HEADER    OXIDOREDUCTASE                          02-DEC-09   3KX5              
TITLE     CRYSTAL STRUCTURE OF BACILLUS MEGATERIUM BM3 HEME DOMAIN MUTANT F261E 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BIFUNCTIONAL P-450/NADPH-P450 REDUCTASE;                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: HEME DOMAIN (UNP RESIDUES 2-471);                          
COMPND   5 SYNONYM: FLAVOCYTOCHROME P450 BM3, CYTOCHROME P450(BM-3), P450BM-3,  
COMPND   6 CYTOCHROME P450 102, NADPH--CYTOCHROME P450 REDUCTASE;               
COMPND   7 EC: 1.14.14.1;                                                       
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS MEGATERIUM;                            
SOURCE   3 ORGANISM_TAXID: 1404;                                                
SOURCE   4 GENE: CYP102A1, CYP102;                                              
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: TG1                                       
KEYWDS    CYTOCHROME P450, F261E MUTANT, HEME DOMAIN, CYTOPLASM, ELECTRON       
KEYWDS   2 TRANSPORT, FAD, FLAVOPROTEIN, FMN, HEME, IRON, METAL-BINDING,        
KEYWDS   3 MONOOXYGENASE, MULTIFUNCTIONAL ENZYME, NADP, OXIDOREDUCTASE,         
KEYWDS   4 TRANSPORT                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.M.GIRVAN,C.W.LEVY,D.LEYS,A.W.MUNRO                                  
REVDAT   3   29-MAY-24 3KX5    1       REMARK                                   
REVDAT   2   10-NOV-21 3KX5    1       REMARK SEQADV                            
REVDAT   1   19-MAY-10 3KX5    0                                                
JRNL        AUTH   H.M.GIRVAN,C.W.LEVY,P.WILLIAMS,K.FISHER,M.R.CHEESMAN,        
JRNL        AUTH 2 S.E.RIGBY,D.LEYS,A.W.MUNRO                                   
JRNL        TITL   GLUTAMATE-HAEM ESTER BOND FORMATION IS DISFAVOURED IN        
JRNL        TITL 2 FLAVOCYTOCHROME P450 BM3: CHARACTERIZATION OF GLUTAMATE      
JRNL        TITL 3 SUBSTITUTION MUTANTS AT THE HAEM SITE OF P450 BM3.           
JRNL        REF    BIOCHEM.J.                    V. 427   455 2010              
JRNL        REFN                   ISSN 0264-6021                               
JRNL        PMID   20180779                                                     
JRNL        DOI    10.1042/BJ20091603                                           
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.69 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.5_2)                        
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.69                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.87                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 2.020                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 117655                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.175                           
REMARK   3   R VALUE            (WORKING SET) : 0.174                           
REMARK   3   FREE R VALUE                     : 0.208                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5884                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 31.8787 -  5.2322    0.90     3548   183  0.1673 0.1816        
REMARK   3     2  5.2322 -  4.1559    0.99     3857   174  0.1358 0.1715        
REMARK   3     3  4.1559 -  3.6314    0.99     3817   204  0.1451 0.1609        
REMARK   3     4  3.6314 -  3.2997    0.99     3793   182  0.1523 0.1811        
REMARK   3     5  3.2997 -  3.0634    0.99     3827   204  0.1645 0.1777        
REMARK   3     6  3.0634 -  2.8829    0.99     3742   237  0.1790 0.2228        
REMARK   3     7  2.8829 -  2.7386    0.99     3791   216  0.1786 0.2156        
REMARK   3     8  2.7386 -  2.6195    0.99     3794   196  0.1792 0.2285        
REMARK   3     9  2.6195 -  2.5187    0.99     3802   214  0.1779 0.2298        
REMARK   3    10  2.5187 -  2.4318    0.99     3815   190  0.1785 0.2210        
REMARK   3    11  2.4318 -  2.3558    0.99     3796   203  0.1722 0.2025        
REMARK   3    12  2.3558 -  2.2885    0.99     3733   221  0.1693 0.1994        
REMARK   3    13  2.2885 -  2.2282    0.99     3781   196  0.1653 0.2111        
REMARK   3    14  2.2282 -  2.1739    0.99     3866   160  0.1684 0.1958        
REMARK   3    15  2.1739 -  2.1245    0.99     3783   200  0.1752 0.2122        
REMARK   3    16  2.1245 -  2.0793    0.99     3817   180  0.1712 0.1995        
REMARK   3    17  2.0793 -  2.0377    0.99     3804   184  0.1812 0.2280        
REMARK   3    18  2.0377 -  1.9992    0.99     3750   225  0.1839 0.2351        
REMARK   3    19  1.9992 -  1.9635    0.99     3838   207  0.1910 0.2238        
REMARK   3    20  1.9635 -  1.9303    0.99     3719   211  0.1861 0.2248        
REMARK   3    21  1.9303 -  1.8991    0.99     3855   194  0.1900 0.2372        
REMARK   3    22  1.8991 -  1.8699    0.99     3748   220  0.1985 0.2493        
REMARK   3    23  1.8699 -  1.8424    0.99     3861   180  0.2039 0.2316        
REMARK   3    24  1.8424 -  1.8165    0.99     3780   174  0.2004 0.2540        
REMARK   3    25  1.8165 -  1.7919    0.99     3805   208  0.2080 0.2352        
REMARK   3    26  1.7919 -  1.7687    0.99     3737   197  0.2179 0.2592        
REMARK   3    27  1.7687 -  1.7465    0.98     3803   224  0.2219 0.2669        
REMARK   3    28  1.7465 -  1.7255    0.98     3712   204  0.2397 0.2981        
REMARK   3    29  1.7255 -  1.7054    0.97     3670   200  0.2400 0.2691        
REMARK   3    30  1.7054 -  1.6863    0.54     2127    96  0.2645 0.3119        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.40                                          
REMARK   3   B_SOL              : 60.30                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.190            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.110           
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) : 0.96080                                              
REMARK   3    B22 (A**2) : -2.31800                                             
REMARK   3    B33 (A**2) : 1.35720                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 1.62980                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.006           7596                                  
REMARK   3   ANGLE     :  1.058          10323                                  
REMARK   3   CHIRALITY :  0.075           1103                                  
REMARK   3   PLANARITY :  0.005           1347                                  
REMARK   3   DIHEDRAL  : 17.764           2841                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3KX5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 09-DEC-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000056557.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 06-APR-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I02                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0698                             
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 117663                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.686                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.9                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.07400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.71                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.40300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: PHENIX                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.09                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM CACODYLIC ACID, PH 6.0, 13% PEG    
REMARK 280  3350, 140MM MGCL2, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE       
REMARK 280  277K, PH 7.4                                                        
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       76.90000            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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     THR A     1                                                      
REMARK 465     ILE A     2                                                      
REMARK 465     LYS A     3                                                      
REMARK 465     GLU A     4                                                      
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     THR B     1                                                      
REMARK 465     ILE B     2                                                      
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A  31    CG   CD   CE   NZ                                   
REMARK 470     ASP A 136    CG   OD1  OD2                                       
REMARK 470     GLN A 189    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 228    CG   CD   OE1  OE2                                  
REMARK 470     ILE A 458    CG1  CG2  CD1                                       
REMARK 470     PRO A 459    CG   CD                                             
REMARK 470     LYS B   3    CG   CD   CE   NZ                                   
REMARK 470     GLU B   4    CG   CD   OE1  OE2                                  
REMARK 470     LYS B   9    CG   CD   CE   NZ                                   
REMARK 470     LYS B  31    CG   CD   CE   NZ                                   
REMARK 470     ARG B  47    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP B 136    CG   OD1  OD2                                       
REMARK 470     GLN B 189    CG   CD   OE1  NE2                                  
REMARK 470     ASN B 192    CG   OD1  ND2                                       
REMARK 470     ASP B 195    CG   OD1  OD2                                       
REMARK 470     GLU B 207    CG   CD   OE1  OE2                                  
REMARK 470     GLU B 373    CG   CD   OE1  OE2                                  
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    GLU A  13      -51.13     61.16                                   
REMARK 500    LYS A  15     -123.27     57.55                                   
REMARK 500    ASP A  84       39.24    -93.17                                   
REMARK 500    ASP A 136      -30.15     79.18                                   
REMARK 500    PHE A 158       27.63   -149.18                                   
REMARK 500    ASP A 231       36.95    -83.93                                   
REMARK 500    THR A 436     -125.18   -117.63                                   
REMARK 500    LYS B  15     -126.94     53.44                                   
REMARK 500    ASN B  21       57.36    -95.77                                   
REMARK 500    ASP B  84       41.87    -94.43                                   
REMARK 500    PHE B 158       30.34   -151.70                                   
REMARK 500    ASP B 195      151.73    -47.21                                   
REMARK 500    ASP B 370       45.87    -94.81                                   
REMARK 500    THR B 436     -125.87   -127.99                                   
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   97.8                                              
REMARK 620 3 HEM A 472   NB   90.8  90.5                                        
REMARK 620 4 HEM A 472   NC   90.2 171.9  90.6                                  
REMARK 620 5 HEM A 472   ND   98.8  88.6 170.4  88.9                            
REMARK 620 N                    1     2     3     4                             
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   99.0                                              
REMARK 620 3 HEM B 472   NB   91.2  89.4                                        
REMARK 620 4 HEM B 472   NC   90.8 170.2  90.0                                  
REMARK 620 5 HEM B 472   ND   98.5  89.1 170.2  89.9                            
REMARK 620 6 HOH B 800   O   174.8  79.2  83.9  91.0  86.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 472                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 471                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 472                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3KX3   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3KX4   RELATED DB: PDB                                   
DBREF  3KX5 A    1   470  UNP    P14779   CPXB_BACME       2    471             
DBREF  3KX5 B    1   470  UNP    P14779   CPXB_BACME       2    471             
SEQADV 3KX5 GLU A  261  UNP  P14779    PHE   262 ENGINEERED MUTATION            
SEQADV 3KX5 GLU B  261  UNP  P14779    PHE   262 ENGINEERED MUTATION            
SEQRES   1 A  470  THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU          
SEQRES   2 A  470  LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL          
SEQRES   3 A  470  GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE          
SEQRES   4 A  470  PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU          
SEQRES   5 A  470  SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER          
SEQRES   6 A  470  ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL          
SEQRES   7 A  470  ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR          
SEQRES   8 A  470  HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU          
SEQRES   9 A  470  PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA          
SEQRES  10 A  470  MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP          
SEQRES  11 A  470  GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU          
SEQRES  12 A  470  ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS          
SEQRES  13 A  470  GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN          
SEQRES  14 A  470  PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP          
SEQRES  15 A  470  GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP          
SEQRES  16 A  470  PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP          
SEQRES  17 A  470  ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA          
SEQRES  18 A  470  ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU          
SEQRES  19 A  470  THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU          
SEQRES  20 A  470  PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR          
SEQRES  21 A  470  GLU LEU ILE ALA GLY HIS GLU THR THR SER GLY LEU LEU          
SEQRES  22 A  470  SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL          
SEQRES  23 A  470  LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL          
SEQRES  24 A  470  ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS          
SEQRES  25 A  470  TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP          
SEQRES  26 A  470  PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP          
SEQRES  27 A  470  THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP          
SEQRES  28 A  470  GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS          
SEQRES  29 A  470  THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU          
SEQRES  30 A  470  ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE          
SEQRES  31 A  470  LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN          
SEQRES  32 A  470  GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET          
SEQRES  33 A  470  MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR          
SEQRES  34 A  470  GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU          
SEQRES  35 A  470  GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU          
SEQRES  36 A  470  GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS          
SEQRES  37 A  470  LYS VAL                                                      
SEQRES   1 B  470  THR ILE LYS GLU MET PRO GLN PRO LYS THR PHE GLY GLU          
SEQRES   2 B  470  LEU LYS ASN LEU PRO LEU LEU ASN THR ASP LYS PRO VAL          
SEQRES   3 B  470  GLN ALA LEU MET LYS ILE ALA ASP GLU LEU GLY GLU ILE          
SEQRES   4 B  470  PHE LYS PHE GLU ALA PRO GLY ARG VAL THR ARG TYR LEU          
SEQRES   5 B  470  SER SER GLN ARG LEU ILE LYS GLU ALA CYS ASP GLU SER          
SEQRES   6 B  470  ARG PHE ASP LYS ASN LEU SER GLN ALA LEU LYS PHE VAL          
SEQRES   7 B  470  ARG ASP PHE ALA GLY ASP GLY LEU PHE THR SER TRP THR          
SEQRES   8 B  470  HIS GLU LYS ASN TRP LYS LYS ALA HIS ASN ILE LEU LEU          
SEQRES   9 B  470  PRO SER PHE SER GLN GLN ALA MET LYS GLY TYR HIS ALA          
SEQRES  10 B  470  MET MET VAL ASP ILE ALA VAL GLN LEU VAL GLN LYS TRP          
SEQRES  11 B  470  GLU ARG LEU ASN ALA ASP GLU HIS ILE GLU VAL PRO GLU          
SEQRES  12 B  470  ASP MET THR ARG LEU THR LEU ASP THR ILE GLY LEU CYS          
SEQRES  13 B  470  GLY PHE ASN TYR ARG PHE ASN SER PHE TYR ARG ASP GLN          
SEQRES  14 B  470  PRO HIS PRO PHE ILE THR SER MET VAL ARG ALA LEU ASP          
SEQRES  15 B  470  GLU ALA MET ASN LYS LEU GLN ARG ALA ASN PRO ASP ASP          
SEQRES  16 B  470  PRO ALA TYR ASP GLU ASN LYS ARG GLN PHE GLN GLU ASP          
SEQRES  17 B  470  ILE LYS VAL MET ASN ASP LEU VAL ASP LYS ILE ILE ALA          
SEQRES  18 B  470  ASP ARG LYS ALA SER GLY GLU GLN SER ASP ASP LEU LEU          
SEQRES  19 B  470  THR HIS MET LEU ASN GLY LYS ASP PRO GLU THR GLY GLU          
SEQRES  20 B  470  PRO LEU ASP ASP GLU ASN ILE ARG TYR GLN ILE ILE THR          
SEQRES  21 B  470  GLU LEU ILE ALA GLY HIS GLU THR THR SER GLY LEU LEU          
SEQRES  22 B  470  SER PHE ALA LEU TYR PHE LEU VAL LYS ASN PRO HIS VAL          
SEQRES  23 B  470  LEU GLN LYS ALA ALA GLU GLU ALA ALA ARG VAL LEU VAL          
SEQRES  24 B  470  ASP PRO VAL PRO SER TYR LYS GLN VAL LYS GLN LEU LYS          
SEQRES  25 B  470  TYR VAL GLY MET VAL LEU ASN GLU ALA LEU ARG LEU TRP          
SEQRES  26 B  470  PRO THR ALA PRO ALA PHE SER LEU TYR ALA LYS GLU ASP          
SEQRES  27 B  470  THR VAL LEU GLY GLY GLU TYR PRO LEU GLU LYS GLY ASP          
SEQRES  28 B  470  GLU LEU MET VAL LEU ILE PRO GLN LEU HIS ARG ASP LYS          
SEQRES  29 B  470  THR ILE TRP GLY ASP ASP VAL GLU GLU PHE ARG PRO GLU          
SEQRES  30 B  470  ARG PHE GLU ASN PRO SER ALA ILE PRO GLN HIS ALA PHE          
SEQRES  31 B  470  LYS PRO PHE GLY ASN GLY GLN ARG ALA CYS ILE GLY GLN          
SEQRES  32 B  470  GLN PHE ALA LEU HIS GLU ALA THR LEU VAL LEU GLY MET          
SEQRES  33 B  470  MET LEU LYS HIS PHE ASP PHE GLU ASP HIS THR ASN TYR          
SEQRES  34 B  470  GLU LEU ASP ILE LYS GLU THR LEU THR LEU LYS PRO GLU          
SEQRES  35 B  470  GLY PHE VAL VAL LYS ALA LYS SER LYS LYS ILE PRO LEU          
SEQRES  36 B  470  GLY GLY ILE PRO SER PRO SER THR GLU GLN SER ALA LYS          
SEQRES  37 B  470  LYS VAL                                                      
HET    HEM  A 472      43                                                       
HET    SO4  A 471       5                                                       
HET    HEM  B 472      43                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     SO4 SULFATE ION                                                      
HETSYN     HEM HEME                                                             
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   6  HOH   *1212(H2 O)                                                   
HELIX    1   1 ASN A   16  ASN A   21  5                                   6    
HELIX    2   2 LYS A   24  GLY A   37  1                                  14    
HELIX    3   3 SER A   54  CYS A   62  1                                   9    
HELIX    4   4 SER A   72  GLY A   83  1                                  12    
HELIX    5   5 GLY A   85  SER A   89  5                                   5    
HELIX    6   6 GLU A   93  LEU A  104  1                                  12    
HELIX    7   7 PRO A  105  PHE A  107  5                                   3    
HELIX    8   8 SER A  108  ARG A  132  1                                  25    
HELIX    9   9 VAL A  141  ASN A  159  1                                  19    
HELIX   10  10 ASN A  163  ARG A  167  5                                   5    
HELIX   11  11 HIS A  171  LYS A  187  1                                  17    
HELIX   12  12 LEU A  188  ARG A  190  5                                   3    
HELIX   13  13 ASP A  195  ALA A  197  5                                   3    
HELIX   14  14 TYR A  198  GLY A  227  1                                  30    
HELIX   15  15 ASP A  232  GLY A  240  1                                   9    
HELIX   16  16 ASP A  250  ASN A  283  1                                  34    
HELIX   17  17 ASN A  283  LEU A  298  1                                  16    
HELIX   18  18 SER A  304  LYS A  309  1                                   6    
HELIX   19  19 LEU A  311  TRP A  325  1                                  15    
HELIX   20  20 ILE A  357  HIS A  361  1                                   5    
HELIX   21  21 ASP A  363  GLY A  368  1                                   6    
HELIX   22  22 ARG A  375  GLU A  380  5                                   6    
HELIX   23  23 ASN A  381  ILE A  385  5                                   5    
HELIX   24  24 ASN A  395  ALA A  399  5                                   5    
HELIX   25  25 GLY A  402  HIS A  420  1                                  19    
HELIX   26  26 PHE B   11  LYS B   15  5                                   5    
HELIX   27  27 ASN B   16  LEU B   20  5                                   5    
HELIX   28  28 LYS B   24  GLY B   37  1                                  14    
HELIX   29  29 SER B   54  CYS B   62  1                                   9    
HELIX   30  30 SER B   72  GLY B   83  1                                  12    
HELIX   31  31 GLU B   93  LEU B  104  1                                  12    
HELIX   32  32 PRO B  105  GLN B  110  5                                   6    
HELIX   33  33 ALA B  111  ARG B  132  1                                  22    
HELIX   34  34 VAL B  141  ASN B  159  1                                  19    
HELIX   35  35 ASN B  163  ARG B  167  5                                   5    
HELIX   36  36 HIS B  171  LEU B  188  1                                  18    
HELIX   37  37 ASP B  195  ALA B  197  5                                   3    
HELIX   38  38 TYR B  198  GLY B  227  1                                  30    
HELIX   39  39 ASP B  232  GLY B  240  1                                   9    
HELIX   40  40 ASP B  250  ASN B  283  1                                  34    
HELIX   41  41 ASN B  283  LEU B  298  1                                  16    
HELIX   42  42 SER B  304  GLN B  310  1                                   7    
HELIX   43  43 LEU B  311  TRP B  325  1                                  15    
HELIX   44  44 GLY B  342  GLU B  344  5                                   3    
HELIX   45  45 ILE B  357  HIS B  361  1                                   5    
HELIX   46  46 ASP B  363  GLY B  368  1                                   6    
HELIX   47  47 ARG B  375  GLU B  380  5                                   6    
HELIX   48  48 ASN B  381  ILE B  385  5                                   5    
HELIX   49  49 ASN B  395  ALA B  399  5                                   5    
HELIX   50  50 GLY B  402  HIS B  420  1                                  19    
SHEET    1   A 5 ILE A  39  ALA A  44  0                                        
SHEET    2   A 5 ARG A  47  LEU A  52 -1  O  THR A  49   N  PHE A  42           
SHEET    3   A 5 GLU A 352  LEU A 356  1  O  MET A 354   N  LEU A  52           
SHEET    4   A 5 ALA A 330  ALA A 335 -1  N  PHE A 331   O  VAL A 355           
SHEET    5   A 5 PHE A  67  LYS A  69 -1  N  ASP A  68   O  TYR A 334           
SHEET    1   B 3 ILE A 139  GLU A 140  0                                        
SHEET    2   B 3 VAL A 445  SER A 450 -1  O  VAL A 446   N  ILE A 139           
SHEET    3   B 3 PHE A 421  GLU A 424 -1  N  ASP A 422   O  LYS A 449           
SHEET    1   C 2 THR A 339  LEU A 341  0                                        
SHEET    2   C 2 TYR A 345  LEU A 347 -1  O  LEU A 347   N  THR A 339           
SHEET    1   D 2 ILE A 433  GLU A 435  0                                        
SHEET    2   D 2 LEU A 439  PRO A 441 -1  O  LYS A 440   N  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  O  THR B  49   N  PHE B  42           
SHEET    3   E 5 GLU B 352  LEU B 356  1  O  MET B 354   N  LEU B  52           
SHEET    4   E 5 ALA B 330  ALA B 335 -1  N  PHE B 331   O  VAL B 355           
SHEET    5   E 5 PHE B  67  LYS B  69 -1  N  ASP B  68   O  TYR B 334           
SHEET    1   F 3 ILE B 139  GLU B 140  0                                        
SHEET    2   F 3 VAL B 445  SER B 450 -1  O  VAL B 446   N  ILE B 139           
SHEET    3   F 3 PHE B 421  GLU B 424 -1  N  ASP B 422   O  LYS B 449           
SHEET    1   G 2 THR B 339  LEU B 341  0                                        
SHEET    2   G 2 TYR B 345  LEU B 347 -1  O  LEU B 347   N  THR B 339           
SHEET    1   H 2 ILE B 433  GLU B 435  0                                        
SHEET    2   H 2 LEU B 439  PRO B 441 -1  O  LYS B 440   N  LYS B 434           
LINK         SG  CYS A 400                FE   HEM A 472     1555   1555  2.37  
LINK         SG  CYS B 400                FE   HEM B 472     1555   1555  2.40  
LINK        FE   HEM B 472                 O   HOH B 800     1555   1555  2.74  
SITE     1 AC1 24 LYS A  69  LEU A  86  TRP A  96  GLU A 261                    
SITE     2 AC1 24 ALA A 264  GLY A 265  THR A 268  THR A 269                    
SITE     3 AC1 24 PHE A 331  PRO A 392  PHE A 393  GLY A 394                    
SITE     4 AC1 24 ARG A 398  ALA A 399  CYS A 400  ILE A 401                    
SITE     5 AC1 24 GLY A 402  ALA A 406  HOH A 490  HOH A 494                    
SITE     6 AC1 24 HOH A 497  HOH A 517  HOH A 649  HOH A 650                    
SITE     1 AC2  5 ARG A 190  ALA A 191  ASN A 192  TYR A 198                    
SITE     2 AC2  5 LYS A 306                                                     
SITE     1 AC3 27 LYS B  69  LEU B  86  PHE B  87  TRP B  96                    
SITE     2 AC3 27 PHE B 107  GLU B 261  ALA B 264  GLY B 265                    
SITE     3 AC3 27 THR B 268  THR B 269  THR B 327  PHE B 331                    
SITE     4 AC3 27 PRO B 392  PHE B 393  GLY B 394  ARG B 398                    
SITE     5 AC3 27 ALA B 399  CYS B 400  ILE B 401  GLY B 402                    
SITE     6 AC3 27 HOH B 513  HOH B 521  HOH B 522  HOH B 540                    
SITE     7 AC3 27 HOH B 678  HOH B 681  HOH B 800                               
CRYST1   59.720  153.800   60.130  90.00  94.46  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      0.016745  0.000000  0.001305        0.00000                         
SCALE2      0.000000  0.006502  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016681        0.00000