HEADER    ELECTRON TRANSPORT                      01-AUG-96   1FAH              
TITLE     STRUCTURE OF CYTOCHROME P450                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME P450 BM-3;                                      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: HEME DOMAIN;                                               
COMPND   5 SYNONYM: P450 102, FATTY ACID HYDROXYLASE;                           
COMPND   6 EC: 1.14.14.1;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS MEGATERIUM;                            
SOURCE   3 ORGANISM_TAXID: 1404;                                                
SOURCE   4 STRAIN: 14581;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    MONOOXYGENASE, ELECTRON TRANSPORT, HEME                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.Y.LI,T.L.POULOS                                                     
REVDAT   7   03-APR-24 1FAH    1       REMARK                                   
REVDAT   6   07-FEB-24 1FAH    1       REMARK                                   
REVDAT   5   03-NOV-21 1FAH    1       REMARK SEQADV LINK                       
REVDAT   4   02-MAY-18 1FAH    1       REMARK                                   
REVDAT   3   07-MAR-18 1FAH    1       REMARK                                   
REVDAT   2   24-FEB-09 1FAH    1       VERSN                                    
REVDAT   1   12-FEB-97 1FAH    0                                                
JRNL        AUTH   H.YEOM,S.G.SLIGAR,H.LI,T.L.POULOS,A.J.FULCO                  
JRNL        TITL   THE ROLE OF THR268 IN OXYGEN ACTIVATION OF CYTOCHROME        
JRNL        TITL 2 P450BM-3.                                                    
JRNL        REF    BIOCHEMISTRY                  V.  34 14733 1995              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   7578081                                                      
JRNL        DOI    10.1021/BI00045A014                                          
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   H.Y.LI,T.L.POULOS                                            
REMARK   1  TITL   MODELING PROTEIN-SUBSTRATE INTERACTIONS IN THE HEME DOMAIN   
REMARK   1  TITL 2 OF CYTOCHROME P450BM-3                                       
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  51    21 1995              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   K.G.RAVICHANDRAN,S.S.BODDUPALLI,C.A.HASEMANN,J.A.PETERSON,   
REMARK   1  AUTH 2 J.DEISENHOFER                                                
REMARK   1  TITL   CRYSTAL STRUCTURE OF HEMOPROTEIN DOMAIN OF P450BM-3, A       
REMARK   1  TITL 2 PROTOTYPE FOR MICROSOMAL P450'S                              
REMARK   1  REF    SCIENCE                       V. 261   731 1993              
REMARK   1  REFN                   ISSN 0036-8075                               
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) : 10.00                          
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)   (%) : 75.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 37057                          
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) : 0.172                           
REMARK   3   FREE R VALUE                     : NULL                            
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            : 7336                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 86                                      
REMARK   3   SOLVENT ATOMS            : 397                                     
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) : 0.25                            
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) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.410                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.295                           
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  : PARAM19X.HEME                                  
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPH19X.HEME                                   
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  SIMILAR TO THE CRYSTAL STRUCTURE OF THE WILD TYPE                   
REMARK   3  P450BM-3 HEME DOMAIN, THE LOOP REGION BETWEEN THE F AND G           
REMARK   3  HELICES IS POORLY DEFINED IN THE ELECTRON DENSITY AND               
REMARK   3  THEREFORE MODELED WITH HIGH B FACTORS.                              
REMARK   4                                                                      
REMARK   4 1FAH 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_1000173204.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-SEP-94                          
REMARK 200  TEMPERATURE           (KELVIN) : 296                                
REMARK 200  PH                             : 6.8                                
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          : SIEMENS                            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : YES                                
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                      
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS-NICOLET X100               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XENGEN                             
REMARK 200  DATA SCALING SOFTWARE          : XENGEN                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 44522                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 88.2                               
REMARK 200  DATA REDUNDANCY                : 3.000                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : 0.08000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 10.3900                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.40                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 62.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30000                            
REMARK 200  R SYM FOR SHELL            (I) : 0.30000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER           
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: WILD TYPE P450BM-3 HEME DOMAIN                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 53.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SEE REFERENCE 1, PH 6.8                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       77.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A   456                                                      
REMARK 465     GLY A   457                                                      
REMARK 465     ILE A   458                                                      
REMARK 465     PRO A   459                                                      
REMARK 465     SER A   460                                                      
REMARK 465     PRO A   461                                                      
REMARK 465     SER A   462                                                      
REMARK 465     THR A   463                                                      
REMARK 465     GLU A   464                                                      
REMARK 465     GLN A   465                                                      
REMARK 465     SER A   466                                                      
REMARK 465     ALA A   467                                                      
REMARK 465     LYS A   468                                                      
REMARK 465     LYS A   469                                                      
REMARK 465     VAL A   470                                                      
REMARK 465     ARG A   471                                                      
REMARK 465     GLY B   456                                                      
REMARK 465     GLY B   457                                                      
REMARK 465     ILE B   458                                                      
REMARK 465     PRO B   459                                                      
REMARK 465     SER B   460                                                      
REMARK 465     PRO B   461                                                      
REMARK 465     SER B   462                                                      
REMARK 465     THR B   463                                                      
REMARK 465     GLU B   464                                                      
REMARK 465     GLN B   465                                                      
REMARK 465     SER B   466                                                      
REMARK 465     ALA B   467                                                      
REMARK 465     LYS B   468                                                      
REMARK 465     LYS B   469                                                      
REMARK 465     VAL B   470                                                      
REMARK 465     ARG B   471                                                      
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    LEU A 148   CA  -  CB  -  CG  ANGL. DEV. =  14.7 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    LYS A  15     -143.80     53.45                                   
REMARK 500    GLU A  38       -2.06    -58.18                                   
REMARK 500    ASP A  84       42.94    -93.25                                   
REMARK 500    ASP A 136      -13.61    148.63                                   
REMARK 500    ASN A 192      154.96    175.28                                   
REMARK 500    PRO A 193       68.89    -67.13                                   
REMARK 500    ASP A 194       25.78    156.31                                   
REMARK 500    ASP A 195       86.61   -176.56                                   
REMARK 500    ALA A 197      116.57    -29.06                                   
REMARK 500    GLU A 244      -71.09    -64.79                                   
REMARK 500    GLU A 344      -49.28   -130.58                                   
REMARK 500    ASP A 370       40.12    -88.51                                   
REMARK 500    THR A 436     -127.04   -137.37                                   
REMARK 500    LYS B  15     -135.68     60.31                                   
REMARK 500    ASP B  84       35.83    -87.18                                   
REMARK 500    ALA B 135      -39.23    -36.68                                   
REMARK 500    PRO B 172      -38.44    -37.83                                   
REMARK 500    ASN B 192      133.22    177.94                                   
REMARK 500    PRO B 193       89.99    -54.99                                   
REMARK 500    ASP B 194       18.65    133.49                                   
REMARK 500    ASP B 195       88.48    172.31                                   
REMARK 500    ALA B 197      129.91     59.87                                   
REMARK 500    TYR B 198     -164.56   -122.17                                   
REMARK 500    GLU B 244      -74.48    -59.03                                   
REMARK 500    GLU B 344      -34.04   -132.36                                   
REMARK 500    ASP B 370       43.22    -89.46                                   
REMARK 500    THR B 436     -132.21   -140.60                                   
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 472  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 400   SG                                                     
REMARK 620 2 HEM A 472   NA   98.1                                              
REMARK 620 3 HEM A 472   NB   91.1  90.8                                        
REMARK 620 4 HEM A 472   NC   84.5 177.4  89.7                                  
REMARK 620 5 HEM A 472   ND   91.8  89.4 177.1  90.0                            
REMARK 620 6 HOH A 473   O   177.3  84.6  88.7  92.9  88.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 472  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 400   SG                                                     
REMARK 620 2 HEM B 472   NA   96.4                                              
REMARK 620 3 HEM B 472   NB   89.4  89.1                                        
REMARK 620 4 HEM B 472   NC   84.8 178.8  90.8                                  
REMARK 620 5 HEM B 472   ND   97.5  89.3 173.1  90.6                            
REMARK 620 6 HOH B 473   O   175.0  87.5  87.6  91.3  85.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 472                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 472                 
DBREF  1FAH A    1   471  UNP    P14779   CPXB_BACME       1    471             
DBREF  1FAH B    1   471  UNP    P14779   CPXB_BACME       1    471             
SEQADV 1FAH ALA A  268  UNP  P14779    THR   268 ENGINEERED MUTATION            
SEQADV 1FAH ALA B  268  UNP  P14779    THR   268 ENGINEERED MUTATION            
SEQRES   1 A  471  THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU          
SEQRES   2 A  471  LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL          
SEQRES   3 A  471  GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE          
SEQRES   4 A  471  PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU          
SEQRES   5 A  471  SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER          
SEQRES   6 A  471  ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL          
SEQRES   7 A  471  ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR          
SEQRES   8 A  471  HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU          
SEQRES   9 A  471  PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA          
SEQRES  10 A  471  MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP          
SEQRES  11 A  471  GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU          
SEQRES  12 A  471  ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS          
SEQRES  13 A  471  GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN          
SEQRES  14 A  471  PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP          
SEQRES  15 A  471  GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP          
SEQRES  16 A  471  PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP          
SEQRES  17 A  471  ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA          
SEQRES  18 A  471  ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU          
SEQRES  19 A  471  THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU          
SEQRES  20 A  471  PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR          
SEQRES  21 A  471  PHE LEU ILE ALA GLY HIS GLU ALA THR SER GLY LEU LEU          
SEQRES  22 A  471  SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL          
SEQRES  23 A  471  LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL          
SEQRES  24 A  471  ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS          
SEQRES  25 A  471  TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP          
SEQRES  26 A  471  PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP          
SEQRES  27 A  471  THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP          
SEQRES  28 A  471  GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS          
SEQRES  29 A  471  THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU          
SEQRES  30 A  471  ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE          
SEQRES  31 A  471  LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN          
SEQRES  32 A  471  GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET          
SEQRES  33 A  471  MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR          
SEQRES  34 A  471  GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU          
SEQRES  35 A  471  GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU          
SEQRES  36 A  471  GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS          
SEQRES  37 A  471  LYS VAL ARG                                                  
SEQRES   1 B  471  THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU          
SEQRES   2 B  471  LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL          
SEQRES   3 B  471  GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE          
SEQRES   4 B  471  PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU          
SEQRES   5 B  471  SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER          
SEQRES   6 B  471  ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL          
SEQRES   7 B  471  ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR          
SEQRES   8 B  471  HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU          
SEQRES   9 B  471  PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA          
SEQRES  10 B  471  MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP          
SEQRES  11 B  471  GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU          
SEQRES  12 B  471  ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS          
SEQRES  13 B  471  GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN          
SEQRES  14 B  471  PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP          
SEQRES  15 B  471  GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP          
SEQRES  16 B  471  PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP          
SEQRES  17 B  471  ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA          
SEQRES  18 B  471  ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU          
SEQRES  19 B  471  THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU          
SEQRES  20 B  471  PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR          
SEQRES  21 B  471  PHE LEU ILE ALA GLY HIS GLU ALA THR SER GLY LEU LEU          
SEQRES  22 B  471  SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL          
SEQRES  23 B  471  LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL          
SEQRES  24 B  471  ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS          
SEQRES  25 B  471  TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP          
SEQRES  26 B  471  PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP          
SEQRES  27 B  471  THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP          
SEQRES  28 B  471  GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS          
SEQRES  29 B  471  THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU          
SEQRES  30 B  471  ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE          
SEQRES  31 B  471  LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN          
SEQRES  32 B  471  GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET          
SEQRES  33 B  471  MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR          
SEQRES  34 B  471  GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU          
SEQRES  35 B  471  GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU          
SEQRES  36 B  471  GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS          
SEQRES  37 B  471  LYS VAL ARG                                                  
HET    HEM  A 472      43                                                       
HET    HEM  B 472      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     HEM HEME                                                             
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   5  HOH   *397(H2 O)                                                    
HELIX    1   1 GLY A   12  LEU A   20  5                                   9    
HELIX    2   2 PRO A   25  LEU A   36  1                                  12    
HELIX    3   3 GLN A   55  ALA A   61  1                                   7    
HELIX    4   4 GLN A   73  ALA A   82  1                                  10    
HELIX    5   5 LEU A   86  THR A   88  5                                   3    
HELIX    6   6 LYS A   94  PHE A  107  1                                  14    
HELIX    7   7 GLN A  110  GLU A  131  5                                  22    
HELIX    8   8 VAL A  141  PHE A  158  1                                  18    
HELIX    9   9 SER A  164  TYR A  166  5                                   3    
HELIX   10  10 PRO A  172  LEU A  188  1                                  17    
HELIX   11  11 ASP A  199  SER A  226  1                                  28    
HELIX   12  12 LEU A  233  LEU A  238  1                                   6    
HELIX   13  13 ASP A  251  LYS A  282  1                                  32    
HELIX   14  14 PRO A  284  VAL A  297  1                                  14    
HELIX   15  15 TYR A  305  GLN A  310  1                                   6    
HELIX   16  16 LYS A  312  LEU A  324  1                                  13    
HELIX   17  17 ILE A  357  ARG A  362  1                                   6    
HELIX   18  18 LYS A  364  TRP A  367  1                                   4    
HELIX   19  19 PRO A  376  PHE A  379  5                                   4    
HELIX   20  20 PRO A  382  ALA A  384  5                                   3    
HELIX   21  21 GLY A  396  ARG A  398  5                                   3    
HELIX   22  22 GLN A  403  HIS A  420  1                                  18    
HELIX   23  23 GLY B   12  LEU B   14  5                                   3    
HELIX   24  24 LEU B   17  LEU B   20  5                                   4    
HELIX   25  25 PRO B   25  LEU B   36  1                                  12    
HELIX   26  26 GLN B   55  ALA B   61  1                                   7    
HELIX   27  27 GLN B   73  ALA B   82  1                                  10    
HELIX   28  28 LYS B   94  PHE B  107  1                                  14    
HELIX   29  29 ALA B  111  ARG B  132  5                                  22    
HELIX   30  30 VAL B  141  PHE B  158  1                                  18    
HELIX   31  31 SER B  164  TYR B  166  5                                   3    
HELIX   32  32 PRO B  172  LEU B  188  1                                  17    
HELIX   33  33 ASP B  199  SER B  226  1                                  28    
HELIX   34  34 LEU B  233  LEU B  238  1                                   6    
HELIX   35  35 ASP B  251  LYS B  282  1                                  32    
HELIX   36  36 PRO B  284  VAL B  297  1                                  14    
HELIX   37  37 TYR B  305  GLN B  310  1                                   6    
HELIX   38  38 LYS B  312  LEU B  324  1                                  13    
HELIX   39  39 LEU B  341  GLY B  343  5                                   3    
HELIX   40  40 ILE B  357  ARG B  362  1                                   6    
HELIX   41  41 LYS B  364  TRP B  367  1                                   4    
HELIX   42  42 PRO B  376  PHE B  379  5                                   4    
HELIX   43  43 PRO B  382  ALA B  384  5                                   3    
HELIX   44  44 GLY B  396  ARG B  398  5                                   3    
HELIX   45  45 GLN B  403  HIS B  420  1                                  18    
SHEET    1   A 5 ILE A  39  ALA A  44  0                                        
SHEET    2   A 5 ARG A  47  LEU A  52 -1  N  TYR A  51   O  PHE A  40           
SHEET    3   A 5 GLU A 352  LEU A 356  1  N  MET A 354   O  ARG A  50           
SHEET    4   A 5 ALA A 330  ALA A 335 -1  N  LEU A 333   O  LEU A 353           
SHEET    5   A 5 PHE A  67  LYS A  69 -1  N  ASP A  68   O  TYR A 334           
SHEET    1   B 2 THR A 339  LEU A 341  0                                        
SHEET    2   B 2 TYR A 345  LEU A 347 -1  N  LEU A 347   O  THR A 339           
SHEET    1   C 2 PHE A 421  GLU A 424  0                                        
SHEET    2   C 2 LYS A 447  SER A 450 -1  N  LYS A 449   O  ASP A 422           
SHEET    1   D 2 ILE A 433  GLU A 435  0                                        
SHEET    2   D 2 LEU A 439  PRO A 441 -1  N  LYS A 440   O  LYS A 434           
SHEET    1   E 5 ILE B  39  ALA B  44  0                                        
SHEET    2   E 5 ARG B  47  LEU B  52 -1  N  TYR B  51   O  PHE B  40           
SHEET    3   E 5 GLU B 352  LEU B 356  1  N  MET B 354   O  ARG B  50           
SHEET    4   E 5 ALA B 330  ALA B 335 -1  N  LEU B 333   O  LEU B 353           
SHEET    5   E 5 PHE B  67  LYS B  69 -1  N  ASP B  68   O  TYR B 334           
SHEET    1   F 2 THR B 339  LEU B 341  0                                        
SHEET    2   F 2 TYR B 345  LEU B 347 -1  N  LEU B 347   O  THR B 339           
SHEET    1   G 2 PHE B 421  GLU B 424  0                                        
SHEET    2   G 2 LYS B 447  SER B 450 -1  N  LYS B 449   O  ASP B 422           
SHEET    1   H 2 ILE B 433  GLU B 435  0                                        
SHEET    2   H 2 LEU B 439  PRO B 441 -1  N  LYS B 440   O  LYS B 434           
LINK         SG  CYS A 400                FE   HEM A 472     1555   1555  2.04  
LINK        FE   HEM A 472                 O   HOH A 473     1555   1555  1.95  
LINK         SG  CYS B 400                FE   HEM B 472     1555   1555  2.10  
LINK        FE   HEM B 472                 O   HOH B 473     1555   1555  1.97  
CISPEP   1 ASP A  195    PRO A  196          0        -0.71                     
CISPEP   2 ASP B  195    PRO B  196          0         0.39                     
SITE     1 AC1 22 LYS A  69  LEU A  86  TRP A  96  PHE A 107                    
SITE     2 AC1 22 GLY A 265  ALA A 268  THR A 269  THR A 327                    
SITE     3 AC1 22 PHE A 331  PRO A 392  PHE A 393  GLY A 394                    
SITE     4 AC1 22 ARG A 398  CYS A 400  ILE A 401  ALA A 406                    
SITE     5 AC1 22 HOH A 473  HOH A 494  HOH A 515  HOH A 550                    
SITE     6 AC1 22 HOH A 556  HOH A 682                                          
SITE     1 AC2 22 LYS B  69  LEU B  86  PHE B  87  TRP B  96                    
SITE     2 AC2 22 GLY B 265  ALA B 268  THR B 269  PHE B 331                    
SITE     3 AC2 22 PRO B 392  PHE B 393  GLY B 394  ARG B 398                    
SITE     4 AC2 22 ALA B 399  CYS B 400  ILE B 401  ALA B 406                    
SITE     5 AC2 22 HOH B 473  HOH B 485  HOH B 522  HOH B 570                    
SITE     6 AC2 22 HOH B 610  HOH B 617                                          
CRYST1   59.500  154.000   62.400  90.00  95.00  90.00 P 1 21 1      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      0.016807  0.000000  0.001470        0.00000                         
SCALE2      0.000000  0.006494  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016087        0.00000                         
MTRIX1   1 -0.999026  0.019407 -0.039625       86.02430    1                    
MTRIX2   1 -0.003465 -0.929810 -0.368024      198.59019    1                    
MTRIX3   1 -0.043986 -0.367528  0.928972       39.56500    1