HEADER    OXIDOREDUCTASE                          28-AUG-13   4MGJ              
TITLE     CRYSTAL STRUCTURE OF CYTOCHROME P450 2B4 F429H IN COMPLEX WITH 4-CPI  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME P450 2B4;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CYPIIB4, CYTOCHROME P450 ISOZYME 2, CYTOCHROME P450 LM2,    
COMPND   5 CYTOCHROME P450 TYPE B0, CYTOCHROME P450 TYPE B1;                    
COMPND   6 EC: 1.14.14.1;                                                       
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS;                          
SOURCE   3 ORGANISM_COMMON: EUROPEAN RABBIT,JAPANESE WHITE RABBIT,DOMESTIC      
SOURCE   4 RABBIT,RABBITS;                                                      
SOURCE   5 ORGANISM_TAXID: 9986;                                                
SOURCE   6 GENE: CYP2B4;                                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PLW01                                     
KEYWDS    P450 FOLD, CLOSED CONFORMATION, 4-CPI BINDING, OXIDOREDUCTASE         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.YANG,H.ZHANG,D.USHARANI,W.BU,S.IM,M.TARASEV,F.RWERE,J.MEAGHER,      
AUTHOR   2 C.SUN,J.STUCKEY,S.SHAIK,L.WASKELL                                    
REVDAT   3   28-FEB-24 4MGJ    1       REMARK SEQADV LINK                       
REVDAT   2   24-SEP-14 4MGJ    1       JRNL                                     
REVDAT   1   13-AUG-14 4MGJ    0                                                
JRNL        AUTH   Y.YANG,H.ZHANG,D.USHARANI,W.BU,S.IM,M.TARASEV,F.RWERE,       
JRNL        AUTH 2 N.M.PEARL,J.MEAGHER,C.SUN,J.STUCKEY,S.SHAIK,L.WASKELL        
JRNL        TITL   STRUCTURAL AND FUNCTIONAL CHARACTERIZATION OF A CYTOCHROME   
JRNL        TITL 2 P450 2B4 F429H MUTANT WITH AN AXIAL THIOLATE-HISTIDINE       
JRNL        TITL 3 HYDROGEN BOND.                                               
JRNL        REF    BIOCHEMISTRY                  V.  53  5080 2014              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   25029089                                                     
JRNL        DOI    10.1021/BI5003794                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.41 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : BUSTER 2.10.0                                        
REMARK   3   AUTHORS     : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER,              
REMARK   3               : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN,              
REMARK   3               : WOMACK,MATTHEWS,TEN EYCK,TRONRUD                     
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.41                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.31                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 25612                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD           : THROUGHOUT                     
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3   R VALUE     (WORKING + TEST SET)  : 0.222                          
REMARK   3   R VALUE            (WORKING SET)  : 0.219                          
REMARK   3   FREE R VALUE                      : 0.248                          
REMARK   3   FREE R VALUE TEST SET SIZE   (%)  : 10.070                         
REMARK   3   FREE R VALUE TEST SET COUNT       : 2860                           
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               : 14                       
REMARK   3   BIN RESOLUTION RANGE HIGH   (ANGSTROMS) : 2.41                     
REMARK   3   BIN RESOLUTION RANGE LOW    (ANGSTROMS) : 2.50                     
REMARK   3   BIN COMPLETENESS (WORKING+TEST)     (%) : 98.72                    
REMARK   3   REFLECTIONS IN BIN (WORKING + TEST SET) : 2919                     
REMARK   3   BIN R VALUE        (WORKING + TEST SET) : 0.2686                   
REMARK   3   REFLECTIONS IN BIN        (WORKING SET) : 2622                     
REMARK   3   BIN R VALUE               (WORKING SET) : 0.2643                   
REMARK   3   BIN FREE R VALUE                        : 0.3065                   
REMARK   3   BIN FREE R VALUE TEST SET SIZE      (%) : 10.17                    
REMARK   3   BIN FREE R VALUE TEST SET COUNT         : 297                      
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            : 3634                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 55                                      
REMARK   3   SOLVENT ATOMS            : 106                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 65.66                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 75.18                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.29270                                             
REMARK   3    B22 (A**2) : -1.29270                                             
REMARK   3    B33 (A**2) : 2.58530                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT                    (A) : 0.485               
REMARK   3   DPI (BLOW EQ-10) BASED ON R VALUE        (A) : NULL                
REMARK   3   DPI (BLOW EQ-9) BASED ON FREE R VALUE    (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON R VALUE       (A) : NULL                
REMARK   3   DPI (CRUICKSHANK) BASED ON FREE R VALUE  (A) : NULL                
REMARK   3                                                                      
REMARK   3   REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797                
REMARK   3               CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601     
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.939                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.918                         
REMARK   3                                                                      
REMARK   3   NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15                    
REMARK   3   TERM                          COUNT    WEIGHT   FUNCTION.          
REMARK   3    BOND LENGTHS              : 7462   ; 2.000  ; HARMONIC            
REMARK   3    BOND ANGLES               : 13487  ; 2.000  ; HARMONIC            
REMARK   3    TORSION ANGLES            : 2018   ; 2.000  ; SINUSOIDAL          
REMARK   3    TRIGONAL CARBON PLANES    : 81     ; 2.000  ; HARMONIC            
REMARK   3    GENERAL PLANES            : 1094   ; 5.000  ; HARMONIC            
REMARK   3    ISOTROPIC THERMAL FACTORS : 7462   ; 20.000 ; HARMONIC            
REMARK   3    BAD NON-BONDED CONTACTS   : NULL   ; NULL   ; NULL                
REMARK   3    IMPROPER TORSIONS         : NULL   ; NULL   ; NULL                
REMARK   3    PSEUDOROTATION ANGLES     : NULL   ; NULL   ; NULL                
REMARK   3    CHIRAL IMPROPER TORSION   : 475    ; 5.000  ; SEMIHARMONIC        
REMARK   3    SUM OF OCCUPANCIES        : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY DISTANCES         : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY ANGLES            : NULL   ; NULL   ; NULL                
REMARK   3    UTILITY TORSION           : NULL   ; NULL   ; NULL                
REMARK   3    IDEAL-DIST CONTACT TERM   : 7887   ; 4.000  ; SEMIHARMONIC        
REMARK   3                                                                      
REMARK   3   RMS DEVIATIONS FROM IDEAL VALUES.                                  
REMARK   3    BOND LENGTHS                       (A) : 0.010                    
REMARK   3    BOND ANGLES                  (DEGREES) : 0.97                     
REMARK   3    PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.02                     
REMARK   3    OTHER TORSION ANGLES         (DEGREES) : 2.94                     
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 1                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: { A|28 - A|491 A|501 - A|502 }                         
REMARK   3    ORIGIN FOR THE GROUP (A):   40.5353   -5.7275    6.5375           
REMARK   3    T TENSOR                                                          
REMARK   3     T11:    0.0715 T22:    0.0136                                    
REMARK   3     T33:   -0.0461 T12:   -0.2538                                    
REMARK   3     T13:    0.0731 T23:   -0.1194                                    
REMARK   3    L TENSOR                                                          
REMARK   3     L11:    0.7921 L22:    0.8135                                    
REMARK   3     L33:    0.0039 L12:    0.2188                                    
REMARK   3     L13:   -0.3390 L23:   -0.4140                                    
REMARK   3    S TENSOR                                                          
REMARK   3     S11:    0.0393 S12:   -0.0838 S13:    0.0580                     
REMARK   3     S21:   -0.0623 S22:   -0.1238 S23:    0.1040                     
REMARK   3     S31:   -0.0148 S32:    0.0847 S33:    0.0845                     
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4MGJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-AUG-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000081882.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-NOV-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X29A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.075                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 27822                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 63.33                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM ACETATE, 0.1 M SODIUM    
REMARK 280  CACODYLATE, 10-10% PEG 3350, PH 6.5, VAPOR DIFFUSION, HANGING       
REMARK 280  DROP, TEMPERATURE 277K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.12667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      100.25333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      100.25333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       50.12667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 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 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     MET A    20                                                      
REMARK 465     ALA A    21                                                      
REMARK 465     LYS A    22                                                      
REMARK 465     LYS A    23                                                      
REMARK 465     THR A    24                                                      
REMARK 465     SER A    25                                                      
REMARK 465     SER A    26                                                      
REMARK 465     LYS A    27                                                      
REMARK 465     ASP A    47                                                      
REMARK 465     ARG A    48                                                      
REMARK 465     LYS A    49                                                      
REMARK 465     GLY A    50                                                      
REMARK 465     LEU A    51                                                      
REMARK 465     LEU A    52                                                      
REMARK 465     ARG A    53                                                      
REMARK 465     SER A    54                                                      
REMARK 465     GLY A   136                                                      
REMARK 465     MET A   137                                                      
REMARK 465     GLY A   138                                                      
REMARK 465     LYS A   139                                                      
REMARK 465     HIS A   492                                                      
REMARK 465     HIS A   493                                                      
REMARK 465     HIS A   494                                                      
REMARK 465     HIS A   495                                                      
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    LEU A  70       55.43    -94.40                                   
REMARK 500    SER A 210       46.71    -85.31                                   
REMARK 500    ASN A 260       61.04   -154.60                                   
REMARK 500    HIS A 335      -64.36    -95.68                                   
REMARK 500    ILE A 363       79.42   -116.32                                   
REMARK 500    SER A 430     -161.63     62.33                                   
REMARK 500    ILE A 435      136.98    -37.77                                   
REMARK 500    CYS A 436      123.17    -35.00                                   
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 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 436   SG                                                     
REMARK 620 2 HEM A 501   NA   98.2                                              
REMARK 620 3 HEM A 501   NB   84.7  87.5                                        
REMARK 620 4 HEM A 501   NC   82.6 178.0  90.7                                  
REMARK 620 5 HEM A 501   ND   93.0  94.4 177.3  87.4                            
REMARK 620 6 CPZ A 502   N1  178.5  82.8  94.2  96.4  88.0                      
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 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CPZ A 502                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4MGL   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4MGO   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE SEGMENT INDICATED AS EXPRESSION TAG HAS BEEN INTRODUCED TO       
REMARK 999 IMPROVE THE SOLUBILITY OF THE PROTEIN CHAIN                          
DBREF  4MGJ A   30   491  UNP    P00178   CP2B4_RABIT     30    491             
SEQADV 4MGJ MET A   20  UNP  P00178              INITIATING METHIONINE          
SEQADV 4MGJ ALA A   21  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ LYS A   22  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ LYS A   23  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ THR A   24  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ SER A   25  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ SER A   26  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ LYS A   27  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ GLY A   28  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ LYS A   29  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ TYR A  226  UNP  P00178    HIS   226 ENGINEERED MUTATION            
SEQADV 4MGJ HIS A  429  UNP  P00178    PHE   429 ENGINEERED MUTATION            
SEQADV 4MGJ HIS A  492  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ HIS A  493  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ HIS A  494  UNP  P00178              EXPRESSION TAG                 
SEQADV 4MGJ HIS A  495  UNP  P00178              EXPRESSION TAG                 
SEQRES   1 A  476  MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO          
SEQRES   2 A  476  GLY PRO SER PRO LEU PRO VAL LEU GLY ASN LEU LEU GLN          
SEQRES   3 A  476  MET ASP ARG LYS GLY LEU LEU ARG SER PHE LEU ARG LEU          
SEQRES   4 A  476  ARG GLU LYS TYR GLY ASP VAL PHE THR VAL TYR LEU GLY          
SEQRES   5 A  476  SER ARG PRO VAL VAL VAL LEU CYS GLY THR ASP ALA ILE          
SEQRES   6 A  476  ARG GLU ALA LEU VAL ASP GLN ALA GLU ALA PHE SER GLY          
SEQRES   7 A  476  ARG GLY LYS ILE ALA VAL VAL ASP PRO ILE PHE GLN GLY          
SEQRES   8 A  476  TYR GLY VAL ILE PHE ALA ASN GLY GLU ARG TRP ARG ALA          
SEQRES   9 A  476  LEU ARG ARG PHE SER LEU ALA THR MET ARG ASP PHE GLY          
SEQRES  10 A  476  MET GLY LYS ARG SER VAL GLU GLU ARG ILE GLN GLU GLU          
SEQRES  11 A  476  ALA ARG CYS LEU VAL GLU GLU LEU ARG LYS SER LYS GLY          
SEQRES  12 A  476  ALA LEU LEU ASP ASN THR LEU LEU PHE HIS SER ILE THR          
SEQRES  13 A  476  SER ASN ILE ILE CYS SER ILE VAL PHE GLY LYS ARG PHE          
SEQRES  14 A  476  ASP TYR LYS ASP PRO VAL PHE LEU ARG LEU LEU ASP LEU          
SEQRES  15 A  476  PHE PHE GLN SER PHE SER LEU ILE SER SER PHE SER SER          
SEQRES  16 A  476  GLN VAL PHE GLU LEU PHE PRO GLY PHE LEU LYS TYR PHE          
SEQRES  17 A  476  PRO GLY THR HIS ARG GLN ILE TYR ARG ASN LEU GLN GLU          
SEQRES  18 A  476  ILE ASN THR PHE ILE GLY GLN SER VAL GLU LYS HIS ARG          
SEQRES  19 A  476  ALA THR LEU ASP PRO SER ASN PRO ARG ASP PHE ILE ASP          
SEQRES  20 A  476  VAL TYR LEU LEU ARG MET GLU LYS ASP LYS SER ASP PRO          
SEQRES  21 A  476  SER SER GLU PHE HIS HIS GLN ASN LEU ILE LEU THR VAL          
SEQRES  22 A  476  LEU SER LEU PHE PHE ALA GLY THR GLU THR THR SER THR          
SEQRES  23 A  476  THR LEU ARG TYR GLY PHE LEU LEU MET LEU LYS TYR PRO          
SEQRES  24 A  476  HIS VAL THR GLU ARG VAL GLN LYS GLU ILE GLU GLN VAL          
SEQRES  25 A  476  ILE GLY SER HIS ARG PRO PRO ALA LEU ASP ASP ARG ALA          
SEQRES  26 A  476  LYS MET PRO TYR THR ASP ALA VAL ILE HIS GLU ILE GLN          
SEQRES  27 A  476  ARG LEU GLY ASP LEU ILE PRO PHE GLY VAL PRO HIS THR          
SEQRES  28 A  476  VAL THR LYS ASP THR GLN PHE ARG GLY TYR VAL ILE PRO          
SEQRES  29 A  476  LYS ASN THR GLU VAL PHE PRO VAL LEU SER SER ALA LEU          
SEQRES  30 A  476  HIS ASP PRO ARG TYR PHE GLU THR PRO ASN THR PHE ASN          
SEQRES  31 A  476  PRO GLY HIS PHE LEU ASP ALA ASN GLY ALA LEU LYS ARG          
SEQRES  32 A  476  ASN GLU GLY PHE MET PRO HIS SER LEU GLY LYS ARG ILE          
SEQRES  33 A  476  CYS LEU GLY GLU GLY ILE ALA ARG THR GLU LEU PHE LEU          
SEQRES  34 A  476  PHE PHE THR THR ILE LEU GLN ASN PHE SER ILE ALA SER          
SEQRES  35 A  476  PRO VAL PRO PRO GLU ASP ILE ASP LEU THR PRO ARG GLU          
SEQRES  36 A  476  SER GLY VAL GLY ASN VAL PRO PRO SER TYR GLN ILE ARG          
SEQRES  37 A  476  PHE LEU ALA ARG HIS HIS HIS HIS                              
HET    HEM  A 501      43                                                       
HET    CPZ  A 502      12                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CPZ 4-(4-CHLOROPHENYL)IMIDAZOLE                                      
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  CPZ    C9 H7 CL N2                                                  
FORMUL   4  HOH   *106(H2 O)                                                    
HELIX    1   1 ASN A   42  MET A   46  5                                   5    
HELIX    2   2 LEU A   58  GLY A   63  1                                   6    
HELIX    3   3 GLY A   80  VAL A   89  1                                  10    
HELIX    4   4 VAL A  104  GLN A  109  1                                   6    
HELIX    5   5 TYR A  111  ALA A  116  1                                   6    
HELIX    6   6 ASN A  117  PHE A  135  1                                  19    
HELIX    7   7 SER A  141  LYS A  161  1                                  21    
HELIX    8   8 ASN A  167  GLY A  185  1                                  19    
HELIX    9   9 ASP A  192  SER A  210  1                                  19    
HELIX   10  10 SER A  211  PHE A  220  1                                  10    
HELIX   11  11 PHE A  220  LYS A  225  1                                   6    
HELIX   12  12 GLY A  229  THR A  255  1                                  27    
HELIX   13  13 ASP A  263  ASP A  275  1                                  13    
HELIX   14  14 LYS A  276  ASP A  278  5                                   3    
HELIX   15  15 HIS A  284  THR A  300  1                                  17    
HELIX   16  16 THR A  300  TYR A  317  1                                  18    
HELIX   17  17 TYR A  317  ILE A  332  1                                  16    
HELIX   18  18 ALA A  339  LYS A  345  5                                   7    
HELIX   19  19 MET A  346  ASP A  361  1                                  16    
HELIX   20  20 VAL A  391  HIS A  397  1                                   7    
HELIX   21  21 ASN A  409  LEU A  414  5                                   6    
HELIX   22  22 GLY A  438  ASN A  456  1                                  19    
HELIX   23  23 PRO A  464  ILE A  468  5                                   5    
SHEET    1   A 5 VAL A  65  TYR A  69  0                                        
SHEET    2   A 5 PRO A  74  LEU A  78 -1  O  VAL A  75   N  VAL A  68           
SHEET    3   A 5 GLU A 387  PRO A 390  1  O  GLU A 387   N  VAL A  76           
SHEET    4   A 5 HIS A 369  THR A 370 -1  N  HIS A 369   O  VAL A 388           
SHEET    5   A 5 GLY A  97  ARG A  98 -1  N  GLY A  97   O  THR A 370           
SHEET    1   B 2 THR A 375  PHE A 377  0                                        
SHEET    2   B 2 TYR A 380  ILE A 382 -1  O  TYR A 380   N  PHE A 377           
SHEET    1   C 2 PHE A 457  ALA A 460  0                                        
SHEET    2   C 2 ARG A 487  ALA A 490 -1  O  ARG A 487   N  ALA A 460           
LINK         SG  CYS A 436                FE   HEM A 501     1555   1555  2.48  
LINK        FE   HEM A 501                 N1  CPZ A 502     1555   1555  2.19  
SITE     1 AC1 21 ARG A  98  VAL A 113  ILE A 114  TRP A 121                    
SITE     2 AC1 21 ARG A 125  MET A 132  ALA A 298  GLY A 299                    
SITE     3 AC1 21 THR A 303  THR A 306  ILE A 363  VAL A 367                    
SITE     4 AC1 21 HIS A 369  LEU A 392  PRO A 428  HIS A 429                    
SITE     5 AC1 21 SER A 430  ARG A 434  CYS A 436  GLY A 438                    
SITE     6 AC1 21 CPZ A 502                                                     
SITE     1 AC2  6 ILE A 101  PHE A 297  ALA A 298  THR A 302                    
SITE     2 AC2  6 VAL A 477  HEM A 501                                          
CRYST1   91.490   91.490  150.380  90.00  90.00 120.00 P 31 2 1      6          
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      0.010930  0.006311  0.000000        0.00000                         
SCALE2      0.000000  0.012621  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006650        0.00000