HEADER    ISOMERASE                               29-OCT-07   3B6H              
TITLE     CRYSTAL STRUCTURE OF HUMAN PROSTACYCLIN SYNTHASE IN COMPLEX WITH      
TITLE    2 INHIBITOR MINOXIDIL                                                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROSTACYCLIN SYNTHASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 18-500;                                       
COMPND   5 SYNONYM: CYTOCHROME P450 8A1, PROSTAGLANDIN I2 SYNTHASE;             
COMPND   6 EC: 5.3.99.4;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PTGIS, CYP8, CYP8A1;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3);                                
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET                                       
KEYWDS    PROSTACYCLIN SYNTHASE, ENZYME-INHIBITOR COMPLEX, CYP8A1, CYTOCHROME   
KEYWDS   2 P450, ENDOPLASMIC RETICULUM, FATTY ACID BIOSYNTHESIS, HEME, IRON,    
KEYWDS   3 ISOMERASE, LIPID SYNTHESIS, MEMBRANE, METAL-BINDING, POLYMORPHISM,   
KEYWDS   4 PROSTAGLANDIN BIOSYNTHESIS, TRANSMEMBRANE                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.-C.LI,C.-W.CHIANG,H.-C.YEH,P.-Y.HSU,F.G.WHITBY,L.-H.WANG,N.-L.CHAN  
REVDAT   5   01-NOV-23 3B6H    1       HETSYN                                   
REVDAT   4   29-JUL-20 3B6H    1       COMPND REMARK SEQADV HETNAM              
REVDAT   4 2                   1       LINK   SITE                              
REVDAT   3   24-FEB-09 3B6H    1       VERSN                                    
REVDAT   2   12-FEB-08 3B6H    1       JRNL                                     
REVDAT   1   20-NOV-07 3B6H    0                                                
JRNL        AUTH   Y.-C.LI,C.-W.CHIANG,H.-C.YEH,P.-Y.HSU,F.G.WHITBY,L.-H.WANG,  
JRNL        AUTH 2 N.-L.CHAN                                                    
JRNL        TITL   STRUCTURES OF PROSTACYCLIN SYNTHASE AND ITS COMPLEXES WITH   
JRNL        TITL 2 SUBSTRATE ANALOG AND INHIBITOR REVEAL A LIGAND-SPECIFIC HEME 
JRNL        TITL 3 CONFORMATION CHANGE                                          
JRNL        REF    J.BIOL.CHEM.                  V. 283  2917 2008              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   18032380                                                     
JRNL        DOI    10.1074/JBC.M707470200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.62 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 1.62                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.09                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 126835                         
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) : 0.204                           
REMARK   3   R VALUE            (WORKING SET) : 0.203                           
REMARK   3   FREE R VALUE                     : 0.228                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 6770                            
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) : 1.62                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.66                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 9114                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.50                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2460                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 499                          
REMARK   3   BIN FREE R VALUE                    : 0.3000                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 7611                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 156                                     
REMARK   3   SOLVENT ATOMS            : 765                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.34                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.102         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.098         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.061         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.707         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.937                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  8020 ; 0.007 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 10900 ; 1.046 ; 2.009       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   940 ; 5.120 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   377 ;30.743 ;22.414       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1332 ;14.306 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    75 ;14.624 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1157 ; 0.070 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  6133 ; 0.003 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  3789 ; 0.193 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  5421 ; 0.304 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   690 ; 0.102 ; 0.200       
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):    73 ; 0.152 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    52 ; 0.108 ; 0.200       
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):  4831 ; 0.599 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  7571 ; 1.012 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3639 ; 1.434 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  3325 ; 2.201 ; 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   : 1.20                                          
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                                                           
REMARK   4                                                                      
REMARK   4 3B6H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-NOV-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000045138.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-SEP-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSRRC                              
REMARK 200  BEAMLINE                       : BL13C1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97622                            
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 133648                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.620                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.62                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.32300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
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: PDB ENTRY 2IAG                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.70                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION OF NATIVE HUMAN          
REMARK 280  PROSTACYCLIN SYNTHASE (HPGIS). THE NATIVE RECOMBINANT PGIS (25      
REMARK 280  MG/ML IN THE GEL FILTRATION BUFFER CONTAINING 20 MM TRIS, PH 8.0    
REMARK 280  AND 150 MM NACL) WAS FOUND TO CRYSTALLIZE SPONTANEOUSLY INTO        
REMARK 280  NEEDLE CLUSTERS IN THE EPPENDORF TUBE WHEN STORED AT 4 C FOR        
REMARK 280  ABOUT A WEEK. A COMBINATION OF MICROSEEDING TECHNIQUE AND THE       
REMARK 280  HANGING-DROP VAPOR-DIFFUSION METHOD WAS THEN USED TO IMPROVE        
REMARK 280  CRYSTAL QUALITY. SPECIFICALLY, SEED STOCK WAS PREPARED BY           
REMARK 280  CRUSHING THESE INITIAL PGIS NEEDLE CLUSTERS WITH THE SEED BEAD      
REMARK 280  KIT (HAMPTON RESEARCH). FOLLOWING FOUR 10-FOLD SERIAL DILUTIONS     
REMARK 280  OF THE SEED STOCK USING THE GEL FILTRATION BUFFER, 1 MICROLITER     
REMARK 280  OF DILUTED SEEDS WAS ADDED INTO A 10 MICROLITER DROP OF FRESHLY     
REMARK 280  CONCENTRATED PGIS SAMPLE, AND EQUILIBRATED AT 4 C AGAINST 450       
REMARK 280  MICROLITER OF THE GEL FILTRATION BUFFER. CRYSTALLIZATION OF         
REMARK 280  HPGIS-MINOXIDIL COMPLEX: THE INHIBITOR-ENZYME COMPLEX WAS           
REMARK 280  PREPARED BY ADDING MINOXIDIL (FINAL CONCENTRATION 0.1 MM) TO A      
REMARK 280  20 MG/ML HPGIS STOCK SOLUTION. CRYSTALS OF THE COMPLEX WERE THEN    
REMARK 280  OBTAINED BY CO-CRYSTALLIZATION, WITH THE TECHNIQUE DESCRIBED        
REMARK 280  ABOVE USING LIGAND-FREE HPGIS MICROCRYSTALS AS SEEDS., VAPOR        
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277K                           
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       53.03600            
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     MET A    11                                                      
REMARK 465     ALA A    12                                                      
REMARK 465     LYS A    13                                                      
REMARK 465     LYS A    14                                                      
REMARK 465     THR A    15                                                      
REMARK 465     SER A    16                                                      
REMARK 465     SER A    17                                                      
REMARK 465     LEU A    18                                                      
REMARK 465     LEU A    19                                                      
REMARK 465     SER A    20                                                      
REMARK 465     ARG A    21                                                      
REMARK 465     ARG A    22                                                      
REMARK 465     ALA A   320                                                      
REMARK 465     GLU A   321                                                      
REMARK 465     GLN A   322                                                      
REMARK 465     PRO A   323                                                      
REMARK 465     VAL A   324                                                      
REMARK 465     SER A   325                                                      
REMARK 465     GLN A   326                                                      
REMARK 465     THR A   327                                                      
REMARK 465     THR A   328                                                      
REMARK 465     THR A   329                                                      
REMARK 465     HIS A   502                                                      
REMARK 465     HIS A   503                                                      
REMARK 465     HIS A   504                                                      
REMARK 465     HIS A   505                                                      
REMARK 465     HIS A   506                                                      
REMARK 465     HIS A   507                                                      
REMARK 465     HIS A   508                                                      
REMARK 465     MET B    11                                                      
REMARK 465     ALA B    12                                                      
REMARK 465     LYS B    13                                                      
REMARK 465     LYS B    14                                                      
REMARK 465     THR B    15                                                      
REMARK 465     SER B    16                                                      
REMARK 465     SER B    17                                                      
REMARK 465     LEU B    18                                                      
REMARK 465     LEU B    19                                                      
REMARK 465     SER B    20                                                      
REMARK 465     ARG B    21                                                      
REMARK 465     ARG B    22                                                      
REMARK 465     ALA B   320                                                      
REMARK 465     GLU B   321                                                      
REMARK 465     GLN B   322                                                      
REMARK 465     PRO B   323                                                      
REMARK 465     VAL B   324                                                      
REMARK 465     SER B   325                                                      
REMARK 465     GLN B   326                                                      
REMARK 465     THR B   327                                                      
REMARK 465     THR B   328                                                      
REMARK 465     HIS B   502                                                      
REMARK 465     HIS B   503                                                      
REMARK 465     HIS B   504                                                      
REMARK 465     HIS B   505                                                      
REMARK 465     HIS B   506                                                      
REMARK 465     HIS B   507                                                      
REMARK 465     HIS B   508                                                      
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    TRP A  39      -57.08     68.13                                   
REMARK 500    ASP A  49       84.31   -163.62                                   
REMARK 500    HIS A 114       36.27     39.94                                   
REMARK 500    TRP B  39      -59.70     69.16                                   
REMARK 500    ASP B  49       87.26   -160.82                                   
REMARK 500    HIS B 130     -131.81     57.90                                   
REMARK 500    ASN B 439       79.07   -109.97                                   
REMARK 500    ASN B 439       79.75   -109.97                                   
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 600  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 441   SG                                                     
REMARK 620 2 HEM A 600   NA   93.8                                              
REMARK 620 3 HEM A 600   NB   87.1  89.6                                        
REMARK 620 4 HEM A 600   NC   88.1 178.1  90.5                                  
REMARK 620 5 HEM A 600   ND   95.0  88.9 177.4  90.9                            
REMARK 620 6 MXD A 551   OAN 169.2  94.1  85.6  84.0  92.5                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 600  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 441   SG                                                     
REMARK 620 2 HEM B 600   NA   95.5                                              
REMARK 620 3 HEM B 600   NB   89.0  89.3                                        
REMARK 620 4 HEM B 600   NC   87.1 177.2  89.8                                  
REMARK 620 5 HEM B 600   ND   95.1  89.9 175.9  90.9                            
REMARK 620 6 MXD B 551   OAN 169.0  93.3  84.4  84.0  91.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2IAG   RELATED DB: PDB                                   
REMARK 900 THE LIGAND-FREE STRUCTURE OF THE SAME PROTEIN                        
REMARK 900 RELATED ID: 3B98   RELATED DB: PDB                                   
REMARK 900 THE LIGAND-FREE FORM OF THE SAME PROTEIN FROM ZEBRAFISH              
REMARK 900 RELATED ID: 3B99   RELATED DB: PDB                                   
REMARK 900 THE LIGAND FORM OF THE SAME PROTEIN FROM ZEBRAFISH                   
DBREF  3B6H A   18   500  UNP    Q16647   PTGIS_HUMAN     18    500             
DBREF  3B6H B   18   500  UNP    Q16647   PTGIS_HUMAN     18    500             
SEQADV 3B6H MET A   11  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H ALA A   12  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H LYS A   13  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H LYS A   14  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H THR A   15  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H SER A   16  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H SER A   17  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  501  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  502  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  503  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  504  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  505  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  506  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  507  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS A  508  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H MET B   11  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H ALA B   12  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H LYS B   13  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H LYS B   14  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H THR B   15  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H SER B   16  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H SER B   17  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  501  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  502  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  503  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  504  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  505  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  506  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  507  UNP  Q16647              EXPRESSION TAG                 
SEQADV 3B6H HIS B  508  UNP  Q16647              EXPRESSION TAG                 
SEQRES   1 A  498  MET ALA LYS LYS THR SER SER LEU LEU SER ARG ARG ARG          
SEQRES   2 A  498  THR ARG ARG PRO GLY GLU PRO PRO LEU ASP LEU GLY SER          
SEQRES   3 A  498  ILE PRO TRP LEU GLY TYR ALA LEU ASP PHE GLY LYS ASP          
SEQRES   4 A  498  ALA ALA SER PHE LEU THR ARG MET LYS GLU LYS HIS GLY          
SEQRES   5 A  498  ASP ILE PHE THR ILE LEU VAL GLY GLY ARG TYR VAL THR          
SEQRES   6 A  498  VAL LEU LEU ASP PRO HIS SER TYR ASP ALA VAL VAL TRP          
SEQRES   7 A  498  GLU PRO ARG THR ARG LEU ASP PHE HIS ALA TYR ALA ILE          
SEQRES   8 A  498  PHE LEU MET GLU ARG ILE PHE ASP VAL GLN LEU PRO HIS          
SEQRES   9 A  498  TYR SER PRO SER ASP GLU LYS ALA ARG MET LYS LEU THR          
SEQRES  10 A  498  LEU LEU HIS ARG GLU LEU GLN ALA LEU THR GLU ALA MET          
SEQRES  11 A  498  TYR THR ASN LEU HIS ALA VAL LEU LEU GLY ASP ALA THR          
SEQRES  12 A  498  GLU ALA GLY SER GLY TRP HIS GLU MET GLY LEU LEU ASP          
SEQRES  13 A  498  PHE SER TYR SER PHE LEU LEU ARG ALA GLY TYR LEU THR          
SEQRES  14 A  498  LEU TYR GLY ILE GLU ALA LEU PRO ARG THR HIS GLU SER          
SEQRES  15 A  498  GLN ALA GLN ASP ARG VAL HIS SER ALA ASP VAL PHE HIS          
SEQRES  16 A  498  THR PHE ARG GLN LEU ASP ARG LEU LEU PRO LYS LEU ALA          
SEQRES  17 A  498  ARG GLY SER LEU SER VAL GLY ASP LYS ASP HIS MET CYS          
SEQRES  18 A  498  SER VAL LYS SER ARG LEU TRP LYS LEU LEU SER PRO ALA          
SEQRES  19 A  498  ARG LEU ALA ARG ARG ALA HIS ARG SER LYS TRP LEU GLU          
SEQRES  20 A  498  SER TYR LEU LEU HIS LEU GLU GLU MET GLY VAL SER GLU          
SEQRES  21 A  498  GLU MET GLN ALA ARG ALA LEU VAL LEU GLN LEU TRP ALA          
SEQRES  22 A  498  THR GLN GLY ASN MET GLY PRO ALA ALA PHE TRP LEU LEU          
SEQRES  23 A  498  LEU PHE LEU LEU LYS ASN PRO GLU ALA LEU ALA ALA VAL          
SEQRES  24 A  498  ARG GLY GLU LEU GLU SER ILE LEU TRP GLN ALA GLU GLN          
SEQRES  25 A  498  PRO VAL SER GLN THR THR THR LEU PRO GLN LYS VAL LEU          
SEQRES  26 A  498  ASP SER THR PRO VAL LEU ASP SER VAL LEU SER GLU SER          
SEQRES  27 A  498  LEU ARG LEU THR ALA ALA PRO PHE ILE THR ARG GLU VAL          
SEQRES  28 A  498  VAL VAL ASP LEU ALA MET PRO MET ALA ASP GLY ARG GLU          
SEQRES  29 A  498  PHE ASN LEU ARG ARG GLY ASP ARG LEU LEU LEU PHE PRO          
SEQRES  30 A  498  PHE LEU SER PRO GLN ARG ASP PRO GLU ILE TYR THR ASP          
SEQRES  31 A  498  PRO GLU VAL PHE LYS TYR ASN ARG PHE LEU ASN PRO ASP          
SEQRES  32 A  498  GLY SER GLU LYS LYS ASP PHE TYR LYS ASP GLY LYS ARG          
SEQRES  33 A  498  LEU LYS ASN TYR ASN MET PRO TRP GLY ALA GLY HIS ASN          
SEQRES  34 A  498  HIS CYS LEU GLY ARG SER TYR ALA VAL ASN SER ILE LYS          
SEQRES  35 A  498  GLN PHE VAL PHE LEU VAL LEU VAL HIS LEU ASP LEU GLU          
SEQRES  36 A  498  LEU ILE ASN ALA ASP VAL GLU ILE PRO GLU PHE ASP LEU          
SEQRES  37 A  498  SER ARG TYR GLY PHE GLY LEU MET GLN PRO GLU HIS ASP          
SEQRES  38 A  498  VAL PRO VAL ARG TYR ARG ILE ARG PRO HIS HIS HIS HIS          
SEQRES  39 A  498  HIS HIS HIS HIS                                              
SEQRES   1 B  498  MET ALA LYS LYS THR SER SER LEU LEU SER ARG ARG ARG          
SEQRES   2 B  498  THR ARG ARG PRO GLY GLU PRO PRO LEU ASP LEU GLY SER          
SEQRES   3 B  498  ILE PRO TRP LEU GLY TYR ALA LEU ASP PHE GLY LYS ASP          
SEQRES   4 B  498  ALA ALA SER PHE LEU THR ARG MET LYS GLU LYS HIS GLY          
SEQRES   5 B  498  ASP ILE PHE THR ILE LEU VAL GLY GLY ARG TYR VAL THR          
SEQRES   6 B  498  VAL LEU LEU ASP PRO HIS SER TYR ASP ALA VAL VAL TRP          
SEQRES   7 B  498  GLU PRO ARG THR ARG LEU ASP PHE HIS ALA TYR ALA ILE          
SEQRES   8 B  498  PHE LEU MET GLU ARG ILE PHE ASP VAL GLN LEU PRO HIS          
SEQRES   9 B  498  TYR SER PRO SER ASP GLU LYS ALA ARG MET LYS LEU THR          
SEQRES  10 B  498  LEU LEU HIS ARG GLU LEU GLN ALA LEU THR GLU ALA MET          
SEQRES  11 B  498  TYR THR ASN LEU HIS ALA VAL LEU LEU GLY ASP ALA THR          
SEQRES  12 B  498  GLU ALA GLY SER GLY TRP HIS GLU MET GLY LEU LEU ASP          
SEQRES  13 B  498  PHE SER TYR SER PHE LEU LEU ARG ALA GLY TYR LEU THR          
SEQRES  14 B  498  LEU TYR GLY ILE GLU ALA LEU PRO ARG THR HIS GLU SER          
SEQRES  15 B  498  GLN ALA GLN ASP ARG VAL HIS SER ALA ASP VAL PHE HIS          
SEQRES  16 B  498  THR PHE ARG GLN LEU ASP ARG LEU LEU PRO LYS LEU ALA          
SEQRES  17 B  498  ARG GLY SER LEU SER VAL GLY ASP LYS ASP HIS MET CYS          
SEQRES  18 B  498  SER VAL LYS SER ARG LEU TRP LYS LEU LEU SER PRO ALA          
SEQRES  19 B  498  ARG LEU ALA ARG ARG ALA HIS ARG SER LYS TRP LEU GLU          
SEQRES  20 B  498  SER TYR LEU LEU HIS LEU GLU GLU MET GLY VAL SER GLU          
SEQRES  21 B  498  GLU MET GLN ALA ARG ALA LEU VAL LEU GLN LEU TRP ALA          
SEQRES  22 B  498  THR GLN GLY ASN MET GLY PRO ALA ALA PHE TRP LEU LEU          
SEQRES  23 B  498  LEU PHE LEU LEU LYS ASN PRO GLU ALA LEU ALA ALA VAL          
SEQRES  24 B  498  ARG GLY GLU LEU GLU SER ILE LEU TRP GLN ALA GLU GLN          
SEQRES  25 B  498  PRO VAL SER GLN THR THR THR LEU PRO GLN LYS VAL LEU          
SEQRES  26 B  498  ASP SER THR PRO VAL LEU ASP SER VAL LEU SER GLU SER          
SEQRES  27 B  498  LEU ARG LEU THR ALA ALA PRO PHE ILE THR ARG GLU VAL          
SEQRES  28 B  498  VAL VAL ASP LEU ALA MET PRO MET ALA ASP GLY ARG GLU          
SEQRES  29 B  498  PHE ASN LEU ARG ARG GLY ASP ARG LEU LEU LEU PHE PRO          
SEQRES  30 B  498  PHE LEU SER PRO GLN ARG ASP PRO GLU ILE TYR THR ASP          
SEQRES  31 B  498  PRO GLU VAL PHE LYS TYR ASN ARG PHE LEU ASN PRO ASP          
SEQRES  32 B  498  GLY SER GLU LYS LYS ASP PHE TYR LYS ASP GLY LYS ARG          
SEQRES  33 B  498  LEU LYS ASN TYR ASN MET PRO TRP GLY ALA GLY HIS ASN          
SEQRES  34 B  498  HIS CYS LEU GLY ARG SER TYR ALA VAL ASN SER ILE LYS          
SEQRES  35 B  498  GLN PHE VAL PHE LEU VAL LEU VAL HIS LEU ASP LEU GLU          
SEQRES  36 B  498  LEU ILE ASN ALA ASP VAL GLU ILE PRO GLU PHE ASP LEU          
SEQRES  37 B  498  SER ARG TYR GLY PHE GLY LEU MET GLN PRO GLU HIS ASP          
SEQRES  38 B  498  VAL PRO VAL ARG TYR ARG ILE ARG PRO HIS HIS HIS HIS          
SEQRES  39 B  498  HIS HIS HIS HIS                                              
HET    BOG  A 701      20                                                       
HET    MXD  A 551      15                                                       
HET    HEM  A 600      43                                                       
HET    BOG  B 702      20                                                       
HET    MXD  B 551      15                                                       
HET    HEM  B 600      43                                                       
HETNAM     BOG OCTYL BETA-D-GLUCOPYRANOSIDE                                     
HETNAM     MXD 6-PIPERIDIN-1-YLPYRIMIDINE-2,4-DIAMINE 3-OXIDE                   
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETSYN     BOG BETA-OCTYLGLUCOSIDE; OCTYL BETA-D-GLUCOSIDE; OCTYL D-            
HETSYN   2 BOG  GLUCOSIDE; OCTYL GLUCOSIDE                                      
HETSYN     MXD MINOXIDIL                                                        
HETSYN     HEM HEME                                                             
FORMUL   3  BOG    2(C14 H28 O6)                                                
FORMUL   4  MXD    2(C9 H15 N5 O)                                               
FORMUL   5  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   9  HOH   *765(H2 O)                                                    
HELIX    1   1 TYR A   42  ASP A   49  1                                   8    
HELIX    2   2 ASP A   49  GLY A   62  1                                  14    
HELIX    3   3 ASP A   79  HIS A   81  5                                   3    
HELIX    4   4 SER A   82  TRP A   88  1                                   7    
HELIX    5   5 HIS A   97  ILE A  107  1                                  11    
HELIX    6   6 SER A  116  LEU A  126  1                                  11    
HELIX    7   7 LEU A  129  GLY A  156  1                                  28    
HELIX    8   8 LEU A  164  GLY A  182  1                                  19    
HELIX    9   9 THR A  189  GLY A  220  1                                  32    
HELIX   10  10 SER A  223  LEU A  241  1                                  19    
HELIX   11  11 SER A  242  ALA A  247  1                                   6    
HELIX   12  12 SER A  253  MET A  266  1                                  14    
HELIX   13  13 SER A  269  GLY A  286  1                                  18    
HELIX   14  14 ASN A  287  LYS A  301  1                                  15    
HELIX   15  15 ASN A  302  GLN A  319  1                                  18    
HELIX   16  16 GLN A  332  SER A  337  1                                   6    
HELIX   17  17 THR A  338  ALA A  353  1                                  16    
HELIX   18  18 GLY A  443  HIS A  461  1                                  19    
HELIX   19  19 ASP A  477  TYR A  481  5                                   5    
HELIX   20  20 TYR B   42  ASP B   49  1                                   8    
HELIX   21  21 ASP B   49  GLY B   62  1                                  14    
HELIX   22  22 ASP B   79  HIS B   81  5                                   3    
HELIX   23  23 SER B   82  GLU B   89  1                                   8    
HELIX   24  24 HIS B   97  ILE B  107  1                                  11    
HELIX   25  25 SER B  116  THR B  127  1                                  12    
HELIX   26  26 LEU B  129  GLY B  156  1                                  28    
HELIX   27  27 LEU B  164  GLY B  182  1                                  19    
HELIX   28  28 THR B  189  GLY B  220  1                                  32    
HELIX   29  29 SER B  223  LEU B  241  1                                  19    
HELIX   30  30 SER B  242  ARG B  248  1                                   7    
HELIX   31  31 SER B  253  MET B  266  1                                  14    
HELIX   32  32 SER B  269  GLY B  286  1                                  18    
HELIX   33  33 ASN B  287  ASN B  302  1                                  16    
HELIX   34  34 ASN B  302  TRP B  318  1                                  17    
HELIX   35  35 PRO B  331  ASP B  336  1                                   6    
HELIX   36  36 THR B  338  ALA B  353  1                                  16    
HELIX   37  37 GLY B  443  HIS B  461  1                                  19    
HELIX   38  38 ASP B  477  TYR B  481  5                                   5    
SHEET    1   A 6 LEU A  32  ASP A  33  0                                        
SHEET    2   A 6 ILE A  64  VAL A  69  1  O  THR A  66   N  ASP A  33           
SHEET    3   A 6 ARG A  72  LEU A  77 -1  O  VAL A  76   N  PHE A  65           
SHEET    4   A 6 ARG A 382  LEU A 385  1  O  LEU A 384   N  THR A  75           
SHEET    5   A 6 ILE A 357  VAL A 361 -1  N  ARG A 359   O  LEU A 383           
SHEET    6   A 6 LEU A  94  ASP A  95 -1  N  ASP A  95   O  GLU A 360           
SHEET    1   B 3 HIS A 160  GLY A 163  0                                        
SHEET    2   B 3 PRO A 493  ILE A 498 -1  O  VAL A 494   N  MET A 162           
SHEET    3   B 3 LEU A 462  LEU A 466 -1  N  GLU A 465   O  ARG A 495           
SHEET    1   C 2 LEU A 365  PRO A 368  0                                        
SHEET    2   C 2 GLU A 374  LEU A 377 -1  O  PHE A 375   N  MET A 367           
SHEET    1   D 2 TYR A 421  LYS A 422  0                                        
SHEET    2   D 2 LYS A 425  ARG A 426 -1  O  LYS A 425   N  LYS A 422           
SHEET    1   E 2 GLY A 435  ALA A 436  0                                        
SHEET    2   E 2 ASN A 439  HIS A 440 -1  O  ASN A 439   N  ALA A 436           
SHEET    1   F 6 LEU B  32  ASP B  33  0                                        
SHEET    2   F 6 ILE B  64  VAL B  69  1  O  THR B  66   N  ASP B  33           
SHEET    3   F 6 ARG B  72  LEU B  77 -1  O  VAL B  76   N  PHE B  65           
SHEET    4   F 6 ARG B 382  LEU B 385  1  O  ARG B 382   N  THR B  75           
SHEET    5   F 6 ILE B 357  VAL B 361 -1  N  ILE B 357   O  LEU B 385           
SHEET    6   F 6 LEU B  94  ASP B  95 -1  N  ASP B  95   O  GLU B 360           
SHEET    1   G 3 HIS B 160  GLY B 163  0                                        
SHEET    2   G 3 PRO B 493  ILE B 498 -1  O  VAL B 494   N  MET B 162           
SHEET    3   G 3 LEU B 462  LEU B 466 -1  N  ASP B 463   O  ARG B 497           
SHEET    1   H 2 LEU B 365  PRO B 368  0                                        
SHEET    2   H 2 GLU B 374  LEU B 377 -1  O  PHE B 375   N  MET B 367           
SHEET    1   I 2 TYR B 421  LYS B 422  0                                        
SHEET    2   I 2 LYS B 425  ARG B 426 -1  O  LYS B 425   N  LYS B 422           
SHEET    1   J 2 GLY B 435  ALA B 436  0                                        
SHEET    2   J 2 ASN B 439  HIS B 440 -1  O  ASN B 439   N  ALA B 436           
LINK         SG  CYS A 441                FE   HEM A 600     1555   1555  2.42  
LINK         OAN MXD A 551                FE   HEM A 600     1555   1555  2.17  
LINK         SG  CYS B 441                FE   HEM B 600     1555   1555  2.36  
LINK         OAN MXD B 551                FE   HEM B 600     1555   1555  2.19  
CISPEP   1 LEU A  186    PRO A  187          0         5.61                     
CISPEP   2 SER A  390    PRO A  391          0        11.27                     
CISPEP   3 LEU B  186    PRO B  187          0         6.79                     
CISPEP   4 SER B  390    PRO B  391          0        10.20                     
CRYST1   68.762  106.072   73.901  90.00  91.81  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      0.014543  0.000000  0.000460        0.00000                         
SCALE2      0.000000  0.009428  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013538        0.00000