HEADER    ELECTRON TRANSPORT                      08-MAR-01   1I77              
TITLE     CYTOCHROME C3 FROM DESULFOVIBRIO DESULFURICANS ESSEX 6                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME C3;                                             
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO DESULFURICANS;                    
SOURCE   3 ORGANISM_TAXID: 876;                                                 
SOURCE   4 STRAIN: ESSEX 6                                                      
KEYWDS    MULTI-HEME CYTOCHROME C, ELECTRON TRANSPORT                           
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.EINSLE,S.FOERSTER,K.H.MANN,G.FRITZ,A.MESSERSCHMIDT,P.M.H.KRONECK    
REVDAT   5   13-NOV-24 1I77    1       REMARK                                   
REVDAT   4   09-AUG-23 1I77    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1I77    1       VERSN                                    
REVDAT   2   01-APR-03 1I77    1       JRNL                                     
REVDAT   1   29-AUG-01 1I77    0                                                
JRNL        AUTH   O.EINSLE,S.FOERSTER,K.MANN,G.FRITZ,A.MESSERSCHMIDT,          
JRNL        AUTH 2 P.M.KRONECK                                                  
JRNL        TITL   SPECTROSCOPIC INVESTIGATION AND DETERMINATION OF REACTIVITY  
JRNL        TITL 2 AND STRUCTURE OF THE TETRAHEME CYTOCHROME C3 FROM            
JRNL        TITL 3 DESULFOVIBRIO DESULFURICANS ESSEX 6.                         
JRNL        REF    EUR.J.BIOCHEM.                V. 268  3028 2001              
JRNL        REFN                   ISSN 0014-2956                               
JRNL        PMID   11358521                                                     
JRNL        DOI    10.1046/J.1432-1327.2001.02195.X                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.95 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 18.00                          
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)   (%) : 95.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 9265                           
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) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 781                             
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            : 810                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 172                                     
REMARK   3   SOLVENT ATOMS            : 117                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.98                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 29.92                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -3.67700                                             
REMARK   3    B22 (A**2) : 1.34800                                              
REMARK   3    B33 (A**2) : 2.32900                                              
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) : 0.011                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.471                           
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 1I77 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAR-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000012990.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-JUL-97                          
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 4.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
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   : 9654                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.950                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 18.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.3                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.11700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.01                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 2CYR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.08                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG MME 2000, SODIUM ACETATE, AMMONIUM   
REMARK 280  SULFATE, PH 4.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       18.18500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       35.49500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       24.69500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       35.49500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       18.18500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       24.69500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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: 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  51     -122.29   -101.16                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 108  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  22   NE2                                                    
REMARK 620 2 HEM A 108   NA   88.4                                              
REMARK 620 3 HEM A 108   NB   88.4  92.0                                        
REMARK 620 4 HEM A 108   NC   92.3 178.8  86.9                                  
REMARK 620 5 HEM A 108   ND   92.8  89.8 177.8  91.2                            
REMARK 620 6 HIS A  34   NE2 176.4  88.3  90.3  90.9  88.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 110  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  25   NE2                                                    
REMARK 620 2 HEM A 110   NA   91.3                                              
REMARK 620 3 HEM A 110   NB   92.0  89.8                                        
REMARK 620 4 HEM A 110   NC   89.4 177.8  88.0                                  
REMARK 620 5 HEM A 110   ND   87.4  92.5 177.6  89.7                            
REMARK 620 6 HIS A  83   NE2 177.7  89.4  90.2  90.1  90.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 109  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  35   NE2                                                    
REMARK 620 2 HEM A 109   NA   86.8                                              
REMARK 620 3 HEM A 109   NB   89.7  90.0                                        
REMARK 620 4 HEM A 109   NC   94.1 179.1  89.9                                  
REMARK 620 5 HEM A 109   ND   91.6  90.7 178.6  89.4                            
REMARK 620 6 HIS A  52   NE2 178.1  91.5  91.2  87.6  87.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 111  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  69   NE2                                                    
REMARK 620 2 HEM A 111   NA   88.5                                              
REMARK 620 3 HEM A 111   NB   89.5  91.2                                        
REMARK 620 4 HEM A 111   NC   93.3 177.7  90.1                                  
REMARK 620 5 HEM A 111   ND   87.5  88.6 177.0  90.2                            
REMARK 620 6 HIS A 106   NE2 179.3  91.2  91.1  86.9  91.9                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 108                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 109                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 110                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 111                 
DBREF  1I77 A    1   107  UNP    Q9L915   Q9L915_DESDE    22    128             
SEQRES   1 A  107  ALA PRO ALA ALA PRO ASP LYS PRO LEU GLU PHE LYS GLY          
SEQRES   2 A  107  SER GLN LYS THR VAL MET PHE PRO HIS ALA VAL HIS ALA          
SEQRES   3 A  107  LYS VAL GLU CYS VAL THR CYS HIS HIS GLN VAL ASP GLY          
SEQRES   4 A  107  LYS GLU SER PHE ALA LYS CYS GLY SER SER GLY CYS HIS          
SEQRES   5 A  107  ASP ASP LEU ALA GLY LYS GLN GLY GLU LYS SER LEU TYR          
SEQRES   6 A  107  TYR VAL VAL HIS THR LYS LYS GLU LEU LYS HIS THR ASN          
SEQRES   7 A  107  CYS ILE GLY CYS HIS SER LYS VAL VAL GLU GLY LYS PRO          
SEQRES   8 A  107  GLU LEU LYS LYS ASP LEU THR ALA CYS ALA LYS SER LYS          
SEQRES   9 A  107  CYS HIS PRO                                                  
HET    HEM  A 108      43                                                       
HET    HEM  A 109      43                                                       
HET    HEM  A 110      43                                                       
HET    HEM  A 111      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  HOH   *117(H2 O)                                                    
HELIX    1   1 HIS A   22  ALA A   26  5                                   5    
HELIX    2   2 GLU A   29  HIS A   34  1                                   6    
HELIX    3   3 SER A   63  THR A   70  1                                   8    
HELIX    4   4 ASN A   78  LYS A   90  1                                  13    
HELIX    5   5 LEU A   93  ALA A   99  1                                   7    
SHEET    1   A 2 LEU A   9  LYS A  12  0                                        
SHEET    2   A 2 THR A  17  PHE A  20 -1  O  VAL A  18   N  PHE A  11           
LINK         SG  CYS A  30                 CAB HEM A 108     1555   1555  1.82  
LINK         SG  CYS A  33                 CAC HEM A 108     1555   1555  1.86  
LINK         SG  CYS A  46                 CAB HEM A 109     1555   1555  1.83  
LINK         SG  CYS A  51                 CAC HEM A 109     1555   1555  1.85  
LINK         SG  CYS A  79                 CAB HEM A 110     1555   1555  1.83  
LINK         SG  CYS A  82                 CAC HEM A 110     1555   1555  1.83  
LINK         SG  CYS A 100                 CAB HEM A 111     1555   1555  1.86  
LINK         SG  CYS A 105                 CAC HEM A 111     1555   1555  1.86  
LINK         NE2 HIS A  22                FE   HEM A 108     1555   1555  2.04  
LINK         NE2 HIS A  25                FE   HEM A 110     1555   1555  1.98  
LINK         NE2 HIS A  34                FE   HEM A 108     1555   1555  1.90  
LINK         NE2 HIS A  35                FE   HEM A 109     1555   1555  1.94  
LINK         NE2 HIS A  52                FE   HEM A 109     1555   1555  1.97  
LINK         NE2 HIS A  69                FE   HEM A 111     1555   1555  1.97  
LINK         NE2 HIS A  83                FE   HEM A 110     1555   1555  2.04  
LINK         NE2 HIS A 106                FE   HEM A 111     1555   1555  2.04  
SITE     1 AC1 17 PRO A   2  PRO A   5  LEU A   9  PHE A  11                    
SITE     2 AC1 17 PHE A  20  HIS A  22  VAL A  28  CYS A  30                    
SITE     3 AC1 17 CYS A  33  HIS A  34  PHE A  43  LYS A  45                    
SITE     4 AC1 17 CYS A  46  GLN A  59  HEM A 110  HOH A 126                    
SITE     5 AC1 17 HOH A 136                                                     
SITE     1 AC2 12 HIS A  35  ALA A  44  LYS A  45  CYS A  46                    
SITE     2 AC2 12 CYS A  51  HIS A  52  GLU A  61  LEU A  74                    
SITE     3 AC2 12 LYS A  75  HIS A  76  HOH A 165  HOH A 193                    
SITE     1 AC3 12 VAL A  24  HIS A  25  GLU A  73  ASN A  78                    
SITE     2 AC3 12 CYS A  79  CYS A  82  HIS A  83  LEU A  97                    
SITE     3 AC3 12 HEM A 108  HOH A 196  HOH A 213  HOH A 214                    
SITE     1 AC4 21 PHE A  11  GLY A  13  SER A  14  GLN A  15                    
SITE     2 AC4 21 LYS A  16  VAL A  18  SER A  49  GLY A  50                    
SITE     3 AC4 21 LEU A  55  TYR A  65  VAL A  68  HIS A  69                    
SITE     4 AC4 21 ILE A  80  HIS A  83  LEU A  97  ALA A  99                    
SITE     5 AC4 21 CYS A 100  CYS A 105  HIS A 106  HOH A 114                    
SITE     6 AC4 21 HOH A 179                                                     
CRYST1   36.370   49.390   70.990  90.00  90.00  90.00 P 21 21 21    4          
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      0.027495  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.020247  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014086        0.00000