYS A  14  CYS A  17  HIS A  18                    
SITE     2 AC1 22 VAL A  28  GLY A  29  PRO A  30  THR A  40                    
SITE     3 AC1 22 GLY A  41  TYR A  46  TYR A  48  THR A  49                    
SITE     4 AC1 22 ASN A  52  LYS A  55  TRP A  59  TYR A  67                    
SITE     5 AC1 22 THR A  78  LYS A  79  MET A  80  PHE A  82                    
SITE     6 AC1 22 LEU A  94  HOH A1127                                          
SITE     1 AC2 21 LYS B  13  CYS B  14  CYS B  17  HIS B  18                    
SITE     2 AC2 21 VAL B  28  GLY B  29  PRO B  30  THR B  40                    
SITE     3 AC2 21 GLY B  41  TYR B  46  TYR B  48  THR B  49                    
SITE     4 AC2 21 ASN B  52  LYS B  55  TRP B  59  TYR B  67                    
SITE     5 AC2 21 THR B  78  LYS B  79  MET B  80  PHE B  82                    
SITE     6 AC2 21 HOH B1144                                                     
SITE     1 AC3 21 LYS A  13  CYS A  14  CYS A  17  HIS A  18                    
SITE     2 AC3 21 VAL A  28  GLY A  29  PRO A  30  THR A  40                    
SITE     3 AC3 21 GLY A  41  TYR A  46  TYR A  48  THR A  49                    
SITE     4 AC3 21 ASN A  52  LYS A  55  TRP A  59  TYR A  67                    
SITE     5 AC3 21 THR A  78  LYS A  79  MET A  80  PHE A  82                    
SITE     6 AC3 21 HOH A1127                                                     
SITE     1 AC4 21 LYS B  13  CYS B  14  CYS B  17  HIS B  18                    
SITE     2 AC4 21 VAL B  28  GLY B  29  PRO B  30  THR B  40                    
SITE     3 AC4 21 GLY B  41  TYR B  46  TYR B  48  THR B  49                    
SITE     4 AC4 21 ASN B  52  LYS B  55  TRP B  59  TYR B  67                    
SITE     5 AC4 21 THR B  78  LYS B  79  MET B  80  PHE B  82                    
SITE     6 AC4 21 HOH B1144                                                     
CRYST1   74.180   74.180   35.538  90.00  90.00  90.00 P 43          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      0.013481  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013481  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.028139        0.00000