HEADER    OXIDOREDUCTASE                          18-JUN-07   2QBN              
TITLE     CRYSTAL STRUCTURE OF FERRIC G248V CYTOCHROME P450CAM                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYTOCHROME P450-CAM;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: CAMPHOR 5-MONOOXYGENASE, P450CAM;                           
COMPND   5 EC: 1.14.15.1;                                                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA;                             
SOURCE   3 ORGANISM_TAXID: 303;                                                 
SOURCE   4 GENE: CAMC, CYP101;                                                  
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET28                                     
KEYWDS    CYP101, MUTANT, CONSERVED ACTIVE SITE RESIDUE, GLY248, HEME GEOMETRY, 
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.VON KOENIG,T.M.MAKRIS,S.D.SLIGAR,I.SCHLICHTING                      
REVDAT   5   30-AUG-23 2QBN    1       REMARK                                   
REVDAT   4   20-OCT-21 2QBN    1       REMARK SEQADV LINK                       
REVDAT   3   18-OCT-17 2QBN    1       REMARK                                   
REVDAT   2   24-FEB-09 2QBN    1       VERSN                                    
REVDAT   1   25-DEC-07 2QBN    0                                                
JRNL        AUTH   T.M.MAKRIS,K.V.KOENIG,I.SCHLICHTING,S.G.SLIGAR               
JRNL        TITL   ALTERATION OF P450 DISTAL POCKET SOLVENT LEADS TO IMPAIRED   
JRNL        TITL 2 PROTON DELIVERY AND CHANGES IN HEME GEOMETRY.                
JRNL        REF    BIOCHEMISTRY                  V.  46 14129 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   18001135                                                     
JRNL        DOI    10.1021/BI7013695                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.75 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : MAXIMUM LIKELIHOOD                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 50595                          
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 SET) : 0.196                           
REMARK   3   FREE R VALUE                     : 0.223                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2502                            
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            : 3210                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 55                                      
REMARK   3   SOLVENT ATOMS            : 384                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.16                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.12600                                              
REMARK   3    B22 (A**2) : 1.12600                                              
REMARK   3    B33 (A**2) : -2.25100                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.173 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.708 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.068 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.079 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 48.97                                                
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  : CNS_TOPPAR:PROTEIN_REP.PARAM                   
REMARK   3  PARAMETER FILE  2  : PARAM19X_P450_WEAK_3+.HEME                     
REMARK   3  PARAMETER FILE  3  : CAM.PAR                                        
REMARK   3  PARAMETER FILE  4  : CNS_TOPPAR:WATER_REP.PARAM                     
REMARK   3  PARAMETER FILE  5  : CNS_TOPPAR:ION.PARAM                           
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : CNS_TOPPAR:PROTEIN.TOP                         
REMARK   3  TOPOLOGY FILE  2   : TOPH19X_P450_FE3+.HEM                          
REMARK   3  TOPOLOGY FILE  3   : CAM.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : CNS_TOPPAR:WATER.TOP                           
REMARK   3  TOPOLOGY FILE  5   : CNS_TOPPAR:ION.TOP                             
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2QBN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000043395.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-OCT-05                          
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               : SLS                                
REMARK 200  BEAMLINE                       : X10SA                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9495                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : DYNAMICALLY BENDABLE MIRROR        
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 50595                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.750                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.85                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.32400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1YRC                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.63                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1 UL OF 15 MG/ML P450 IN 50 MM           
REMARK 280  POTASSIUM PHOSPHATE, 250 MM KCL WERE MIXED WITH AN EQUAL VOLUME     
REMARK 280  OF THE RESERVOIR SOLUTION (100 MM TRIS, 250 MM KCL, 27-30% PEG      
REMARK 280  8000, 100 MM DTE), PH 7.4, VAPOR DIFFUSION, SITTING DROP,           
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+3/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+1/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+3/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+1/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000      121.07000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       31.96000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       31.96000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000      181.60500            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       31.96000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       31.96000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       60.53500            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       31.96000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       31.96000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000      181.60500            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       31.96000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       31.96000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       60.53500            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      121.07000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     0                                                      
REMARK 465     THR A     1                                                      
REMARK 465     THR A     2                                                      
REMARK 465     GLU A     3                                                      
REMARK 465     THR A     4                                                      
REMARK 465     ILE A     5                                                      
REMARK 465     GLN A     6                                                      
REMARK 465     SER A     7                                                      
REMARK 465     ASN A     8                                                      
REMARK 465     ALA A     9                                                      
REMARK 465     HIS A   415                                                      
REMARK 465     HIS A   416                                                      
REMARK 465     HIS A   417                                                      
REMARK 465     HIS A   418                                                      
REMARK 465     HIS A   419                                                      
REMARK 465     HIS A   420                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A  30       66.85   -161.45                                   
REMARK 500    TYR A 154      -54.70   -147.43                                   
REMARK 500    ASP A 251       33.85   -140.92                                   
REMARK 500    THR A 252      -79.02   -121.82                                   
REMARK 500    ASP A 297     -164.32   -123.88                                   
REMARK 500    PRO A 321      104.81    -54.50                                   
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                               K A 440   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  84   O                                                      
REMARK 620 2 GLY A  93   O    84.6                                              
REMARK 620 3 GLU A  94   O   154.9  77.0                                        
REMARK 620 4 TYR A  96   O   100.9  84.5  94.3                                  
REMARK 620 5 HOH A 672   O    83.9  97.5  81.7 174.9                            
REMARK 620 6 HOH A 789   O   101.7 169.4  99.2  86.0  91.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 441  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 357   SG                                                     
REMARK 620 2 HEM A 441   NA  100.7                                              
REMARK 620 3 HEM A 441   NB   92.0  90.9                                        
REMARK 620 4 HEM A 441   NC   90.4 168.8  89.3                                  
REMARK 620 5 HEM A 441   ND  102.2  88.9 165.5  88.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 440                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 441                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAM A 442                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2QBM   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN IN THE CYANIDE BOUND STATE                          
REMARK 900 RELATED ID: 2QBL   RELATED DB: PDB                                   
REMARK 900 A SIMILAR MUTANT PROTEIN (P450CAM G248T) IN THE FERRIC STATE         
REMARK 900 RELATED ID: 2QBO   RELATED DB: PDB                                   
REMARK 900 A SIMILAR MUTANT PROTEIN (P450CAM G248T) IN THE CYANIDE BOUND STATE  
DBREF  2QBN A    0   414  UNP    P00183   CPXA_PSEPU       1    415             
SEQADV 2QBN VAL A  248  UNP  P00183    GLY   249 ENGINEERED MUTATION            
SEQADV 2QBN HIS A  415  UNP  P00183              EXPRESSION TAG                 
SEQADV 2QBN HIS A  416  UNP  P00183              EXPRESSION TAG                 
SEQADV 2QBN HIS A  417  UNP  P00183              EXPRESSION TAG                 
SEQADV 2QBN HIS A  418  UNP  P00183              EXPRESSION TAG                 
SEQADV 2QBN HIS A  419  UNP  P00183              EXPRESSION TAG                 
SEQADV 2QBN HIS A  420  UNP  P00183              EXPRESSION TAG                 
SEQRES   1 A  421  MET THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA          
SEQRES   2 A  421  PRO LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP          
SEQRES   3 A  421  PHE ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL          
SEQRES   4 A  421  GLN GLU ALA TRP ALA VAL LEU GLN GLU SER ASN VAL PRO          
SEQRES   5 A  421  ASP LEU VAL TRP THR ARG CYS ASN GLY GLY HIS TRP ILE          
SEQRES   6 A  421  ALA THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP          
SEQRES   7 A  421  TYR ARG HIS PHE SER SER GLU CYS PRO PHE ILE PRO ARG          
SEQRES   8 A  421  GLU ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET          
SEQRES   9 A  421  ASP PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN          
SEQRES  10 A  421  GLN VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN          
SEQRES  11 A  421  ARG ILE GLN GLU LEU ALA CYS SER LEU ILE GLU SER LEU          
SEQRES  12 A  421  ARG PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA          
SEQRES  13 A  421  GLU PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY          
SEQRES  14 A  421  LEU PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR          
SEQRES  15 A  421  ASP GLN MET THR ARG PRO ASP GLY SER MET THR PHE ALA          
SEQRES  16 A  421  GLU ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE          
SEQRES  17 A  421  ILE GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE          
SEQRES  18 A  421  SER ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE          
SEQRES  19 A  421  THR SER ASP GLU ALA LYS ARG MET CYS GLY LEU LEU LEU          
SEQRES  20 A  421  VAL VAL GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE          
SEQRES  21 A  421  SER MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN          
SEQRES  22 A  421  GLU LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA CYS          
SEQRES  23 A  421  GLU GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY          
SEQRES  24 A  421  ARG ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN          
SEQRES  25 A  421  LEU LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU          
SEQRES  26 A  421  SER GLY LEU ASP GLU ARG GLU ASN ALA CYS PRO MET HIS          
SEQRES  27 A  421  VAL ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE          
SEQRES  28 A  421  GLY HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA          
SEQRES  29 A  421  ARG ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR          
SEQRES  30 A  421  ARG ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE          
SEQRES  31 A  421  GLN HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU          
SEQRES  32 A  421  PRO LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL HIS          
SEQRES  33 A  421  HIS HIS HIS HIS HIS                                          
HET      K  A 440       1                                                       
HET    HEM  A 441      43                                                       
HET    CAM  A 442      11                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CAM CAMPHOR                                                          
HETSYN     HEM HEME                                                             
FORMUL   2    K    K 1+                                                         
FORMUL   3  HEM    C34 H32 FE N4 O4                                             
FORMUL   4  CAM    C10 H16 O                                                    
FORMUL   5  HOH   *384(H2 O)                                                    
HELIX    1   1 PRO A   19  VAL A   23  5                                   5    
HELIX    2   2 ASN A   33  ALA A   36  5                                   4    
HELIX    3   3 GLY A   37  ALA A   43  1                                   7    
HELIX    4   4 VAL A   44  GLU A   47  5                                   4    
HELIX    5   5 ARG A   57  GLY A   61  5                                   5    
HELIX    6   6 ARG A   67  ASP A   77  1                                  11    
HELIX    7   7 PRO A   89  TYR A   96  1                                   8    
HELIX    8   8 GLU A  107  GLY A  120  1                                  14    
HELIX    9   9 GLY A  120  ARG A  143  1                                  24    
HELIX   10  10 PHE A  150  TYR A  154  1                                   5    
HELIX   11  11 GLU A  156  GLY A  168  1                                  13    
HELIX   12  12 PRO A  170  GLU A  172  5                                   3    
HELIX   13  13 ASP A  173  ARG A  186  1                                  14    
HELIX   14  14 THR A  192  LYS A  214  1                                  23    
HELIX   15  15 ASP A  218  ASN A  225  1                                   8    
HELIX   16  16 THR A  234  ASP A  251  1                                  18    
HELIX   17  17 THR A  252  SER A  267  1                                  16    
HELIX   18  18 SER A  267  ARG A  277  1                                  11    
HELIX   19  19 ARG A  280  PHE A  292  1                                  13    
HELIX   20  20 LEU A  324  ASP A  328  5                                   5    
HELIX   21  21 HIS A  352  LEU A  356  5                                   5    
HELIX   22  22 GLY A  359  ILE A  378  1                                  20    
HELIX   23  23 ASP A  407  THR A  411  5                                   5    
SHEET    1   A 5 LEU A  53  THR A  56  0                                        
SHEET    2   A 5 HIS A  62  ALA A  65 -1  O  HIS A  62   N  THR A  56           
SHEET    3   A 5 GLN A 317  LEU A 320  1  O  LEU A 319   N  TRP A  63           
SHEET    4   A 5 ASP A 297  LEU A 301 -1  N  ARG A 299   O  ILE A 318           
SHEET    5   A 5 PHE A  81  SER A  82 -1  N  SER A  82   O  ILE A 300           
SHEET    1   B 3 GLN A 147  ASN A 149  0                                        
SHEET    2   B 3 PRO A 403  VAL A 405 -1  O  LEU A 404   N  CYS A 148           
SHEET    3   B 3 SER A 382  ILE A 383 -1  N  SER A 382   O  VAL A 405           
SHEET    1   C 2 GLN A 227  VAL A 228  0                                        
SHEET    2   C 2 ARG A 231  PRO A 232 -1  O  ARG A 231   N  VAL A 228           
SHEET    1   D 2 TYR A 305  PHE A 307  0                                        
SHEET    2   D 2 VAL A 310  LEU A 312 -1  O  LEU A 312   N  TYR A 305           
SHEET    1   E 2 HIS A 391  LYS A 392  0                                        
SHEET    2   E 2 GLY A 398  VAL A 399 -1  O  GLY A 398   N  LYS A 392           
LINK         O   GLU A  84                 K     K A 440     1555   1555  2.57  
LINK         O   GLY A  93                 K     K A 440     1555   1555  2.83  
LINK         O   GLU A  94                 K     K A 440     1555   1555  2.81  
LINK         O   TYR A  96                 K     K A 440     1555   1555  2.63  
LINK         SG  CYS A 357                FE   HEM A 441     1555   1555  2.42  
LINK         K     K A 440                 O   HOH A 672     1555   1555  2.81  
LINK         K     K A 440                 O   HOH A 789     1555   1555  2.75  
CISPEP   1 ILE A   88    PRO A   89          0         0.10                     
CISPEP   2 ILE A   99    PRO A  100          0         0.52                     
CISPEP   3 PRO A  105    PRO A  106          0         0.31                     
SITE     1 AC1  6 GLU A  84  GLY A  93  GLU A  94  TYR A  96                    
SITE     2 AC1  6 HOH A 672  HOH A 789                                          
SITE     1 AC2 17 PRO A 100  THR A 101  GLN A 108  ARG A 112                    
SITE     2 AC2 17 VAL A 248  THR A 252  ASP A 297  ARG A 299                    
SITE     3 AC2 17 GLN A 322  THR A 349  PHE A 350  GLY A 351                    
SITE     4 AC2 17 HIS A 355  CYS A 357  GLY A 359  HOH A 448                    
SITE     5 AC2 17 HOH A 507                                                     
SITE     1 AC3  6 PHE A  87  TYR A  96  THR A 101  VAL A 248                    
SITE     2 AC3  6 VAL A 295  ASP A 297                                          
CRYST1   63.920   63.920  242.140  90.00  90.00  90.00 P 43 21 2     8          
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      0.015645  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015645  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004130        0.00000