HEADER    ELECTRON TRANSPORT                      11-SEP-00   1FT5              
TITLE     CRYSTAL STRUCTURE OF THE OXIDIZED STATE OF CYTOCHROME C554 FROM       
TITLE    2 NITROSOMONAS EUROPAEA                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C554;                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: C554, HYDROXYLAMINE OXIDOREDUCTASE-LINKED CYTOCHROME        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NITROSOMONAS EUROPAEA;                          
SOURCE   3 ORGANISM_TAXID: 915;                                                 
SOURCE   4 OTHER_DETAILS: CHEMOAUTOTROPHIC BACTERIUM INVOLVED IN BIOLOGICAL     
SOURCE   5 NITRIFICATION                                                        
KEYWDS    HEME-STACKING, ELECTRON TRANSPORT                                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    T.M.IVERSON,D.M.ARCIERO,A.B.HOOPER,D.C.REES                           
REVDAT   7   16-OCT-24 1FT5    1       REMARK LINK                              
REVDAT   6   14-AUG-19 1FT5    1       REMARK                                   
REVDAT   5   24-JUL-19 1FT5    1       REMARK LINK                              
REVDAT   4   24-FEB-09 1FT5    1       VERSN                                    
REVDAT   3   01-APR-03 1FT5    1       JRNL                                     
REVDAT   2   06-JUN-01 1FT5    1       JRNL                                     
REVDAT   1   20-SEP-00 1FT5    0                                                
JRNL        AUTH   T.M.IVERSON,D.M.ARCIERO,A.B.HOOPER,D.C.REES                  
JRNL        TITL   HIGH-RESOLUTION STRUCTURES OF THE OXIDIZED AND REDUCED       
JRNL        TITL 2 STATES OF CYTOCHROME C554 FROM NITROSOMONAS EUROPAEA.        
JRNL        REF    J.BIOL.INORG.CHEM.            V.   6   390 2001              
JRNL        REFN                   ISSN 0949-8257                               
JRNL        PMID   11372197                                                     
JRNL        DOI    10.1007/S007750100213                                        
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   T.M.IVERSON,D.M.ARCIERO,B.T.HSU,M.S.LOGAN,A.B.HOOPER,        
REMARK   1  AUTH 2 D.C.REES                                                     
REMARK   1  TITL   HEME PACKING MOTIFS REVEALED BY THE CRYSTAL STRUCTURE OF THE 
REMARK   1  TITL 2 TETRA-HEME CYTOCHROME C554 FROM NITROSOMONAS EUROPAEA        
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   5  1005 1998              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  DOI    10.1038/2975                                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 35562                          
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) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.215                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1808                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1659                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 187                                     
REMARK   3   SOLVENT ATOMS            : 142                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 18.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.021                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.990                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1FT5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-SEP-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000011878.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-APR-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 93                                 
REMARK 200  PH                             : 10.1                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.08                               
REMARK 200  MONOCHROMATOR                  : NULL                               
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   : 35562                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.3                               
REMARK 200  DATA REDUNDANCY                : 3.080                              
REMARK 200  R MERGE                    (I) : 0.04500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.68                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 86.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.17400                            
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: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.21                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 62.5% W/VOL POTASSIUM PHOSPHATE PH       
REMARK 280  10.1, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       73.94600            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       42.69274            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       11.30433            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       73.94600            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       42.69274            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       11.30433            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       73.94600            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       42.69274            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       11.30433            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       85.38549            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       22.60867            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       85.38549            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       22.60867            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       85.38549            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       22.60867            
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: 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 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   O    HOH A   351     O    HOH A   359              1.89            
REMARK 500   O    HOH A   317     O    HOH A   342              2.02            
REMARK 500   O    HOH A   271     O    HOH A   345              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   328     O    HOH A   329     9664     1.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 133   NE  -  CZ  -  NH1 ANGL. DEV. =  -3.4 DEGREES          
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    CYS A  60      -38.68   -133.47                                   
REMARK 500    PHE A 130      -31.39     69.78                                   
REMARK 500    MET A 178      -87.24   -100.41                                   
REMARK 500    HIS A 179      157.53    178.89                                   
REMARK 500    ALA A 207       84.73    -38.90                                   
REMARK 500    LYS A 209      127.74     84.88                                   
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 213  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  15   NE2                                                    
REMARK 620 2 HEM A 213   NA   89.1                                              
REMARK 620 3 HEM A 213   NB   92.3  88.9                                        
REMARK 620 4 HEM A 213   NC   88.3 176.3  88.7                                  
REMARK 620 5 HEM A 213   ND   88.4  91.1 179.3  91.4                            
REMARK 620 6 HIS A 102   ND1 176.8  87.9  86.6  94.7  92.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 216  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  27   NE2                                                    
REMARK 620 2 HEM A 216   NA   90.1                                              
REMARK 620 3 HEM A 216   NB   92.5  89.7                                        
REMARK 620 4 HEM A 216   NC   90.6 179.2  89.9                                  
REMARK 620 5 HEM A 216   ND   89.0  91.1 178.3  89.3                            
REMARK 620 6 HIS A 138   NE2 176.9  87.6  89.6  91.7  88.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 214  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  64   NE2                                                    
REMARK 620 2 HEM A 214   NA   93.4                                              
REMARK 620 3 HEM A 214   NB   95.8  87.3                                        
REMARK 620 4 HEM A 214   NC  101.2 165.2  89.1                                  
REMARK 620 5 HEM A 214   ND  103.7  89.7 160.4  88.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 215  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  92   NE2                                                    
REMARK 620 2 HEM A 215   NA   89.6                                              
REMARK 620 3 HEM A 215   NB   93.6  90.1                                        
REMARK 620 4 HEM A 215   NC   88.1 177.7  89.8                                  
REMARK 620 5 HEM A 215   ND   85.0  90.6 178.4  89.4                            
REMARK 620 6 HIS A 179   NE2 176.9  89.4  89.4  92.8  92.0                      
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 PO4 A 217                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 218                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 219                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 213                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 214                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 215                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 216                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BVB   RELATED DB: PDB                                   
REMARK 900 1BVB IS THE STRUCTURE DETERMINATION OF CYTOCHROME C554 FROM          
REMARK 900 NITROSOMONAS EUROPAEA                                                
REMARK 900 RELATED ID: 1FT6   RELATED DB: PDB                                   
REMARK 900 1FT6 IS REDUCED CYTOCHROME C554                                      
DBREF  1FT5 A    1   211  UNP    Q57142   C554_NITEU      25    235             
SEQRES   1 A  211  ALA ASP ALA PRO PHE GLU GLY ARG LYS LYS CYS SER SER          
SEQRES   2 A  211  CYS HIS LYS ALA GLN ALA GLN SER TRP LYS ASP THR ALA          
SEQRES   3 A  211  HIS ALA LYS ALA MET GLU SER LEU LYS PRO ASN VAL LYS          
SEQRES   4 A  211  LYS GLU ALA LYS GLN LYS ALA LYS LEU ASP PRO ALA LYS          
SEQRES   5 A  211  ASP TYR THR GLN ASP LYS ASP CYS VAL GLY CYS HIS VAL          
SEQRES   6 A  211  ASP GLY PHE GLY GLN LYS GLY GLY TYR THR ILE GLU SER          
SEQRES   7 A  211  PRO LYS PRO MET LEU THR GLY VAL GLY CYS GLU SER CYS          
SEQRES   8 A  211  HIS GLY PRO GLY ARG ASN PHE ARG GLY ASP HIS ARG LYS          
SEQRES   9 A  211  SER GLY GLN ALA PHE GLU LYS SER GLY LYS LYS THR PRO          
SEQRES  10 A  211  ARG LYS ASP LEU ALA LYS LYS GLY GLN ASP PHE HIS PHE          
SEQRES  11 A  211  GLU GLU ARG CYS SER ALA CYS HIS LEU ASN TYR GLU GLY          
SEQRES  12 A  211  SER PRO TRP LYS GLY ALA LYS ALA PRO TYR THR PRO PHE          
SEQRES  13 A  211  THR PRO GLU VAL ASP ALA LYS TYR THR PHE LYS PHE ASP          
SEQRES  14 A  211  GLU MET VAL LYS GLU VAL LYS ALA MET HIS GLU HIS TYR          
SEQRES  15 A  211  LYS LEU GLU GLY VAL PHE GLU GLY GLU PRO LYS PHE LYS          
SEQRES  16 A  211  PHE HIS ASP GLU PHE GLN ALA SER ALA LYS PRO ALA LYS          
SEQRES  17 A  211  LYS GLY LYS                                                  
HET    PO4  A 217       5                                                       
HET    PO4  A 218       5                                                       
HET    PO4  A 219       5                                                       
HET    HEM  A 213      43                                                       
HET    HEM  A 214      43                                                       
HET    HEM  A 215      43                                                       
HET    HEM  A 216      43                                                       
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  PO4    3(O4 P 3-)                                                   
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   9  HOH   *142(H2 O)                                                    
HELIX    1   1 ARG A    8  HIS A   15  1                                   8    
HELIX    2   2 HIS A   15  LYS A   23  1                                   9    
HELIX    3   3 ASP A   24  THR A   25  5                                   2    
HELIX    4   4 ALA A   26  ALA A   30  5                                   5    
HELIX    5   5 MET A   31  LYS A   35  5                                   5    
HELIX    6   6 LYS A   39  ALA A   46  1                                   8    
HELIX    7   7 CYS A   60  HIS A   64  5                                   5    
HELIX    8   8 LYS A   80  LEU A   83  5                                   4    
HELIX    9   9 GLY A   87  GLY A   93  1                                   7    
HELIX   10  10 PHE A   98  GLY A  113  1                                  16    
HELIX   11  11 ARG A  118  LYS A  124  1                                   7    
HELIX   12  12 PHE A  130  LEU A  139  1                                  10    
HELIX   13  13 ASP A  161  THR A  165  5                                   5    
HELIX   14  14 LYS A  167  VAL A  172  1                                   6    
HELIX   15  15 PHE A  196  SER A  203  1                                   8    
SHEET    1   A 2 THR A 116  PRO A 117  0                                        
SHEET    2   A 2 PHE A 188  GLU A 189  1  N  GLU A 189   O  THR A 116           
LINK         SG  CYS A  11                 CAB HEM A 213     1555   1555  1.76  
LINK         SG  CYS A  14                 CAC HEM A 213     1555   1555  1.87  
LINK         SG  CYS A  60                 CAB HEM A 214     1555   1555  1.80  
LINK         SG  CYS A  63                 CAC HEM A 214     1555   1555  1.88  
LINK         SG  CYS A  88                 CAB HEM A 215     1555   1555  1.81  
LINK         SG  CYS A  91                 CAC HEM A 215     1555   1555  1.85  
LINK         SG  CYS A 134                 CAB HEM A 216     1555   1555  1.75  
LINK         SG  CYS A 137                 CAC HEM A 216     1555   1555  1.85  
LINK         NE2 HIS A  15                FE   HEM A 213     1555   1555  1.95  
LINK         NE2 HIS A  27                FE   HEM A 216     1555   1555  1.97  
LINK         NE2 HIS A  64                FE   HEM A 214     1555   1555  2.17  
LINK         NE2 HIS A  92                FE   HEM A 215     1555   1555  2.03  
LINK         ND1 HIS A 102                FE   HEM A 213     1555   1555  2.08  
LINK         NE2 HIS A 138                FE   HEM A 216     1555   1555  2.03  
LINK         NE2 HIS A 179                FE   HEM A 215     1555   1555  2.01  
CISPEP   1 ALA A  151    PRO A  152          0        -0.35                     
CISPEP   2 GLU A  191    PRO A  192          0        -0.02                     
SITE     1 AC1  4 PHE A  68  THR A  75  ILE A  76  GLU A  77                    
SITE     1 AC2  2 ARG A   8  SER A  12                                          
SITE     1 AC3  4 MET A  31  GLU A  32  LYS A  35  HOH A 256                    
SITE     1 AC4 19 LYS A  10  CYS A  11  CYS A  14  HIS A  15                    
SITE     2 AC4 19 HIS A  92  GLY A  95  PHE A  98  HIS A 102                    
SITE     3 AC4 19 ARG A 103  ARG A 118  GLN A 126  PHE A 128                    
SITE     4 AC4 19 LEU A 184  GLU A 185  GLY A 186  VAL A 187                    
SITE     5 AC4 19 HEM A 215  HOH A 239  HOH A 245                               
SITE     1 AC5 25 SER A  33  LEU A  34  LYS A  39  ALA A  42                    
SITE     2 AC5 25 TYR A  54  ASP A  59  CYS A  60  CYS A  63                    
SITE     3 AC5 25 HIS A  64  CYS A 137  HIS A 138  ASN A 140                    
SITE     4 AC5 25 PRO A 152  TYR A 153  THR A 154  PRO A 155                    
SITE     5 AC5 25 PHE A 156  TYR A 164  HEM A 216  HOH A 259                    
SITE     6 AC5 25 HOH A 278  HOH A 324  HOH A 325  HOH A 339                    
SITE     7 AC5 25 HOH A 350                                                     
SITE     1 AC6 19 HIS A  15  GLN A  18  TRP A  22  HIS A  27                    
SITE     2 AC6 19 GLY A  87  CYS A  88  CYS A  91  HIS A  92                    
SITE     3 AC6 19 VAL A 172  MET A 178  HIS A 179  HIS A 181                    
SITE     4 AC6 19 TYR A 182  PHE A 194  HIS A 197  HEM A 213                    
SITE     5 AC6 19 HOH A 242  HOH A 245  HOH A 252                               
SITE     1 AC7 21 ALA A  26  HIS A  27  ALA A  30  SER A  33                    
SITE     2 AC7 21 LYS A  39  CYS A  63  HIS A  64  SER A  90                    
SITE     3 AC7 21 ARG A 133  CYS A 134  CYS A 137  HIS A 138                    
SITE     4 AC7 21 MET A 171  ALA A 177  MET A 178  HEM A 214                    
SITE     5 AC7 21 HOH A 234  HOH A 283  HOH A 289  HOH A 325                    
SITE     6 AC7 21 HOH A 331                                                     
CRYST1  147.892  147.892   33.913  90.00  90.00 120.00 H 3           9          
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      0.006762  0.003904  0.000000        0.00000                         
SCALE2      0.000000  0.007808  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.029487        0.00000