HEADER    OXIDOREDUCTASE                          15-JAN-07   2E81              
TITLE     CYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES WITH BOUND 
TITLE    2 INTERMEDIATE HYDROXYLAMINE                                           
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C-552;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: AMMONIA-FORMING CYTOCHROME C NITRITE REDUCTASE, CYTOCHROME C
COMPND   5 NITRITE REDUCTASE;                                                   
COMPND   6 EC: 1.7.2.2                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: WOLINELLA SUCCINOGENES;                         
SOURCE   3 ORGANISM_TAXID: 273121;                                              
SOURCE   4 STRAIN: DSM 1740                                                     
KEYWDS    MULTIHEME CYTOCHROME, NITRITE REDUCTASE, REACTION INTERMEDIATE,       
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.EINSLE,P.M.H.KRONECK                                                
REVDAT   6   06-NOV-24 2E81    1       REMARK                                   
REVDAT   5   25-OCT-23 2E81    1       REMARK LINK                              
REVDAT   4   11-OCT-17 2E81    1       REMARK                                   
REVDAT   3   13-JUL-11 2E81    1       VERSN                                    
REVDAT   2   24-FEB-09 2E81    1       VERSN                                    
REVDAT   1   30-JAN-07 2E81    0                                                
JRNL        AUTH   O.EINSLE,A.MESSERSCHMIDT,R.HUBER,P.M.H.KRONECK,F.NEESE       
JRNL        TITL   MECHANISM OF THE SIX-ELECTRON REDUCTION OF NITRITE TO        
JRNL        TITL 2 AMMONIA BY CYTOCHROME C NITRITE REDUCTASE                    
JRNL        REF    J.AM.CHEM.SOC.                V. 124 11737 2002              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   12296741                                                     
JRNL        DOI    10.1021/JA0206487                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   O.EINSLE,A.MESSERSCHMIDT,P.STACH,G.P.BOURENKOV,H.D.BARTUNIK, 
REMARK   1  AUTH 2 R.HUBER,P.M.H.KRONECK                                        
REMARK   1  TITL   STRUCTURE OF CYTOCHROME C NITRITE REDUCTASE                  
REMARK   1  REF    NATURE                        V. 400   476 1999              
REMARK   1  REFN                   ISSN 0028-0836                               
REMARK   1  PMID   10440380                                                     
REMARK   1  DOI    10.1038/22802                                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   O.EINSLE,P.STACH,A.MESSERSCHMIDT,J.SIMON,A.KROEGER,R.HUBER,  
REMARK   1  AUTH 2 P.M.H.KRONECK                                                
REMARK   1  TITL   CYTOCHROME C NITRITE REDUCTASE FROM WOLINELLA SUCCINOGENES.  
REMARK   1  TITL 2 STRUCTURE AT 1.6 A RESOLUTION, INHIBITOR BINDING, AND        
REMARK   1  TITL 3 HEME-PACKING MOTIFS                                          
REMARK   1  REF    J.BIOL.CHEM.                  V. 275 39608 2000              
REMARK   1  REFN                   ISSN 0021-9258                               
REMARK   1  PMID   10984487                                                     
REMARK   1  DOI    10.1074/JBC.M006188200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 43459                          
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 SET) : 0.187                           
REMARK   3   FREE R VALUE                     : 0.223                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 2292                            
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            : 3772                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 221                                     
REMARK   3   SOLVENT ATOMS            : 431                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 38.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 38.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.21000                                             
REMARK   3    B22 (A**2) : -3.21000                                             
REMARK   3    B33 (A**2) : 6.42100                                              
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) : 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) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.259                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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 2E81 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-JAN-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000026341.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MPG/DESY, HAMBURG                  
REMARK 200  BEAMLINE                       : BW6                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.05                               
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45781                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.10                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: 1FS7                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 4000, 0.2M AMMONIUM SULFATE,     
REMARK 280  0.015M YTTRIUM CHLORIDE, 0.1M SODIUM ACETATE, PH 5.7, VAPOR         
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 293K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 41 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       3555   -Y,X+1/2,Z+1/4                                          
REMARK 290       4555   Y+1/2,-X,Z+3/4                                          
REMARK 290       5555   -X+1/2,Y,-Z+3/4                                         
REMARK 290       6555   X,-Y+1/2,-Z+1/4                                         
REMARK 290       7555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X,-Y,Z                                                 
REMARK 290      11555   -Y+1/2,X,Z+3/4                                          
REMARK 290      12555   Y,-X+1/2,Z+1/4                                          
REMARK 290      13555   -X,Y+1/2,-Z+1/4                                         
REMARK 290      14555   X+1/2,-Y,-Z+3/4                                         
REMARK 290      15555   Y,X,-Z                                                  
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
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       59.94550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000       59.94550            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       93.11200            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       46.55600            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       59.94550            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      139.66800            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      139.66800            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       59.94550            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       46.55600            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000       59.94550            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       93.11200            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       59.94550            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       93.11200            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       59.94550            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000      139.66800            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       46.55600            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       59.94550            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       46.55600            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000      139.66800            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       59.94550            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       59.94550            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       93.11200            
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 300 REMARK: BIOLOGICAL UNIT IS A DIMER, CREATED BY THE CRYSTALLOGRAPHIC  
REMARK 300 TWOFOLD AXIS.                                                        
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 16900 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 36700 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -322.0 KCAL/MOL                       
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   BIOMT1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      119.89100            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 Y    YT3 A 803  LIES ON A SPECIAL POSITION.                          
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     SER A    23                                                      
REMARK 465     ASN A    24                                                      
REMARK 465     ILE A    25                                                      
REMARK 465     ASN A    26                                                      
REMARK 465     GLU A    27                                                      
REMARK 465     ARG A    28                                                      
REMARK 465     GLU A    29                                                      
REMARK 465     LYS A    30                                                      
REMARK 465     GLU A    31                                                      
REMARK 465     ARG A    32                                                      
REMARK 465     VAL A    33                                                      
REMARK 465     ALA A    34                                                      
REMARK 465     LEU A    35                                                      
REMARK 465     ASN A    36                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A  226   CB   CG   CD   CE   NZ                              
REMARK 480     LYS A  229   CD   CE   NZ                                        
REMARK 480     ARG A  331   CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 480     LYS A  336   CG   CD   CE   NZ                                   
REMARK 480     LYS A  342   CE   NZ                                             
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   OE2  GLU A    45     O    HOH A  1932    12555     1.37            
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    HIS A  40       40.69   -146.35                                   
REMARK 500    THR A 132      -52.17    -28.27                                   
REMARK 500    ILE A 166      110.85    -19.51                                   
REMARK 500    HIS A 277       71.01     21.21                                   
REMARK 500    ALA A 307      -32.95     77.88                                   
REMARK 500    ASN A 321       49.23   -142.54                                   
REMARK 500    MET A 327       24.05    -61.22                                   
REMARK 500    SER A 333      133.91    -38.20                                   
REMARK 500    PHE A 445       55.61   -144.54                                   
REMARK 500    THR A 472      -84.49   -116.66                                   
REMARK 500    THR A 505     -102.77     82.44                                   
REMARK 500    LYS A 506     -159.95    -48.85                                   
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 A1510  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 102   NE2                                                    
REMARK 620 2 HEM A1510   NA   88.4                                              
REMARK 620 3 HEM A1510   NB   96.4  90.7                                        
REMARK 620 4 HEM A1510   NC   89.4 177.5  88.4                                  
REMARK 620 5 HEM A1510   ND   88.1  89.2 175.5  91.8                            
REMARK 620 6 HIS A 215   NE2 177.5  92.6  81.4  89.5  94.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A1508  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 LYS A 134   NZ                                                     
REMARK 620 2 HEM A1508   NA   90.4                                              
REMARK 620 3 HEM A1508   NB   91.9  91.3                                        
REMARK 620 4 HEM A1508   NC   85.4 175.6  90.1                                  
REMARK 620 5 HEM A1508   ND   86.4  88.6 178.3  89.9                            
REMARK 620 6 HOA A 704   N   175.3  92.8  91.5  91.3  90.2                      
REMARK 620 7 HOA A 704   O   159.9  73.3  77.1 111.0 104.5  24.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A1509  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 172   NE2                                                    
REMARK 620 2 HEM A1509   NA   89.1                                              
REMARK 620 3 HEM A1509   NB   88.3  90.3                                        
REMARK 620 4 HEM A1509   NC   87.2 176.3  89.6                                  
REMARK 620 5 HEM A1509   ND   92.3  90.3 179.1  89.7                            
REMARK 620 6 HIS A 313   NE2 174.9  90.9  86.6  92.8  92.8                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 513  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 217   OE2                                                    
REMARK 620 2 GLU A 217   OE1  50.4                                              
REMARK 620 3 TYR A 218   O    79.8  86.3                                        
REMARK 620 4 LYS A 274   O   107.6  90.4 167.1                                  
REMARK 620 5 GLN A 276   OE1 131.9  82.9  87.5  79.7                            
REMARK 620 6 HOH A1610   O    85.5 132.3 104.8  86.6 142.5                      
REMARK 620 7 HOH A1740   O   145.2 151.0  77.3 100.3  72.8  75.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A1512  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 288   NE2                                                    
REMARK 620 2 HEM A1512   NA   88.3                                              
REMARK 620 3 HEM A1512   NB   96.0  88.4                                        
REMARK 620 4 HEM A1512   NC   93.1 178.5  91.8                                  
REMARK 620 5 HEM A1512   ND   85.1  91.2 178.9  88.6                            
REMARK 620 6 HIS A 330   NE2 177.4  89.2  84.8  89.4  94.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A1511  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 299   NE2                                                    
REMARK 620 2 HEM A1511   NA   89.0                                              
REMARK 620 3 HEM A1511   NB   89.9  90.6                                        
REMARK 620 4 HEM A1511   NC   90.4 179.3  89.4                                  
REMARK 620 5 HEM A1511   ND   90.9  89.0 179.1  90.9                            
REMARK 620 6 HIS A 405   NE2 176.6  94.3  90.9  86.3  88.3                      
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 CA A 513                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE YT3 A 801                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE YT3 A 802                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE YT3 A 803                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1508                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1509                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1510                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1511                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 1512                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HOA A 704                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1FS7   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C NITRITE REDUCTASE                                       
REMARK 900 RELATED ID: 1FS8   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C NITRITE REDUCTASE SULFATE COMPLEX                       
REMARK 900 RELATED ID: 1FS9   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C NITRITE REDUCTASE AZIDE COMPLEX                         
REMARK 900 RELATED ID: 2E80   RELATED DB: PDB                                   
REMARK 900 CYTOCHROME C NITRITE REDUCTASE WITH BOUND SUBSTRATE NITRITE          
DBREF  2E81 A   23   507  UNP    Q9S1E5   NRFA_WOLSU      23    507             
SEQRES   1 A  485  SER ASN ILE ASN GLU ARG GLU LYS GLU ARG VAL ALA LEU          
SEQRES   2 A  485  ASN LYS THR ALA HIS SER GLN GLY ILE GLU GLY LYS ALA          
SEQRES   3 A  485  MET SER GLU GLU TRP ALA ARG TYR TYR PRO ARG GLN PHE          
SEQRES   4 A  485  ASP SER TRP LYS LYS THR LYS GLU SER ASP ASN ILE THR          
SEQRES   5 A  485  ASP MET LEU LYS GLU LYS PRO ALA LEU VAL VAL ALA TRP          
SEQRES   6 A  485  ALA GLY TYR PRO PHE SER LYS ASP TYR ASN ALA PRO ARG          
SEQRES   7 A  485  GLY HIS TYR TYR ALA LEU GLN ASP ASN ILE ASN THR LEU          
SEQRES   8 A  485  ARG THR GLY ALA PRO VAL ASP GLY LYS THR GLY PRO LEU          
SEQRES   9 A  485  PRO SER ALA CYS TRP THR CYS LYS SER PRO ASP VAL PRO          
SEQRES  10 A  485  ARG ILE ILE GLU GLN ASP GLY GLU LEU GLU TYR PHE THR          
SEQRES  11 A  485  GLY LYS TRP ALA LYS TYR GLY ASP GLU ILE VAL ASN THR          
SEQRES  12 A  485  ILE GLY CYS TYR ASN CYS HIS ASP ASP LYS SER ALA GLU          
SEQRES  13 A  485  LEU LYS SER LYS VAL PRO TYR LEU ASP ARG GLY LEU SER          
SEQRES  14 A  485  ALA ALA GLY PHE LYS THR PHE ALA GLU SER THR HIS GLN          
SEQRES  15 A  485  GLU LYS ARG SER LEU VAL CYS ALA GLN CYS HIS VAL GLU          
SEQRES  16 A  485  TYR TYR PHE LYS LYS THR GLU TRP LYS ASP ASP LYS GLY          
SEQRES  17 A  485  VAL ASP LYS THR ALA MET VAL VAL THR LEU PRO TRP SER          
SEQRES  18 A  485  LYS GLY ILE SER THR GLU GLN MET GLU ALA TYR TYR ASP          
SEQRES  19 A  485  GLU ILE ASN PHE ALA ASP TRP THR HIS GLY ILE SER LYS          
SEQRES  20 A  485  THR PRO MET LEU LYS ALA GLN HIS PRO ASP TRP GLU LEU          
SEQRES  21 A  485  TYR LYS THR GLY ILE HIS GLY GLN LYS GLY VAL SER CYS          
SEQRES  22 A  485  ALA ASP CYS HIS MET PRO TYR THR GLN GLU GLY ALA VAL          
SEQRES  23 A  485  LYS TYR SER ASP HIS LYS VAL GLY ASN PRO LEU ASP ASN          
SEQRES  24 A  485  MET ASP LYS SER CYS MET ASN CYS HIS ARG GLU SER GLU          
SEQRES  25 A  485  GLN LYS LEU LYS ASP ILE VAL LYS GLN LYS PHE GLU ARG          
SEQRES  26 A  485  LYS GLU PHE LEU GLN ASP ILE ALA PHE ASP ASN ILE GLY          
SEQRES  27 A  485  LYS ALA HIS LEU GLU THR GLY LYS ALA MET GLU LEU GLY          
SEQRES  28 A  485  ALA THR ASP ALA GLU LEU LYS GLU ILE ARG THR HIS ILE          
SEQRES  29 A  485  ARG HIS ALA GLN TRP ARG ALA ASP MET ALA ILE ALA GLY          
SEQRES  30 A  485  HIS GLY SER PHE PHE HIS ALA PRO GLU GLU VAL LEU ARG          
SEQRES  31 A  485  LEU LEU ALA SER GLY ASN GLU GLU ALA GLN LYS ALA ARG          
SEQRES  32 A  485  ILE LYS LEU VAL LYS VAL LEU ALA LYS TYR GLY ALA ILE          
SEQRES  33 A  485  ASP TYR VAL ALA PRO ASP PHE GLU THR LYS GLU LYS ALA          
SEQRES  34 A  485  GLN LYS LEU ALA LYS VAL ASP MET GLU ALA PHE ILE ALA          
SEQRES  35 A  485  GLU LYS LEU LYS PHE LYS GLN THR LEU GLU GLN GLU TRP          
SEQRES  36 A  485  LYS LYS GLN ALA ILE ALA LYS GLY ARG LEU ASN PRO GLU          
SEQRES  37 A  485  SER LEU LYS GLY VAL ASP GLU LYS SER SER TYR TYR ASP          
SEQRES  38 A  485  LYS THR LYS LYS                                              
HET     CA  A 513       1                                                       
HET    YT3  A 801       1                                                       
HET    YT3  A 802       1                                                       
HET    YT3  A 803       1                                                       
HET    HEM  A1508      43                                                       
HET    HEM  A1509      43                                                       
HET    HEM  A1510      43                                                       
HET    HEM  A1511      43                                                       
HET    HEM  A1512      43                                                       
HET    HOA  A 704       2                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     YT3 YTTRIUM (III) ION                                                
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     HOA HYDROXYAMINE                                                     
HETSYN     HEM HEME                                                             
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  YT3    3(Y 3+)                                                      
FORMUL   6  HEM    5(C34 H32 FE N4 O4)                                          
FORMUL  11  HOA    H3 N O                                                       
FORMUL  12  HOH   *431(H2 O)                                                    
HELIX    1   1 MET A   49  ALA A   54  5                                   6    
HELIX    2   2 TYR A   57  LYS A   66  1                                  10    
HELIX    3   3 THR A   67  SER A   70  5                                   4    
HELIX    4   4 ASP A   75  LYS A   80  1                                   6    
HELIX    5   5 PRO A   81  TRP A   87  1                                   7    
HELIX    6   6 TYR A   90  LYS A   94  5                                   5    
HELIX    7   7 GLY A  101  TYR A  103  5                                   3    
HELIX    8   8 TYR A  104  THR A  112  1                                   9    
HELIX    9   9 LEU A  113  GLY A  116  5                                   4    
HELIX   10  10 PRO A  127  THR A  132  5                                   6    
HELIX   11  11 PRO A  136  GLY A  146  1                                  11    
HELIX   12  12 GLY A  146  PHE A  151  1                                   6    
HELIX   13  13 LYS A  154  GLY A  159  5                                   6    
HELIX   14  14 GLY A  167  HIS A  172  1                                   6    
HELIX   15  15 PRO A  184  ALA A  193  1                                  10    
HELIX   16  16 THR A  202  GLN A  213  1                                  12    
HELIX   17  17 SER A  247  ILE A  258  1                                  12    
HELIX   18  18 PRO A  278  GLY A  286  1                                   9    
HELIX   19  19 GLY A  286  LYS A  291  1                                   6    
HELIX   20  20 SER A  294  MET A  300  1                                   7    
HELIX   21  21 ASN A  317  ASP A  320  5                                   4    
HELIX   22  22 ASN A  321  CYS A  326  1                                   6    
HELIX   23  23 SER A  333  GLY A  373  1                                  41    
HELIX   24  24 THR A  375  ALA A  398  1                                  24    
HELIX   25  25 GLY A  401  ALA A  406  1                                   6    
HELIX   26  26 ALA A  406  TYR A  435  1                                  30    
HELIX   27  27 THR A  447  ALA A  455  1                                   9    
HELIX   28  28 ASP A  458  THR A  472  1                                  15    
HELIX   29  29 THR A  472  LYS A  484  1                                  13    
HELIX   30  30 ASN A  488  LYS A  493  5                                   6    
SHEET    1   A 2 TYR A 219  LYS A 226  0                                        
SHEET    2   A 2 ASP A 232  THR A 239 -1  O  ALA A 235   N  THR A 223           
SHEET    1   B 2 TRP A 263  THR A 264  0                                        
SHEET    2   B 2 PRO A 271  MET A 272 -1  O  MET A 272   N  TRP A 263           
SHEET    1   C 2 TYR A 302  GLU A 305  0                                        
SHEET    2   C 2 VAL A 308  SER A 311 -1  O  VAL A 308   N  GLU A 305           
LINK         SG  CYS A 130                 CAB HEM A1508     1555   1555  1.84  
LINK         SG  CYS A 133                 CAC HEM A1508     1555   1555  1.83  
LINK         SG  CYS A 168                 CAB HEM A1509     1555   1555  1.81  
LINK         SG  CYS A 171                 CAC HEM A1509     1555   1555  1.80  
LINK         SG  CYS A 211                 CAB HEM A1510     1555   1555  1.83  
LINK         SG  CYS A 214                 CAC HEM A1510     1555   1555  1.82  
LINK         SG  CYS A 295                 CAB HEM A1511     1555   1555  1.82  
LINK         SG  CYS A 298                 CAC HEM A1511     1555   1555  1.84  
LINK         SG  CYS A 326                 CAB HEM A1512     1555   1555  1.77  
LINK         SG  CYS A 329                 CAC HEM A1512     1555   1555  1.81  
LINK         NE2 HIS A 102                FE   HEM A1510     1555   1555  2.01  
LINK         NZ  LYS A 134                FE   HEM A1508     1555   1555  2.13  
LINK         NE2 HIS A 172                FE   HEM A1509     1555   1555  1.96  
LINK         NE2 HIS A 215                FE   HEM A1510     1555   1555  2.03  
LINK         OE2 GLU A 217                CA    CA A 513     1555   1555  2.47  
LINK         OE1 GLU A 217                CA    CA A 513     1555   1555  2.66  
LINK         O   TYR A 218                CA    CA A 513     1555   1555  2.51  
LINK         O   LYS A 274                CA    CA A 513     1555   1555  2.35  
LINK         OE1 GLN A 276                CA    CA A 513     1555   1555  2.39  
LINK         NE2 HIS A 288                FE   HEM A1512     1555   1555  2.03  
LINK         NE2 HIS A 299                FE   HEM A1511     1555   1555  2.03  
LINK         NE2 HIS A 313                FE   HEM A1509     1555   1555  1.99  
LINK         NE2 HIS A 330                FE   HEM A1512     1555   1555  2.00  
LINK         NE2 HIS A 405                FE   HEM A1511     1555   1555  2.06  
LINK        CA    CA A 513                 O   HOH A1610     1555   1555  2.40  
LINK        CA    CA A 513                 O   HOH A1740     1555   1555  2.45  
LINK         N   HOA A 704                FE   HEM A1508     1555   1555  1.71  
LINK         O   HOA A 704                FE   HEM A1508     1555   1555  2.76  
SITE     1 AC1  6 GLU A 217  TYR A 218  LYS A 274  GLN A 276                    
SITE     2 AC1  6 HOH A1610  HOH A1740                                          
SITE     1 AC2  7 GLU A  52  ASP A 444  HOH A1683  HOH A1833                    
SITE     2 AC2  7 HOH A1834  HOH A1835  HOH A1839                               
SITE     1 AC3  7 PRO A  99  HEM A1510  HEM A1511  HOH A1693                    
SITE     2 AC3  7 HOH A1752  HOH A1842  HOH A1843                               
SITE     1 AC4  3 GLU A 408  HEM A1512  HOH A1899                               
SITE     1 AC5 25 TYR A  96  ASN A  97  ASP A 108  ASN A 109                    
SITE     2 AC5 25 THR A 112  ARG A 114  THR A 115  LEU A 126                    
SITE     3 AC5 25 CYS A 130  CYS A 133  LYS A 134  CYS A 214                    
SITE     4 AC5 25 HIS A 215  TYR A 218  HIS A 277  ALA A 398                    
SITE     5 AC5 25 HIS A 400  HOA A 704  HEM A1510  HOH A1552                    
SITE     6 AC5 25 HOH A1555  HOH A1576  HOH A1578  HOH A1582                    
SITE     7 AC5 25 HOH A1628                                                     
SITE     1 AC6 17 TYR A  57  GLN A  60  TRP A  64  GLY A 167                    
SITE     2 AC6 17 CYS A 168  CYS A 171  HIS A 172  LEU A 179                    
SITE     3 AC6 17 HIS A 203  ARG A 207  MET A 300  TYR A 302                    
SITE     4 AC6 17 TYR A 310  SER A 311  HIS A 313  HEM A1510                    
SITE     5 AC6 17 HOH A1877                                                     
SITE     1 AC7 24 SER A  70  PRO A  99  ARG A 100  GLY A 101                    
SITE     2 AC7 24 HIS A 102  TYR A 104  ALA A 105  ASP A 108                    
SITE     3 AC7 24 CYS A 133  LYS A 134  ILE A 166  VAL A 210                    
SITE     4 AC7 24 CYS A 211  CYS A 214  HIS A 215  VAL A 315                    
SITE     5 AC7 24 GLY A 316  YT3 A 802  HEM A1508  HEM A1509                    
SITE     6 AC7 24 HEM A1511  HOH A1550  HOH A1551  HOH A1752                    
SITE     1 AC8 20 PRO A  99  TRP A 280  TYR A 283  HIS A 288                    
SITE     2 AC8 20 SER A 294  CYS A 295  CYS A 298  HIS A 299                    
SITE     3 AC8 20 ASN A 317  LEU A 319  HIS A 400  GLY A 401                    
SITE     4 AC8 20 PHE A 403  PHE A 404  HIS A 405  YT3 A 802                    
SITE     5 AC8 20 HEM A1510  HEM A1512  HOH A1753  HOH A1843                    
SITE     1 AC9 15 ILE A 287  HIS A 288  VAL A 293  PRO A 318                    
SITE     2 AC9 15 SER A 325  CYS A 326  CYS A 329  HIS A 330                    
SITE     3 AC9 15 LEU A 337  LYS A 344  PRO A 407  YT3 A 803                    
SITE     4 AC9 15 HEM A1511  HOH A1754  HOH A1899                               
SITE     1 BC1  6 ARG A 114  HIS A 277  HEM A1508  HOH A1513                    
SITE     2 BC1  6 HOH A1514  HOH A1515                                          
CRYST1  119.891  119.891  186.224  90.00  90.00  90.00 I 41 2 2     16          
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      0.008341  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008341  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005370        0.00000