HEADER    OXIDOREDUCTASE                          08-APR-12   4EK1              
TITLE     CRYSTAL STRUCTURE OF ELECTRON-SPIN LABELED CYTOCHROME P450CAM         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CAMPHOR 5-MONOOXYGENASE;                                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: CYTOCHROME P450-CAM, CYTOCHROME 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;                                 
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: PET15B                                    
KEYWDS    ELECTRON SPIN, MTSL, DOUBLE ELECTRON ELECTRON RESONANCE, CAMPHOR,     
KEYWDS   2 CYTOCHROME P450 FOLD, MONOOXIDASE, PUTIDAREDOXIN, OXIDOREDUCTASE     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.-T.LEE,D.B.GOODIN                                                   
REVDAT   3   16-OCT-24 4EK1    1       REMARK SEQADV LINK                       
REVDAT   2   29-AUG-12 4EK1    1       JRNL                                     
REVDAT   1   25-JUL-12 4EK1    0                                                
JRNL        AUTH   S.STOLL,Y.T.LEE,M.ZHANG,R.F.WILSON,R.D.BRITT,D.B.GOODIN      
JRNL        TITL   DOUBLE ELECTRON-ELECTRON RESONANCE SHOWS CYTOCHROME P450CAM  
JRNL        TITL 2 UNDERGOES A CONFORMATIONAL CHANGE IN SOLUTION UPON BINDING   
JRNL        TITL 3 SUBSTRATE.                                                   
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V. 109 12888 2012              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   22826259                                                     
JRNL        DOI    10.1073/PNAS.1207123109                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.97 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.97                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 53689                          
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) : 0.207                           
REMARK   3   R VALUE            (WORKING SET) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2738                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.97                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.02                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3639                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.31                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2420                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 207                          
REMARK   3   BIN FREE R VALUE                    : 0.2680                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6390                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 146                                     
REMARK   3   SOLVENT ATOMS            : 413                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 20.33                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.39                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.95000                                             
REMARK   3    B22 (A**2) : -1.29000                                             
REMARK   3    B33 (A**2) : 1.37000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -1.46000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.202         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.173         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.123         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.387         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.953                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.920                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6786 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9289 ; 1.492 ; 2.017       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   830 ; 5.490 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   324 ;35.241 ;23.951       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1113 ;13.857 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    53 ;15.602 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   991 ; 0.096 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5277 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  4087 ; 0.572 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6636 ; 1.077 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2699 ; 1.910 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2641 ; 3.074 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS U VALUES: REFINED INDIVIDUALLY                            
REMARK   4                                                                      
REMARK   4 4EK1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-APR-12.                  
REMARK 100 THE DEPOSITION ID IS D_1000071715.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 23-MAR-12                          
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               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.12709                            
REMARK 200  MONOCHROMATOR                  : SIDE SCATTERING I-BEAM BENT        
REMARK 200                                   SINGLE CRYSTAL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.15                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54475                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.970                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 47.303                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 3.200                              
REMARK 200  R MERGE                    (I) : 0.10100                            
REMARK 200  R SYM                      (I) : 0.10100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.97                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.41600                            
REMARK 200  R SYM FOR SHELL            (I) : 0.41600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 42.21                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 12% PEG 8000, 0.1M TRIS, PH 7.4, 0.2M    
REMARK 280  KCL, 1MM CAMPHOR, SITTING-DROP VAPOR DIFFUSION, TEMPERATURE 279K    
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       50.76500            
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     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     ASN A    10                                                      
REMARK 465     VAL A   414                                                      
REMARK 465     THR B     1                                                      
REMARK 465     THR B     2                                                      
REMARK 465     GLU B     3                                                      
REMARK 465     THR B     4                                                      
REMARK 465     ILE B     5                                                      
REMARK 465     GLN B     6                                                      
REMARK 465     SER B     7                                                      
REMARK 465     ASN B     8                                                      
REMARK 465     ALA B     9                                                      
REMARK 465     VAL B   414                                                      
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       66.13   -154.35                                   
REMARK 500    ASN A  33       30.73    -95.65                                   
REMARK 500    ASP A  97       18.31   -142.06                                   
REMARK 500    TYR A 154      -55.13   -141.48                                   
REMARK 500    THR A 252      -77.86   -125.93                                   
REMARK 500    LEU A 294       -2.99   -143.91                                   
REMARK 500    ASP A 297     -154.35   -122.61                                   
REMARK 500    ARG A 342      120.54    -30.77                                   
REMARK 500    HIS A 352      143.87   -173.69                                   
REMARK 500    PRO A 385      119.54    -39.67                                   
REMARK 500    ASN B  30       65.08   -154.19                                   
REMARK 500    TYR B 154      -53.18   -131.65                                   
REMARK 500    ASP B 251       34.26   -143.04                                   
REMARK 500    THR B 252      -79.46   -122.63                                   
REMARK 500    LEU B 294       -0.34   -146.42                                   
REMARK 500    ASP B 297     -157.95   -112.99                                   
REMARK 500    LEU B 356      121.81    -30.85                                   
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 503   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  84   O                                                      
REMARK 620 2 GLY A  93   O    84.9                                              
REMARK 620 3 GLU A  94   O   157.3  73.0                                        
REMARK 620 4 TYR A  96   O    90.9  87.8  93.4                                  
REMARK 620 N                    1     2     3                                   
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 357   SG                                                     
REMARK 620 2 HEM A 501   NA   96.4                                              
REMARK 620 3 HEM A 501   NB   84.2  91.8                                        
REMARK 620 4 HEM A 501   NC   87.9 175.6  87.5                                  
REMARK 620 5 HEM A 501   ND  101.1  88.3 174.6  92.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K B 503   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU B  84   O                                                      
REMARK 620 2 GLU B  84   OE1  54.5                                              
REMARK 620 3 GLY B  93   O    88.4 120.8                                        
REMARK 620 4 GLU B  94   O   153.5 118.7  73.8                                  
REMARK 620 5 TYR B  96   O   100.3 141.1  82.5  96.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 357   SG                                                     
REMARK 620 2 HEM B 501   NA   96.2                                              
REMARK 620 3 HEM B 501   NB   85.8  89.1                                        
REMARK 620 4 HEM B 501   NC   88.0 175.6  90.0                                  
REMARK 620 5 HEM B 501   ND   98.7  90.2 175.5  90.4                            
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 HEM A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAM A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 503                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN A 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAM B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 503                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN B 504                 
DBREF  4EK1 A    1   414  UNP    P00183   CPXA_PSEPU       2    415             
DBREF  4EK1 B    1   414  UNP    P00183   CPXA_PSEPU       2    415             
SEQADV 4EK1 CYS A   48  UNP  P00183    SER    49 ENGINEERED MUTATION            
SEQADV 4EK1 SER A   58  UNP  P00183    CYS    59 ENGINEERED MUTATION            
SEQADV 4EK1 SER A   85  UNP  P00183    CYS    86 ENGINEERED MUTATION            
SEQADV 4EK1 SER A  136  UNP  P00183    CYS   137 ENGINEERED MUTATION            
SEQADV 4EK1 CYS A  190  UNP  P00183    SER   191 ENGINEERED MUTATION            
SEQADV 4EK1 SER A  285  UNP  P00183    CYS   286 ENGINEERED MUTATION            
SEQADV 4EK1 ALA A  334  UNP  P00183    CYS   335 ENGINEERED MUTATION            
SEQADV 4EK1 CYS B   48  UNP  P00183    SER    49 ENGINEERED MUTATION            
SEQADV 4EK1 SER B   58  UNP  P00183    CYS    59 ENGINEERED MUTATION            
SEQADV 4EK1 SER B   85  UNP  P00183    CYS    86 ENGINEERED MUTATION            
SEQADV 4EK1 SER B  136  UNP  P00183    CYS   137 ENGINEERED MUTATION            
SEQADV 4EK1 CYS B  190  UNP  P00183    SER   191 ENGINEERED MUTATION            
SEQADV 4EK1 SER B  285  UNP  P00183    CYS   286 ENGINEERED MUTATION            
SEQADV 4EK1 ALA B  334  UNP  P00183    CYS   335 ENGINEERED MUTATION            
SEQRES   1 A  414  THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA PRO          
SEQRES   2 A  414  LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP PHE          
SEQRES   3 A  414  ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL GLN          
SEQRES   4 A  414  GLU ALA TRP ALA VAL LEU GLN GLU CYS ASN VAL PRO ASP          
SEQRES   5 A  414  LEU VAL TRP THR ARG SER ASN GLY GLY HIS TRP ILE ALA          
SEQRES   6 A  414  THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP TYR          
SEQRES   7 A  414  ARG HIS PHE SER SER GLU SER PRO PHE ILE PRO ARG GLU          
SEQRES   8 A  414  ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET ASP          
SEQRES   9 A  414  PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN GLN          
SEQRES  10 A  414  VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN ARG          
SEQRES  11 A  414  ILE GLN GLU LEU ALA SER SER LEU ILE GLU SER LEU ARG          
SEQRES  12 A  414  PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA GLU          
SEQRES  13 A  414  PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY LEU          
SEQRES  14 A  414  PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR ASP          
SEQRES  15 A  414  GLN MET THR ARG PRO ASP GLY CYS MET THR PHE ALA GLU          
SEQRES  16 A  414  ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE ILE          
SEQRES  17 A  414  GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE SER          
SEQRES  18 A  414  ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE THR          
SEQRES  19 A  414  SER ASP GLU ALA LYS ARG MET CYS GLY LEU LEU LEU VAL          
SEQRES  20 A  414  GLY GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE SER          
SEQRES  21 A  414  MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN GLU          
SEQRES  22 A  414  LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA SER GLU          
SEQRES  23 A  414  GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY ARG          
SEQRES  24 A  414  ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN LEU          
SEQRES  25 A  414  LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU SER          
SEQRES  26 A  414  GLY LEU ASP GLU ARG GLU ASN ALA ALA PRO MET HIS VAL          
SEQRES  27 A  414  ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE GLY          
SEQRES  28 A  414  HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA ARG          
SEQRES  29 A  414  ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR ARG          
SEQRES  30 A  414  ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE GLN          
SEQRES  31 A  414  HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU PRO          
SEQRES  32 A  414  LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL                  
SEQRES   1 B  414  THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA PRO          
SEQRES   2 B  414  LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP PHE          
SEQRES   3 B  414  ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL GLN          
SEQRES   4 B  414  GLU ALA TRP ALA VAL LEU GLN GLU CYS ASN VAL PRO ASP          
SEQRES   5 B  414  LEU VAL TRP THR ARG SER ASN GLY GLY HIS TRP ILE ALA          
SEQRES   6 B  414  THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP TYR          
SEQRES   7 B  414  ARG HIS PHE SER SER GLU SER PRO PHE ILE PRO ARG GLU          
SEQRES   8 B  414  ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET ASP          
SEQRES   9 B  414  PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN GLN          
SEQRES  10 B  414  VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN ARG          
SEQRES  11 B  414  ILE GLN GLU LEU ALA SER SER LEU ILE GLU SER LEU ARG          
SEQRES  12 B  414  PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA GLU          
SEQRES  13 B  414  PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY LEU          
SEQRES  14 B  414  PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR ASP          
SEQRES  15 B  414  GLN MET THR ARG PRO ASP GLY CYS MET THR PHE ALA GLU          
SEQRES  16 B  414  ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE ILE          
SEQRES  17 B  414  GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE SER          
SEQRES  18 B  414  ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE THR          
SEQRES  19 B  414  SER ASP GLU ALA LYS ARG MET CYS GLY LEU LEU LEU VAL          
SEQRES  20 B  414  GLY GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE SER          
SEQRES  21 B  414  MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN GLU          
SEQRES  22 B  414  LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA SER GLU          
SEQRES  23 B  414  GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY ARG          
SEQRES  24 B  414  ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN LEU          
SEQRES  25 B  414  LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU SER          
SEQRES  26 B  414  GLY LEU ASP GLU ARG GLU ASN ALA ALA PRO MET HIS VAL          
SEQRES  27 B  414  ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE GLY          
SEQRES  28 B  414  HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA ARG          
SEQRES  29 B  414  ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR ARG          
SEQRES  30 B  414  ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE GLN          
SEQRES  31 B  414  HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU PRO          
SEQRES  32 B  414  LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL                  
HET    HEM  A 501      43                                                       
HET    CAM  A 502      11                                                       
HET      K  A 503       1                                                       
HET    MTN  A 504      12                                                       
HET    MTN  A 505      12                                                       
HET    HEM  B 501      43                                                       
HET    CAM  B 502      11                                                       
HET      K  B 503       1                                                       
HET    MTN  B 504      12                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CAM CAMPHOR                                                          
HETNAM       K POTASSIUM ION                                                    
HETNAM     MTN S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5-DIHYDRO-1H-PYRROL-3-          
HETNAM   2 MTN  YL)METHYL] METHANESULFONOTHIOATE                                
HETSYN     HEM HEME                                                             
HETSYN     MTN MTSL                                                             
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  CAM    2(C10 H16 O)                                                 
FORMUL   5    K    2(K 1+)                                                      
FORMUL   6  MTN    3(C10 H18 N O3 S2)                                           
FORMUL  12  HOH   *413(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  VAL A   44  1                                   8    
HELIX    4   4 LEU A   45  GLU A   47  5                                   3    
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 GLN A  108  GLY A  120  1                                  13    
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  ALA A  167  1                                  12    
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 PRO A  321  SER A  325  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    
HELIX   24  24 PRO B   19  VAL B   23  5                                   5    
HELIX   25  25 ASN B   33  ALA B   36  5                                   4    
HELIX   26  26 GLY B   37  VAL B   44  1                                   8    
HELIX   27  27 LEU B   45  GLU B   47  5                                   3    
HELIX   28  28 ARG B   57  GLY B   61  5                                   5    
HELIX   29  29 ARG B   67  ASP B   77  1                                  11    
HELIX   30  30 PRO B   89  TYR B   96  1                                   8    
HELIX   31  31 GLU B  107  GLY B  120  1                                  14    
HELIX   32  32 GLY B  120  ARG B  143  1                                  24    
HELIX   33  33 PHE B  150  TYR B  154  1                                   5    
HELIX   34  34 GLU B  156  GLY B  168  1                                  13    
HELIX   35  35 PRO B  170  GLU B  172  5                                   3    
HELIX   36  36 ASP B  173  ARG B  186  1                                  14    
HELIX   37  37 THR B  192  LYS B  214  1                                  23    
HELIX   38  38 ASP B  218  ASN B  225  1                                   8    
HELIX   39  39 THR B  234  ASP B  251  1                                  18    
HELIX   40  40 THR B  252  SER B  267  1                                  16    
HELIX   41  41 SER B  267  ARG B  277  1                                  11    
HELIX   42  42 ARG B  280  PHE B  292  1                                  13    
HELIX   43  43 PRO B  321  ASP B  328  5                                   8    
HELIX   44  44 HIS B  352  LEU B  356  5                                   5    
HELIX   45  45 GLY B  359  ILE B  378  1                                  20    
HELIX   46  46 ASP B  407  THR B  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 319  1  O  LEU A 319   N  TRP A  63           
SHEET    4   A 5 GLY A 298  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           
SHEET    1   F 5 LEU B  53  THR B  56  0                                        
SHEET    2   F 5 HIS B  62  ALA B  65 -1  O  ILE B  64   N  VAL B  54           
SHEET    3   F 5 GLN B 317  LEU B 319  1  O  LEU B 319   N  TRP B  63           
SHEET    4   F 5 GLY B 298  LEU B 301 -1  N  ARG B 299   O  ILE B 318           
SHEET    5   F 5 PHE B  81  SER B  82 -1  N  SER B  82   O  ILE B 300           
SHEET    1   G 3 GLN B 147  ASN B 149  0                                        
SHEET    2   G 3 PRO B 403  VAL B 405 -1  O  LEU B 404   N  CYS B 148           
SHEET    3   G 3 SER B 382  ILE B 383 -1  N  SER B 382   O  VAL B 405           
SHEET    1   H 2 GLN B 227  VAL B 228  0                                        
SHEET    2   H 2 ARG B 231  PRO B 232 -1  O  ARG B 231   N  VAL B 228           
SHEET    1   I 2 TYR B 305  PHE B 307  0                                        
SHEET    2   I 2 VAL B 310  LEU B 312 -1  O  VAL B 310   N  PHE B 307           
SHEET    1   J 2 HIS B 391  LYS B 392  0                                        
SHEET    2   J 2 GLY B 398  VAL B 399 -1  O  GLY B 398   N  LYS B 392           
LINK         SG  CYS A  48                 S1  MTN A 504     1555   1555  2.12  
LINK         SG  CYS A 190                 S1  MTN A 505     1555   1555  2.34  
LINK         SG  CYS B  48                 S1  MTN B 504     1555   1555  2.03  
LINK         O   GLU A  84                 K     K A 503     1555   1555  2.65  
LINK         O   GLY A  93                 K     K A 503     1555   1555  2.70  
LINK         O   GLU A  94                 K     K A 503     1555   1555  2.73  
LINK         O   TYR A  96                 K     K A 503     1555   1555  2.66  
LINK         SG  CYS A 357                FE   HEM A 501     1555   1555  2.41  
LINK         O   GLU B  84                 K     K B 503     1555   1555  2.63  
LINK         OE1 GLU B  84                 K     K B 503     1555   1555  3.50  
LINK         O   GLY B  93                 K     K B 503     1555   1555  2.82  
LINK         O   GLU B  94                 K     K B 503     1555   1555  2.87  
LINK         O   TYR B  96                 K     K B 503     1555   1555  2.73  
LINK         SG  CYS B 357                FE   HEM B 501     1555   1555  2.40  
CISPEP   1 ILE A   88    PRO A   89          0         2.00                     
CISPEP   2 ILE A   99    PRO A  100          0         7.51                     
CISPEP   3 PRO A  105    PRO A  106          0        -1.31                     
CISPEP   4 ILE B   88    PRO B   89          0         0.23                     
CISPEP   5 ILE B   99    PRO B  100          0         5.48                     
CISPEP   6 PRO B  105    PRO B  106          0         7.48                     
SITE     1 AC1 20 PRO A 100  THR A 101  ARG A 112  VAL A 119                    
SITE     2 AC1 20 GLY A 248  THR A 252  LEU A 294  VAL A 295                    
SITE     3 AC1 20 ASP A 297  ARG A 299  GLN A 322  THR A 349                    
SITE     4 AC1 20 PHE A 350  GLY A 351  HIS A 355  CYS A 357                    
SITE     5 AC1 20 GLY A 359  ALA A 363  CAM A 502  HOH A 816                    
SITE     1 AC2  6 PHE A  87  TYR A  96  LEU A 244  VAL A 247                    
SITE     2 AC2  6 VAL A 295  HEM A 501                                          
SITE     1 AC3  5 GLU A  84  GLY A  93  GLU A  94  TYR A  96                    
SITE     2 AC3  5 HOH A 739                                                     
SITE     1 AC4  2 CYS A  48  ASN A  49                                          
SITE     1 AC5  7 TYR A 179  CYS A 190  MET A 191  ASN B 116                    
SITE     2 AC5  7 LEU B 356  CYS B 357  GLN B 360                               
SITE     1 AC6 18 THR B 101  GLN B 108  ARG B 112  LEU B 245                    
SITE     2 AC6 18 GLY B 248  THR B 252  ASP B 297  ARG B 299                    
SITE     3 AC6 18 GLN B 322  THR B 349  PHE B 350  GLY B 351                    
SITE     4 AC6 18 HIS B 355  CYS B 357  GLY B 359  CAM B 502                    
SITE     5 AC6 18 HOH B 655  HOH B 797                                          
SITE     1 AC7  5 PHE B  87  TYR B  96  LEU B 244  ASP B 297                    
SITE     2 AC7  5 HEM B 501                                                     
SITE     1 AC8  4 GLU B  84  GLY B  93  GLU B  94  TYR B  96                    
SITE     1 AC9  2 CYS B  48  ASN B  49                                          
CRYST1   56.020  101.530   72.980  90.00 107.39  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      0.017851  0.000000  0.005591        0.00000                         
SCALE2      0.000000  0.009849  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014359        0.00000