HEADER    OXIDOREDUCTASE                          21-SEP-99   1D1Y              
TITLE     BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 1,
TITLE    2 3-PBITU (H4B FREE)                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN;      
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 1.14.13.39;                                                      
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 CELL: ENDOTHELIAL CELLS;                                             
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA-BETA FOLD, OXIDOREDUCTASE                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.S.RAMAN,H.LI,P.MARTASEK,G.J.SOUTHAN,B.S.S.MASTERS,T.L.POULOS        
REVDAT   6   07-FEB-24 1D1Y    1       REMARK SEQADV LINK                       
REVDAT   5   13-JUL-11 1D1Y    1       VERSN                                    
REVDAT   4   20-OCT-10 1D1Y    1       REMARK                                   
REVDAT   3   24-FEB-09 1D1Y    1       VERSN                                    
REVDAT   2   01-APR-03 1D1Y    1       JRNL                                     
REVDAT   1   25-JUL-01 1D1Y    0                                                
JRNL        AUTH   C.S.RAMAN,H.LI,P.MARTASEK,B.R.BABU,O.W.GRIFFITH,B.S.MASTERS, 
JRNL        AUTH 2 T.L.POULOS                                                   
JRNL        TITL   IMPLICATIONS FOR ISOFORM-SELECTIVE INHIBITOR DESIGN DERIVED  
JRNL        TITL 2 FROM THE BINDING MODE OF BULKY ISOTHIOUREAS TO THE HEME      
JRNL        TITL 3 DOMAIN OF ENDOTHELIAL NITRIC-OXIDE SYNTHASE.                 
JRNL        REF    J.BIOL.CHEM.                  V. 276 26486 2001              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11331290                                                     
JRNL        DOI    10.1074/JBC.M102255200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.S.RAMAN,H.LI,P.MARTASEK,V.KRAL,B.S.MASTERS,T.L.POULOS      
REMARK   1  TITL   CRYSTAL STRUCTURE OF CONSTITUTIVE ENDOTHELIAL NITRIC OXIDE   
REMARK   1  TITL 2 SYNTHASE: A PARADIGM FOR PTERIN FUNCTION INVOLVING A NOVEL   
REMARK   1  TITL 3 METAL CENTER                                                 
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  95   939 1998              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   1  DOI    10.1016/S0092-8674(00)81718-3                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   B.R.CRANE,A.S.ARVAI,D.K.GHOSH,C.WU,E.D.GETZOFF,D.J.STUEHR,   
REMARK   1  AUTH 2 J.A.TAINER                                                   
REMARK   1  TITL   STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DIMER WITH      
REMARK   1  TITL 2 PTERIN AND SUBSTRATE                                         
REMARK   1  REF    SCIENCE                       V. 279  2121 1998              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  DOI    10.1126/SCIENCE.279.5359.2121                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.32                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2338332.770                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 76.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 38471                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.223                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1889                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.006                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.28                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 53.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2517                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.4460                       
REMARK   3   BIN FREE R VALUE                    : 0.4200                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 119                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.038                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6593                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 171                                     
REMARK   3   SOLVENT ATOMS            : 322                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 32.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 50.40                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 26.25000                                             
REMARK   3    B22 (A**2) : -13.62000                                            
REMARK   3    B33 (A**2) : -12.63000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.71                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.41                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.73                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.060                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 37.35                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : HETERO.PAR                                     
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : HETERO.TOP                                     
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  B FACTORS IN THIS STRUCTURE ARE HIGHER THAN NORMAL.                 
REMARK   3  RESIDUES 39 TO 66 OF MOLECULE A AND RESIDUES 39 TO 68 IN            
REMARK   3  MOLECULE B ARE NOT VISIBLE IN THE ELECTRON DENSITY.                 
REMARK   3  RESIDUES 108-120 ARE DISORDERED, BUT THE TENTATIVE MODEL            
REMARK   3  WAS INCLUDED IN THE REFINEMENT.                                     
REMARK   4                                                                      
REMARK   4 1D1Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-SEP-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000009723.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-JUN-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 6.5                                
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) : 1.08                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 49094                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.6                               
REMARK 200  DATA REDUNDANCY                : 2.900                              
REMARK 200  R MERGE                    (I) : 0.07400                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.24                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.77000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, CACODYLATE, MAGNESIUM          
REMARK 280  ACETATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 280K    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-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       29.33000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.22000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.12500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       78.22000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.33000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.12500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 12670 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 32450 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -128.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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     SER A    39                                                      
REMARK 465     ARG A    40                                                      
REMARK 465     ALA A    41                                                      
REMARK 465     PRO A    42                                                      
REMARK 465     ALA A    43                                                      
REMARK 465     PRO A    44                                                      
REMARK 465     ALA A    45                                                      
REMARK 465     THR A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     HIS A    48                                                      
REMARK 465     ALA A    49                                                      
REMARK 465     PRO A    50                                                      
REMARK 465     ASP A    51                                                      
REMARK 465     HIS A    52                                                      
REMARK 465     SER A    53                                                      
REMARK 465     PRO A    54                                                      
REMARK 465     ALA A    55                                                      
REMARK 465     PRO A    56                                                      
REMARK 465     ASN A    57                                                      
REMARK 465     SER A    58                                                      
REMARK 465     PRO A    59                                                      
REMARK 465     THR A    60                                                      
REMARK 465     LEU A    61                                                      
REMARK 465     THR A    62                                                      
REMARK 465     ARG A    63                                                      
REMARK 465     PRO A    64                                                      
REMARK 465     PRO A    65                                                      
REMARK 465     GLU A    66                                                      
REMARK 465     SER B    39                                                      
REMARK 465     ARG B    40                                                      
REMARK 465     ALA B    41                                                      
REMARK 465     PRO B    42                                                      
REMARK 465     ALA B    43                                                      
REMARK 465     PRO B    44                                                      
REMARK 465     ALA B    45                                                      
REMARK 465     THR B    46                                                      
REMARK 465     PRO B    47                                                      
REMARK 465     HIS B    48                                                      
REMARK 465     ALA B    49                                                      
REMARK 465     PRO B    50                                                      
REMARK 465     ASP B    51                                                      
REMARK 465     HIS B    52                                                      
REMARK 465     SER B    53                                                      
REMARK 465     PRO B    54                                                      
REMARK 465     ALA B    55                                                      
REMARK 465     PRO B    56                                                      
REMARK 465     ASN B    57                                                      
REMARK 465     SER B    58                                                      
REMARK 465     PRO B    59                                                      
REMARK 465     THR B    60                                                      
REMARK 465     LEU B    61                                                      
REMARK 465     THR B    62                                                      
REMARK 465     ARG B    63                                                      
REMARK 465     PRO B    64                                                      
REMARK 465     PRO B    65                                                      
REMARK 465     GLU B    66                                                      
REMARK 465     GLY B    67                                                      
REMARK 465     PRO B    68                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  1075     O    HOH A  1100              2.10            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    LYS A  69       48.07    -93.52                                   
REMARK 500    ARG A 109       73.36    -68.37                                   
REMARK 500    LYS A 110      -87.72   -127.61                                   
REMARK 500    GLN A 112       90.94    -15.71                                   
REMARK 500    THR A 113       69.80    -69.19                                   
REMARK 500    PRO A 115      109.46    -49.34                                   
REMARK 500    SER A 116       70.67   -109.65                                   
REMARK 500    PRO A 117      -78.20    -36.76                                   
REMARK 500    PRO A 119      144.84    -39.02                                   
REMARK 500    PRO A 121      105.68    -48.67                                   
REMARK 500    ARG A 142       23.43   -141.54                                   
REMARK 500    SER A 145     -179.88    -66.72                                   
REMARK 500    THR A 164     -157.49   -137.93                                   
REMARK 500    SER A 262     -170.38    -68.53                                   
REMARK 500    ASN A 285       21.46   -151.57                                   
REMARK 500    ALA A 353       62.21   -158.77                                   
REMARK 500    SER A 361      -33.34    -38.50                                   
REMARK 500    ARG A 374     -133.03   -128.04                                   
REMARK 500    SER A 393        2.62    -68.75                                   
REMARK 500    ILE A 419      148.57   -170.52                                   
REMARK 500    PRO A 473      158.55    -49.35                                   
REMARK 500    LEU B 111       23.16    -62.65                                   
REMARK 500    GLN B 112     -169.45    -66.63                                   
REMARK 500    ARG B 114      151.85    -38.78                                   
REMARK 500    PRO B 115      160.45    -40.92                                   
REMARK 500    PRO B 121      106.98    -48.22                                   
REMARK 500    SER B 145     -175.19    -59.06                                   
REMARK 500    ASN B 225       71.20   -101.55                                   
REMARK 500    GLN B 258     -157.35   -104.58                                   
REMARK 500    GLN B 259     -104.95    -12.04                                   
REMARK 500    ASN B 285       37.26   -150.76                                   
REMARK 500    PRO B 298      128.50    -36.97                                   
REMARK 500    PRO B 309      -34.73    -37.59                                   
REMARK 500    THR B 366      -62.36   -105.22                                   
REMARK 500    ARG B 374     -147.66   -119.16                                   
REMARK 500    PRO B 473      157.22    -49.76                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 137         0.06    SIDE CHAIN                              
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                              ZN B 900  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  96   SG                                                     
REMARK 620 2 CYS A 101   SG  110.8                                              
REMARK 620 3 CYS B  96   SG  115.0 107.2                                        
REMARK 620 4 CYS B 101   SG  106.7 104.9 111.7                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 500  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 186   SG                                                     
REMARK 620 2 HEM A 500   NA   99.5                                              
REMARK 620 3 HEM A 500   NB   89.7  88.9                                        
REMARK 620 4 HEM A 500   NC  100.2 160.1  89.4                                  
REMARK 620 5 HEM A 500   ND  101.8  89.9 168.4  87.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             CAD A 950  AS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 384   SG                                                     
REMARK 620 2 CAD A 950   C1   97.5                                              
REMARK 620 3 CAD A 950   C2   94.7  93.7                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 500  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 186   SG                                                     
REMARK 620 2 HEM B 500   NA  103.4                                              
REMARK 620 3 HEM B 500   NB   95.4  90.4                                        
REMARK 620 4 HEM B 500   NC   98.0 158.6  89.0                                  
REMARK 620 5 HEM B 500   ND   95.0  88.7 169.4  88.1                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             CAD B 951  AS                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 384   SG                                                     
REMARK 620 2 CAD B 951   C1   95.2                                              
REMARK 620 3 CAD B 951   C2   94.4  95.0                                        
REMARK 620 N                    1     2                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 850                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 860                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 851                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B 861                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 900                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3BT A 820                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 870                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAD A 950                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3BT B 821                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 871                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAD B 951                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 890                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 881                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 891                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1NSE   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH SEITU                                
REMARK 900 RELATED ID: 1D0C   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH 3-BR-7-NI (H4B FREE)                 
REMARK 900 RELATED ID: 1D0O   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH 3-BR-7-NI (H4B PRESENT)              
REMARK 900 RELATED ID: 1D1V   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH S-ETHYL-N-PHENYL-ISOTHIOUREA (H4B    
REMARK 900 BOUND)                                                               
REMARK 900 RELATED ID: 1D1W   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)        
REMARK 900 RELATED ID: 1D1X   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH 1,4-PBITU (H4B BOUND)                
REMARK 900 RELATED ID: 1D1Y   RELATED DB: PDB                                   
REMARK 900 ENOS HEME DOMAIN COMPLEXED WITH 1,3-PBITU (H4B FREE)                 
DBREF  1D1Y A   39   482  UNP    P29473   NOS3_BOVIN      39    482             
DBREF  1D1Y B   39   482  UNP    P29473   NOS3_BOVIN      39    482             
SEQADV 1D1Y ARG A  100  UNP  P29473    CYS   100 CONFLICT                       
SEQADV 1D1Y ARG B  100  UNP  P29473    CYS   100 CONFLICT                       
SEQRES   1 A  444  SER ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP          
SEQRES   2 A  444  HIS SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO          
SEQRES   3 A  444  PRO GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU          
SEQRES   4 A  444  LEU GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER          
SEQRES   5 A  444  GLN GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY          
SEQRES   6 A  444  SER LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER          
SEQRES   7 A  444  PRO GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA          
SEQRES   8 A  444  ARG ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG          
SEQRES   9 A  444  SER GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL          
SEQRES  10 A  444  GLU ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG          
SEQRES  11 A  444  GLU SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG          
SEQRES  12 A  444  ASN ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS          
SEQRES  13 A  444  LEU GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN          
SEQRES  14 A  444  GLU MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA          
SEQRES  15 A  444  THR ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE          
SEQRES  16 A  444  PRO GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP          
SEQRES  17 A  444  ASN SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN          
SEQRES  18 A  444  ASP GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE          
SEQRES  19 A  444  THR GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN          
SEQRES  20 A  444  GLY ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO          
SEQRES  21 A  444  ASP GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU          
SEQRES  22 A  444  VAL LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP          
SEQRES  23 A  444  PHE ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA          
SEQRES  24 A  444  VAL SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE          
SEQRES  25 A  444  SER ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU          
SEQRES  26 A  444  ILE GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN          
SEQRES  27 A  444  ILE LEU GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR          
SEQRES  28 A  444  ARG THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL          
SEQRES  29 A  444  GLU ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA          
SEQRES  30 A  444  LYS VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER          
SEQRES  31 A  444  PHE MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY          
SEQRES  32 A  444  GLY CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE          
SEQRES  33 A  444  SER GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL          
SEQRES  34 A  444  ASN TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP          
SEQRES  35 A  444  PRO TRP                                                      
SEQRES   1 B  444  SER ARG ALA PRO ALA PRO ALA THR PRO HIS ALA PRO ASP          
SEQRES   2 B  444  HIS SER PRO ALA PRO ASN SER PRO THR LEU THR ARG PRO          
SEQRES   3 B  444  PRO GLU GLY PRO LYS PHE PRO ARG VAL LYS ASN TRP GLU          
SEQRES   4 B  444  LEU GLY SER ILE THR TYR ASP THR LEU CYS ALA GLN SER          
SEQRES   5 B  444  GLN GLN ASP GLY PRO CYS THR PRO ARG ARG CYS LEU GLY          
SEQRES   6 B  444  SER LEU VAL LEU PRO ARG LYS LEU GLN THR ARG PRO SER          
SEQRES   7 B  444  PRO GLY PRO PRO PRO ALA GLU GLN LEU LEU SER GLN ALA          
SEQRES   8 B  444  ARG ASP PHE ILE ASN GLN TYR TYR SER SER ILE LYS ARG          
SEQRES   9 B  444  SER GLY SER GLN ALA HIS GLU GLU ARG LEU GLN GLU VAL          
SEQRES  10 B  444  GLU ALA GLU VAL ALA SER THR GLY THR TYR HIS LEU ARG          
SEQRES  11 B  444  GLU SER GLU LEU VAL PHE GLY ALA LYS GLN ALA TRP ARG          
SEQRES  12 B  444  ASN ALA PRO ARG CYS VAL GLY ARG ILE GLN TRP GLY LYS          
SEQRES  13 B  444  LEU GLN VAL PHE ASP ALA ARG ASP CYS SER SER ALA GLN          
SEQRES  14 B  444  GLU MET PHE THR TYR ILE CYS ASN HIS ILE LYS TYR ALA          
SEQRES  15 B  444  THR ASN ARG GLY ASN LEU ARG SER ALA ILE THR VAL PHE          
SEQRES  16 B  444  PRO GLN ARG ALA PRO GLY ARG GLY ASP PHE ARG ILE TRP          
SEQRES  17 B  444  ASN SER GLN LEU VAL ARG TYR ALA GLY TYR ARG GLN GLN          
SEQRES  18 B  444  ASP GLY SER VAL ARG GLY ASP PRO ALA ASN VAL GLU ILE          
SEQRES  19 B  444  THR GLU LEU CYS ILE GLN HIS GLY TRP THR PRO GLY ASN          
SEQRES  20 B  444  GLY ARG PHE ASP VAL LEU PRO LEU LEU LEU GLN ALA PRO          
SEQRES  21 B  444  ASP GLU ALA PRO GLU LEU PHE VAL LEU PRO PRO GLU LEU          
SEQRES  22 B  444  VAL LEU GLU VAL PRO LEU GLU HIS PRO THR LEU GLU TRP          
SEQRES  23 B  444  PHE ALA ALA LEU GLY LEU ARG TRP TYR ALA LEU PRO ALA          
SEQRES  24 B  444  VAL SER ASN MET LEU LEU GLU ILE GLY GLY LEU GLU PHE          
SEQRES  25 B  444  SER ALA ALA PRO PHE SER GLY TRP TYR MET SER THR GLU          
SEQRES  26 B  444  ILE GLY THR ARG ASN LEU CYS ASP PRO HIS ARG TYR ASN          
SEQRES  27 B  444  ILE LEU GLU ASP VAL ALA VAL CYS MET ASP LEU ASP THR          
SEQRES  28 B  444  ARG THR THR SER SER LEU TRP LYS ASP LYS ALA ALA VAL          
SEQRES  29 B  444  GLU ILE ASN LEU ALA VAL LEU HIS SER PHE GLN LEU ALA          
SEQRES  30 B  444  LYS VAL THR ILE VAL ASP HIS HIS ALA ALA THR VAL SER          
SEQRES  31 B  444  PHE MET LYS HIS LEU ASP ASN GLU GLN LYS ALA ARG GLY          
SEQRES  32 B  444  GLY CYS PRO ALA ASP TRP ALA TRP ILE VAL PRO PRO ILE          
SEQRES  33 B  444  SER GLY SER LEU THR PRO VAL PHE HIS GLN GLU MET VAL          
SEQRES  34 B  444  ASN TYR ILE LEU SER PRO ALA PHE ARG TYR GLN PRO ASP          
SEQRES  35 B  444  PRO TRP                                                      
HET    ACT  A 850       4                                                       
HET    ACT  A 860       4                                                       
HET    HEM  A 500      43                                                       
HET    3BT  A 820      18                                                       
HET    EDO  A 870       4                                                       
HET    CAD  A 950       3                                                       
HET    GOL  A 890       6                                                       
HET    GOL  A 881       6                                                       
HET    ACT  B 851       4                                                       
HET    ACT  B 861       4                                                       
HET     ZN  B 900       1                                                       
HET    HEM  B 500      43                                                       
HET    3BT  B 821      18                                                       
HET    EDO  B 871       4                                                       
HET    CAD  B 951       3                                                       
HET    GOL  B 891       6                                                       
HETNAM     ACT ACETATE ION                                                      
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     3BT 2-{2-[3-(2-CARBAMIMIDOYLSULFANYL-ETHYL)-PHENYL]-ETHYL}-          
HETNAM   2 3BT  ISOTHIOUREA                                                     
HETNAM     EDO 1,2-ETHANEDIOL                                                   
HETNAM     CAD CACODYLIC ACID                                                   
HETNAM     GOL GLYCEROL                                                         
HETNAM      ZN ZINC ION                                                         
HETSYN     HEM HEME                                                             
HETSYN     3BT S,S'-(1,3-PHENYLENE-BIS(1,2-ETHANEDIYL))BIS-ISOTHIOUREA          
HETSYN     EDO ETHYLENE GLYCOL                                                  
HETSYN     CAD HYDROXYDIMETHYLARSINE OXIDE                                      
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  ACT    4(C2 H3 O2 1-)                                               
FORMUL   5  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   6  3BT    2(C12 H18 N4 S2)                                             
FORMUL   7  EDO    2(C2 H6 O2)                                                  
FORMUL   8  CAD    2(C2 H7 AS O2)                                               
FORMUL   9  GOL    3(C3 H8 O3)                                                  
FORMUL  13   ZN    ZN 2+                                                        
FORMUL  19  HOH   *322(H2 O)                                                    
HELIX    1   1 THR A   85  SER A   90  5                                   6    
HELIX    2   2 PRO A  121  ILE A  140  1                                  20    
HELIX    3   3 SER A  145  GLY A  163  1                                  19    
HELIX    4   4 ARG A  168  ALA A  183  1                                  16    
HELIX    5   5 GLY A  188  TRP A  192  5                                   5    
HELIX    6   6 SER A  205  ASN A  222  1                                  18    
HELIX    7   7 ARG A  223  ASN A  225  5                                   3    
HELIX    8   8 ASN A  269  GLN A  278  1                                  10    
HELIX    9   9 TRP A  324  GLY A  329  5                                   6    
HELIX   10  10 MET A  360  THR A  366  1                                   7    
HELIX   11  11 THR A  366  ASP A  371  1                                   6    
HELIX   12  12 ILE A  377  MET A  385  1                                   9    
HELIX   13  13 THR A  391  SER A  394  5                                   4    
HELIX   14  14 LEU A  395  ALA A  415  1                                  21    
HELIX   15  15 ASP A  421  GLY A  441  1                                  21    
HELIX   16  16 ASP A  446  VAL A  451  1                                   6    
HELIX   17  17 SER A  455  THR A  459  5                                   5    
HELIX   18  18 THR A  459  HIS A  463  5                                   5    
HELIX   19  19 THR B   85  SER B   90  5                                   6    
HELIX   20  20 PRO B  121  ILE B  140  1                                  20    
HELIX   21  21 SER B  145  GLY B  163  1                                  19    
HELIX   22  22 ARG B  168  ALA B  183  1                                  16    
HELIX   23  23 GLY B  188  TRP B  192  5                                   5    
HELIX   24  24 SER B  205  ASN B  222  1                                  18    
HELIX   25  25 ARG B  223  ASN B  225  5                                   3    
HELIX   26  26 ASN B  269  GLN B  278  1                                  10    
HELIX   27  27 TRP B  324  GLY B  329  5                                   6    
HELIX   28  28 MET B  360  THR B  366  1                                   7    
HELIX   29  29 THR B  366  ASP B  371  1                                   6    
HELIX   30  30 ILE B  377  MET B  385  1                                   9    
HELIX   31  31 THR B  391  SER B  394  5                                   4    
HELIX   32  32 LEU B  395  ALA B  415  1                                  21    
HELIX   33  33 ASP B  421  GLY B  441  1                                  21    
HELIX   34  34 ASP B  446  VAL B  451  1                                   6    
HELIX   35  35 SER B  455  THR B  459  5                                   5    
HELIX   36  36 THR B  459  HIS B  463  5                                   5    
SHEET    1   A 2 ARG A  72  LYS A  74  0                                        
SHEET    2   A 2 ILE A  81  TYR A  83 -1  O  THR A  82   N  VAL A  73           
SHEET    1   B 2 ARG A 100  CYS A 101  0                                        
SHEET    2   B 2 ASN B 468  TYR B 469 -1  O  ASN B 468   N  CYS A 101           
SHEET    1   C 4 GLN A 196  ASP A 199  0                                        
SHEET    2   C 4 ALA A 229  VAL A 232  1  O  ILE A 230   N  PHE A 198           
SHEET    3   C 4 PHE A 355  SER A 356 -1  N  SER A 356   O  ALA A 229           
SHEET    4   C 4 ALA A 337  VAL A 338 -1  O  VAL A 338   N  PHE A 355           
SHEET    1   D 3 ARG A 244  ILE A 245  0                                        
SHEET    2   D 3 LEU A 293  GLN A 296 -1  N  GLN A 296   O  ARG A 244           
SHEET    3   D 3 GLU A 303  PHE A 305 -1  N  GLU A 303   O  LEU A 295           
SHEET    1   E 2 GLY A 255  ARG A 257  0                                        
SHEET    2   E 2 VAL A 263  GLY A 265 -1  N  ARG A 264   O  TYR A 256           
SHEET    1   F 2 GLU A 314  PRO A 316  0                                        
SHEET    2   F 2 ARG A 331  TYR A 333 -1  O  TRP A 332   N  VAL A 315           
SHEET    1   G 3 LEU A 348  PHE A 350  0                                        
SHEET    2   G 3 LEU A 342  ILE A 345 -1  O  LEU A 343   N  PHE A 350           
SHEET    3   G 3 ALA A 474  ARG A 476 -1  O  ALA A 474   N  GLU A 344           
SHEET    1   H 2 ARG B  72  LYS B  74  0                                        
SHEET    2   H 2 ILE B  81  TYR B  83 -1  O  THR B  82   N  VAL B  73           
SHEET    1   I 4 GLN B 196  ASP B 199  0                                        
SHEET    2   I 4 ALA B 229  VAL B 232  1  O  ILE B 230   N  PHE B 198           
SHEET    3   I 4 PHE B 355  SER B 356 -1  N  SER B 356   O  ALA B 229           
SHEET    4   I 4 ALA B 337  VAL B 338 -1  O  VAL B 338   N  PHE B 355           
SHEET    1   J 3 ARG B 244  ILE B 245  0                                        
SHEET    2   J 3 LEU B 293  GLN B 296 -1  N  GLN B 296   O  ARG B 244           
SHEET    3   J 3 GLU B 303  PHE B 305 -1  N  GLU B 303   O  LEU B 295           
SHEET    1   K 2 GLY B 255  ARG B 257  0                                        
SHEET    2   K 2 VAL B 263  GLY B 265 -1  O  ARG B 264   N  TYR B 256           
SHEET    1   L 2 GLU B 314  PRO B 316  0                                        
SHEET    2   L 2 ARG B 331  TYR B 333 -1  O  TRP B 332   N  VAL B 315           
SHEET    1   M 3 LEU B 348  PHE B 350  0                                        
SHEET    2   M 3 LEU B 342  ILE B 345 -1  O  LEU B 343   N  PHE B 350           
SHEET    3   M 3 ALA B 474  ARG B 476 -1  O  ALA B 474   N  GLU B 344           
LINK         SG  CYS A  96                ZN    ZN B 900     1555   1555  2.34  
LINK         SG  CYS A 101                ZN    ZN B 900     1555   1555  2.31  
LINK         SG  CYS A 186                FE   HEM A 500     1555   1555  2.26  
LINK         SG  CYS A 384                AS   CAD A 950     1555   1555  2.32  
LINK         SG  CYS B  96                ZN    ZN B 900     1555   1555  2.32  
LINK         SG  CYS B 101                ZN    ZN B 900     1555   1555  2.33  
LINK         SG  CYS B 186                FE   HEM B 500     1555   1555  2.26  
LINK         SG  CYS B 384                AS   CAD B 951     1555   1555  2.37  
CISPEP   1 SER A  472    PRO A  473          0         0.32                     
CISPEP   2 SER B  472    PRO B  473          0        -0.50                     
SITE     1 AC1  5 GLN A 249  ARG A 252  ASN A 368  ARG A 374                    
SITE     2 AC1  5 HOH A1027                                                     
SITE     1 AC2  5 GLY A 188  TRP A 358  VAL A 420  SER A 428                    
SITE     2 AC2  5 HOH A1107                                                     
SITE     1 AC3  5 GLN B 249  ARG B 252  ASN B 368  ARG B 374                    
SITE     2 AC3  5 HOH B 975                                                     
SITE     1 AC4  5 GLY B 188  TRP B 358  VAL B 420  SER B 428                    
SITE     2 AC4  5 HOH B1030                                                     
SITE     1 AC5  4 CYS A  96  CYS A 101  CYS B  96  CYS B 101                    
SITE     1 AC6 16 TRP A 180  ARG A 185  CYS A 186  SER A 228                    
SITE     2 AC6 16 MET A 341  PHE A 355  SER A 356  TRP A 358                    
SITE     3 AC6 16 GLU A 363  TRP A 449  TYR A 477  3BT A 820                    
SITE     4 AC6 16 GOL A 890  HOH A1064  HOH A1074  HOH A1119                    
SITE     1 AC7 15 TRP B 180  ARG B 185  CYS B 186  SER B 228                    
SITE     2 AC7 15 PHE B 355  SER B 356  TRP B 358  GLU B 363                    
SITE     3 AC7 15 TRP B 449  TYR B 477  3BT B 821  GOL B 891                    
SITE     4 AC7 15 HOH B 956  HOH B 986  HOH B1060                               
SITE     1 AC8 10 SER A 248  GLN A 249  PRO A 336  VAL A 338                    
SITE     2 AC8 10 PHE A 355  TRP A 358  TYR A 359  GLU A 363                    
SITE     3 AC8 10 HEM A 500  HOH A 970                                          
SITE     1 AC9  6 ARG A 367  HIS A 373  GOL A 890  HOH A 979                    
SITE     2 AC9  6 TRP B  76  HOH B1038                                          
SITE     1 BC1  5 TRP A 324  CYS A 384  LYS A 438  ARG A 440                    
SITE     2 BC1  5 GLY A 441                                                     
SITE     1 BC2  8 GLN B 249  PRO B 336  VAL B 338  ASN B 340                    
SITE     2 BC2  8 TRP B 358  TYR B 359  GLU B 363  HEM B 500                    
SITE     1 BC3  4 ARG B 367  HIS B 373  GOL B 891  HOH B 994                    
SITE     1 BC4  4 PHE B  70  TYR B  83  TRP B 324  CYS B 384                    
SITE     1 BC5  6 ARG A 367  TRP A 449  HEM A 500  EDO A 870                    
SITE     2 BC5  6 HOH A 962  PHE B 462                                          
SITE     1 BC6  5 PHE A 462  GLU A 465  SER B 104  TRP B 449                    
SITE     2 BC6  5 GOL B 891                                                     
SITE     1 BC7  6 GOL A 881  ARG B 367  ALA B 448  TRP B 449                    
SITE     2 BC7  6 HEM B 500  EDO B 871                                          
CRYST1   58.660  106.250  156.440  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017047  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009412  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006392        0.00000