HEADER    ELECTRON TRANSPORT(CYTOCHROME)          02-JAN-94   1CTM              
TITLE     CRYSTAL STRUCTURE OF CHLOROPLAST CYTOCHROME F REVEALS A NOVEL         
TITLE    2 CYTOCHROME FOLD AND UNEXPECTED HEME LIGATION                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME F;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BRASSICA RAPA;                                  
SOURCE   3 ORGANISM_TAXID: 3711                                                 
KEYWDS    ELECTRON TRANSPORT(CYTOCHROME)                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.E.MARTINEZ,D.HUANG,A.SZCZEPANIAK,W.A.CRAMER,J.L.SMITH               
REVDAT   4   16-OCT-24 1CTM    1       REMARK                                   
REVDAT   3   10-MAR-21 1CTM    1       COMPND REMARK HET    HETNAM              
REVDAT   3 2                   1       HETSYN FORMUL LINK   ATOM                
REVDAT   2   24-FEB-09 1CTM    1       VERSN                                    
REVDAT   1   31-MAY-94 1CTM    0                                                
JRNL        AUTH   S.E.MARTINEZ,D.HUANG,A.SZCZEPANIAK,W.A.CRAMER,J.L.SMITH      
JRNL        TITL   CRYSTAL STRUCTURE OF CHLOROPLAST CYTOCHROME F REVEALS A      
JRNL        TITL 2 NOVEL CYTOCHROME FOLD AND UNEXPECTED HEME LIGATION.          
JRNL        REF    STRUCTURE                     V.   2    95 1994              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   8081747                                                      
JRNL        DOI    10.1016/S0969-2126(00)00012-5                                
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.E.MARTINEZ,J.L.SMITH,D.HUANG,A.SZCZEPANIAK,W.A.CRAMER      
REMARK   1  TITL   CRYSTALLOGRAPHIC STUDIES OF THE LUMEN-SIDE DOMAIN OF TURNIP  
REMARK   1  TITL 2 CYTOCHROME                                                   
REMARK   1  EDIT   N.MURATA                                                     
REMARK   1  REF    RESEARCH IN PHOTOSYNTHESIS:   V.   2   495 1992              
REMARK   1  REF  2 PROCEEDINGS OF THE IXTH                                      
REMARK   1  REF  3 INTERNATIONAL CONGRESS ON                                    
REMARK   1  REF  4 PHOTOSYNTHESIS                                               
REMARK   1  PUBL   KLUWER ACADEMIC, DORDRECHT                                   
REMARK   1  REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
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             : 10903                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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            : 1925                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 113                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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) : 0.014                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.990                           
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 1CTM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000172523.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 55.21                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
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       39.60000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       23.15000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       40.95000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       23.15000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       39.60000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       40.95000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
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: 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    MET A  55   CA  -  CB  -  CG  ANGL. DEV. = -13.8 DEGREES          
REMARK 500    ARG A 154   NE  -  CZ  -  NH1 ANGL. DEV. =   3.8 DEGREES          
REMARK 500    ARG A 156   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A 156   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.4 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    ASN A   8       30.71   -144.63                                   
REMARK 500    ASN A  99       46.59   -151.69                                   
REMARK 500    ASN A 138      108.80   -163.16                                   
REMARK 500    ASN A 168       50.07   -117.65                                   
REMARK 500    LEU A 249     -130.56   -108.64                                   
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                             HEC A 253  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 TYR A   1   N                                                      
REMARK 620 2 HEC A 253   NA   90.0                                              
REMARK 620 3 HEC A 253   NB   96.1  91.1                                        
REMARK 620 4 HEC A 253   NC   88.4 178.3  88.4                                  
REMARK 620 5 HEC A 253   ND   86.3  89.8 177.5  90.9                            
REMARK 620 6 HIS A  25   NE2 174.4  92.5  88.9  89.1  88.7                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 ALL HELICES ARE IN THE LARGE DOMAIN ONLY AND ARE DENOTED BY          
REMARK 650 A LETTER ONLY.                                                       
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 STRAND 3 OF SHEET SDA AND STRAND 3 OF SHEET SDB ARE PARTS            
REMARK 700 OF A PIECE OF EXTENDED CHAIN WHICH IS SPLIT BETWEEN BETWEEN          
REMARK 700 THE TWO SHEETS.  RESIDUES 176 - 179 BELONG TO SHEET SDA AND          
REMARK 700 RESIDUES 181 - 185 BELONG TO SHEET SDB WITH A KINK IN                
REMARK 700 BETWEEN.                                                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 253                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEQUENCE PRESENTED IN THIS ENTRY HAS NOT BEEN DEPOSITED          
REMARK 999 IN THE SEQUENCE DATABASES.  IT IS DESCRIBED IN THE *JRNL*            
REMARK 999 ARTICLE.                                                             
DBREF  1CTM A    1   250  UNP    P36438   CYF_BRARA       36    285             
SEQRES   1 A  250  TYR PRO ILE PHE ALA GLN GLN ASN TYR GLU ASN PRO ARG          
SEQRES   2 A  250  GLU ALA THR GLY ARG ILE VAL CYS ALA ASN CYS HIS LEU          
SEQRES   3 A  250  ALA SER LYS PRO VAL ASP ILE GLU VAL PRO GLN ALA VAL          
SEQRES   4 A  250  LEU PRO ASP THR VAL PHE GLU ALA VAL VAL LYS ILE PRO          
SEQRES   5 A  250  TYR ASP MET GLN LEU LYS GLN VAL LEU ALA ASN GLY LYS          
SEQRES   6 A  250  LYS GLY ALA LEU ASN VAL GLY ALA VAL LEU ILE LEU PRO          
SEQRES   7 A  250  GLU GLY PHE GLU LEU ALA PRO PRO ASP ARG ILE SER PRO          
SEQRES   8 A  250  GLU MET LYS GLU LYS ILE GLY ASN LEU SER PHE GLN ASN          
SEQRES   9 A  250  TYR ARG PRO ASN LYS LYS ASN ILE LEU VAL ILE GLY PRO          
SEQRES  10 A  250  VAL PRO GLY GLN LYS TYR SER GLU ILE THR PHE PRO ILE          
SEQRES  11 A  250  LEU ALA PRO ASP PRO ALA THR ASN LYS ASP VAL HIS PHE          
SEQRES  12 A  250  LEU LYS TYR PRO ILE TYR VAL GLY GLY ASN ARG GLY ARG          
SEQRES  13 A  250  GLY GLN ILE TYR PRO ASP GLY SER LYS SER ASN ASN THR          
SEQRES  14 A  250  VAL TYR ASN ALA THR ALA GLY GLY ILE ILE SER LYS ILE          
SEQRES  15 A  250  LEU ARG LYS GLU LYS GLY GLY TYR GLU ILE THR ILE VAL          
SEQRES  16 A  250  ASP ALA SER ASN GLU ARG GLN VAL ILE ASP ILE ILE PRO          
SEQRES  17 A  250  ARG GLY LEU GLU LEU LEU VAL SER GLU GLY GLU SER ILE          
SEQRES  18 A  250  LYS LEU ASP GLN PRO LEU THR SER ASN PRO ASN VAL GLY          
SEQRES  19 A  250  GLY PHE GLY GLN GLY ASP ALA GLU ILE VAL LEU GLN ASP          
SEQRES  20 A  250  PRO LEU ARG                                                  
HET    HEC  A 253      43                                                       
HETNAM     HEC HEME C                                                           
FORMUL   2  HEC    C34 H34 FE N4 O4                                             
FORMUL   3  HOH   *113(H2 O)                                                    
HELIX    1   A TYR A    1  TYR A    9  1MIXED 4/16 AND 3/10 H BONDING      9    
HELIX    2   B ILE A   19  HIS A   25  1MIXED 4/16 AND 3/10 H BONDING      7    
HELIX    3   C SER A   90  ILE A   97  1                                   8    
SHEET    1 LDA 4 PRO A  30  PRO A  36  0                                        
SHEET    2 LDA 4 THR A  43  ILE A  51 -1  O  VAL A  48   N  GLU A  34           
SHEET    3 LDA 4 SER A 124  ALA A 132 -1  O  PHE A 128   N  ALA A  47           
SHEET    4 LDA 4 GLU A  82  ALA A  84 -1  O  GLU A  82   N  LEU A 131           
SHEET    1 LDB 6 GLN A  37  VAL A  39  0                                        
SHEET    2 LDB 6 GLY A 234  GLN A 246  1  O  VAL A 244   N  VAL A  39           
SHEET    3 LDB 6 LEU A 144  GLY A 155 -1  O  VAL A 150   N  GLY A 239           
SHEET    4 LDB 6 ASN A  70  LEU A  77 -1  O  VAL A  74   N  GLY A 151           
SHEET    5 LDB 6 ASN A 111  VAL A 118 -1  O  ILE A 115   N  ALA A  73           
SHEET    6 LDB 6 GLN A 103  TYR A 105 -1  O  GLN A 103   N  VAL A 114           
SHEET    1 LDC 2 GLN A  59  LEU A  61  0                                        
SHEET    2 LDC 2 LYS A  65  GLY A  67 -1  N  GLY A  67   O  GLN A  59           
SHEET    1 LDD 2 GLN A 158  TYR A 160  0                                        
SHEET    2 LDD 2 SER A 164  SER A 166 -1  O  SER A 164   N  TYR A 160           
SHEET    1 SDA 4 ARG A 201  PRO A 208  0                                        
SHEET    2 SDA 4 GLY A 189  ASP A 196 -1  O  ILE A 192   N  ASP A 205           
SHEET    3 SDA 4 GLY A 176  ILE A 179 -1  O  ILE A 178   N  VAL A 195           
SHEET    4 SDA 4 GLU A 219  LYS A 222 -1  N  ILE A 221   O  GLY A 177           
SHEET    1 SDB 4 ARG A 201  PRO A 208  0                                        
SHEET    2 SDB 4 GLY A 189  ASP A 196 -1  O  ILE A 192   N  ASP A 205           
SHEET    3 SDB 4 LYS A 181  LYS A 185 -1  N  LEU A 183   O  GLU A 191           
SHEET    4 SDB 4 GLU A 219  LYS A 222 -1                                        
LINK         SG  CYS A  21                 CAB HEC A 253     1555   1555  1.80  
LINK         SG  CYS A  24                 CAC HEC A 253     1555   1555  1.79  
LINK         N   TYR A   1                FE   HEC A 253     1555   1555  1.98  
LINK         NE2 HIS A  25                FE   HEC A 253     1555   1555  1.97  
CISPEP   1 GLY A  116    PRO A  117          0        -1.12                     
SITE     1 AC1 17 TYR A   1  PHE A   4  CYS A  21  CYS A  24                    
SITE     2 AC1 17 HIS A  25  GLN A  59  ASN A  70  VAL A  71                    
SITE     3 AC1 17 GLY A  72  ASN A 153  GLY A 155  ARG A 156                    
SITE     4 AC1 17 GLY A 157  ILE A 159  TYR A 160  PRO A 161                    
SITE     5 AC1 17 HOH A 297                                                     
CRYST1   79.200   81.900   46.300  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      0.012626  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012210  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021598        0.00000