PDB Short entry for 1M9J
HEADER    OXIDOREDUCTASE                          29-JUL-02   1M9J              
TITLE     HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE WITH CHLORZOXAZONE BOUND      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ENDOTHELIAL NITRIC-OXIDE SYNTHASE;                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: OXYGENASE DOMAIN;                                          
COMPND   5 SYNONYM: EC-NOS, NOS, TYPE III, NOSIII, ENDOTHELIAL NOS, ENOS,       
COMPND   6 CONSTITUTIVE NOS, CNOS;                                              
COMPND   7 EC: 1.14.13.39;                                                      
COMPND   8 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    OXIDOREDUCTASE                                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.J.ROSENFELD,E.D.GARCIN,K.PANDA,G.ANDERSSON,A.ABERG,A.V.WALLACE,     
AUTHOR   2 D.J.STUEHR,J.A.TAINER,E.D.GETZOFF                                    
REVDAT   4   14-FEB-24 1M9J    1       REMARK LINK                              
REVDAT   3   24-FEB-09 1M9J    1       VERSN                                    
REVDAT   2   11-DEC-02 1M9J    1       JRNL                                     
REVDAT   1   14-AUG-02 1M9J    0                                                
JRNL        AUTH   R.J.ROSENFELD,E.D.GARCIN,K.PANDA,G.ANDERSSON,A.ABERG,        
JRNL        AUTH 2 A.V.WALLACE,G.M.MORRIS,A.J.OLSON,D.J.STUEHR,J.A.TAINER,      
JRNL        AUTH 3 E.D.GETZOFF                                                  
JRNL        TITL   CONFORMATIONAL CHANGES IN NITRIC OXIDE SYNTHASES INDUCED BY  
JRNL        TITL 2 CHLORZOXAZONE AND NITROINDAZOLES: CRYSTALLOGRAPHIC AND       
JRNL        TITL 3 COMPUTATIONAL ANALYSES OF INHIBITOR POTENCY                  
JRNL        REF    BIOCHEMISTRY                  V.  41 13915 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12437348                                                     
JRNL        DOI    10.1021/BI026313J                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
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.    2.43 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) : 2.43                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 89.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 34502                          
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) : 0.216                           
REMARK   3   FREE R VALUE                     : 0.272                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1709                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.43                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.58                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 5305                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2870                       
REMARK   3   BIN FREE R VALUE                    : 0.3490                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.30                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 294                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.020                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6368                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 109                                     
REMARK   3   SOLVENT ATOMS            : 146                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 26.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 40.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 16.62000                                             
REMARK   3    B22 (A**2) : -0.64000                                             
REMARK   3    B33 (A**2) : -15.98000                                            
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.40                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.40                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.190                           
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) : 1.370 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.240 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.120 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.120 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.29                                                 
REMARK   3   BSOL        : 10.00                                                
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  : PARHCSDX.PRO                                   
REMARK   3  PARAMETER FILE  2  : PARAM19.SOL                                    
REMARK   3  PARAMETER FILE  3  : PARAM19X.HEME                                  
REMARK   3  PARAMETER FILE  4  : CHLZ.PAR                                       
REMARK   3  PARAMETER FILE  5  : MISC.PAR                                       
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : TOPHCSDX.PRO                                   
REMARK   3  TOPOLOGY FILE  2   : TOPH19.SOL                                     
REMARK   3  TOPOLOGY FILE  3   : TOPH19X.HEME                                   
REMARK   3  TOPOLOGY FILE  4   : CHLZ.TOP                                       
REMARK   3  TOPOLOGY FILE  5   : MISC.TOP                                       
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1M9J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-AUG-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000016765.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-OCT-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34536                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.430                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.9                               
REMARK 200  DATA REDUNDANCY                : 5.300                              
REMARK 200  R MERGE                    (I) : 0.08000                            
REMARK 200  R SYM                      (I) : 0.08000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.43                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.52                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 89.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.42500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.42500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
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   (%): 53.59                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NACL, MPD, PEG, PH 5.5, VAPOR            
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 298.0K                         
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       35.53550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       77.91650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       44.94550            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       77.91650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       35.53550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       44.94550            
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 300 REMARK: BIOLOGICALLY ACTIVE AS A DIMER. THE DIMER IS FORMED BY       
REMARK 300 CHAIN A, CHAIN B, TWO HEMES, AND ONE ZINC ATOM, DOES NOT REQUIRE     
REMARK 300 SYMMETRY OPERATIONS.                                                 
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: 8790 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 32520 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -126.0 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     PRO A   106                                                      
REMARK 465     ARG A   107                                                      
REMARK 465     LYS A   108                                                      
REMARK 465     LEU A   109                                                      
REMARK 465     GLN A   110                                                      
REMARK 465     GLY A   111                                                      
REMARK 465     ARG A   112                                                      
REMARK 465     PRO A   113                                                      
REMARK 465     SER A   114                                                      
REMARK 465     PRO A   115                                                      
REMARK 465     GLY A   116                                                      
REMARK 465     PRO A   117                                                      
REMARK 465     PRO A   118                                                      
REMARK 465     ALA A   119                                                      
REMARK 465     LYS A   481                                                      
REMARK 465     PRO B   106                                                      
REMARK 465     ARG B   107                                                      
REMARK 465     LYS B   108                                                      
REMARK 465     LEU B   109                                                      
REMARK 465     GLN B   110                                                      
REMARK 465     GLY B   111                                                      
REMARK 465     ARG B   112                                                      
REMARK 465     PRO B   113                                                      
REMARK 465     SER B   114                                                      
REMARK 465     PRO B   115                                                      
REMARK 465     GLY B   116                                                      
REMARK 465     PRO B   117                                                      
REMARK 465     PRO B   118                                                      
REMARK 465     ALA B   119                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU A 121    CG   CD   OE1  OE2                                  
REMARK 470     ASN A 283    CG   OD1  ND2                                       
REMARK 470     GLU A 321    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 388    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ARG B  70    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 121    CG   CD   OE1  OE2                                  
REMARK 470     ARG B 388    CG   CD   NE   CZ   NH1  NH2                        
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    SER A 203     -168.94   -166.61                                   
REMARK 500    ARG A 221       14.20     54.64                                   
REMARK 500    ARG A 238      165.75    177.37                                   
REMARK 500    ARG A 255       97.82    -64.80                                   
REMARK 500    ASP A 258        1.79    163.47                                   
REMARK 500    HIS A 277       32.39    -96.91                                   
REMARK 500    ASN A 283       11.94   -147.22                                   
REMARK 500    ALA A 351       70.78   -163.45                                   
REMARK 500    ARG A 372     -136.24   -113.34                                   
REMARK 500    ARG B 221       14.70     58.35                                   
REMARK 500    ASP B 258       21.16    175.30                                   
REMARK 500    ASN B 283       26.77   -145.29                                   
REMARK 500    ALA B 351       69.16   -155.40                                   
REMARK 500    SER B 359      -47.05    -28.77                                   
REMARK 500    ARG B 372     -140.15   -120.22                                   
REMARK 500    CYS B 441      117.29   -160.27                                   
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 A 903  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  94   SG                                                     
REMARK 620 2 CYS A  99   SG  105.9                                              
REMARK 620 3 CYS B  94   SG  127.4 103.1                                        
REMARK 620 4 CYS B  99   SG  107.8 101.8 107.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 901  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 184   SG                                                     
REMARK 620 2 HEM A 901   NA  100.7                                              
REMARK 620 3 HEM A 901   NB   95.7  89.1                                        
REMARK 620 4 HEM A 901   NC  101.9 157.4  89.1                                  
REMARK 620 5 HEM A 901   ND  100.1  88.0 164.1  87.7                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 901  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 184   SG                                                     
REMARK 620 2 HEM B 901   NA  106.4                                              
REMARK 620 3 HEM B 901   NB  100.4  86.1                                        
REMARK 620 4 HEM B 901   NC  105.1 148.5  87.0                                  
REMARK 620 5 HEM B 901   ND  106.0  89.2 153.4  83.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 903                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLW A 906                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CLW B 907                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1M8D   RELATED DB: PDB                                   
REMARK 900 INOS WITH CHLORZOXAZONE BOUND                                        
REMARK 900 RELATED ID: 1M8E   RELATED DB: PDB                                   
REMARK 900 INOS WITH 7-NITROINDAZOLE BOUND                                      
REMARK 900 RELATED ID: 1M8H   RELATED DB: PDB                                   
REMARK 900 INOS WITH 6-NITROINDAZOLE BOUND                                      
REMARK 900 RELATED ID: 1M8I   RELATED DB: PDB                                   
REMARK 900 INOS WITH 5-NITROINDAZOLE BOUND                                      
REMARK 900 RELATED ID: 1M9J   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH CHLORZOXAZONE BOUND                                  
REMARK 900 RELATED ID: 1M9K   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH 7-NITROINDAZOLE BOUND                                
REMARK 900 RELATED ID: 1M9M   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH 6-NITROINDAZOLE BOUND                                
REMARK 900 RELATED ID: 1M9Q   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH 5-NITROINDAZOLE BOUND                                
REMARK 900 RELATED ID: 1M9R   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH 3-BROMO-7-NITROINDAZOLE BOUND                        
REMARK 900 RELATED ID: 1M9T   RELATED DB: PDB                                   
REMARK 900 INOS WITH WITH 3-BROMO-7-NITROINDAZOLE BOUND                         
REMARK 900 RELATED ID: 1NOD   RELATED DB: PDB                                   
REMARK 900 INOS WITH SUBSTRATE BOUND                                            
REMARK 900 RELATED ID: 3NOD   RELATED DB: PDB                                   
REMARK 900 HUMAN ENOS WITH SUBSTRATE BOUND                                      
DBREF  1M9J A   67   481  UNP    P29474   NOS3_HUMAN      66    480             
DBREF  1M9J B   67   481  UNP    P29474   NOS3_HUMAN      66    480             
SEQRES   1 A  415  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   2 A  415  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   3 A  415  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   4 A  415  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   5 A  415  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   6 A  415  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   7 A  415  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES   8 A  415  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES   9 A  415  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  10 A  415  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  11 A  415  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  12 A  415  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  13 A  415  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  14 A  415  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  15 A  415  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  16 A  415  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  17 A  415  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  18 A  415  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  19 A  415  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  20 A  415  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  21 A  415  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  22 A  415  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  23 A  415  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  24 A  415  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  25 A  415  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  26 A  415  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  27 A  415  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  28 A  415  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  29 A  415  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  30 A  415  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  31 A  415  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  32 A  415  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP LYS              
SEQRES   1 B  415  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   2 B  415  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   3 B  415  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   4 B  415  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   5 B  415  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   6 B  415  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   7 B  415  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES   8 B  415  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES   9 B  415  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  10 B  415  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  11 B  415  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  12 B  415  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  13 B  415  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  14 B  415  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  15 B  415  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  16 B  415  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  17 B  415  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  18 B  415  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  19 B  415  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  20 B  415  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  21 B  415  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  22 B  415  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  23 B  415  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  24 B  415  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  25 B  415  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  26 B  415  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  27 B  415  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  28 B  415  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  29 B  415  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  30 B  415  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  31 B  415  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  32 B  415  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP LYS              
HET     ZN  A 903       1                                                       
HET    HEM  A 901      43                                                       
HET    CLW  A 906      11                                                       
HET    HEM  B 901      43                                                       
HET    CLW  B 907      11                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CLW CHLORZOXAZONE                                                    
HETSYN     HEM HEME                                                             
HETSYN     CLW 5-CHLORO-2-BENZOXAZOLONE                                         
FORMUL   3   ZN    ZN 2+                                                        
FORMUL   4  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   5  CLW    2(C7 H4 CL N O2)                                             
FORMUL   8  HOH   *146(H2 O)                                                    
HELIX    1   1 LEU A   84  ALA A   88  5                                   5    
HELIX    2   2 PRO A  120  ILE A  138  1                                  19    
HELIX    3   3 SER A  143  GLY A  161  1                                  19    
HELIX    4   4 ARG A  166  ASN A  180  1                                  15    
HELIX    5   5 GLY A  186  LEU A  193  5                                   8    
HELIX    6   6 SER A  203  ASN A  220  1                                  18    
HELIX    7   7 ARG A  221  ASN A  223  5                                   3    
HELIX    8   8 ASN A  267  HIS A  277  1                                  11    
HELIX    9   9 PRO A  306  VAL A  310  5                                   5    
HELIX   10  10 TRP A  322  GLY A  327  5                                   6    
HELIX   11  11 MET A  358  THR A  364  1                                   7    
HELIX   12  12 THR A  364  ASP A  369  1                                   6    
HELIX   13  13 ILE A  375  MET A  383  1                                   9    
HELIX   14  14 THR A  389  SER A  392  5                                   4    
HELIX   15  15 LEU A  393  ALA A  413  1                                  21    
HELIX   16  16 ASP A  419  ARG A  438  1                                  20    
HELIX   17  17 ASP A  444  VAL A  449  1                                   6    
HELIX   18  18 SER A  453  THR A  457  5                                   5    
HELIX   19  19 LEU B   84  ALA B   88  5                                   5    
HELIX   20  20 PRO B  120  ILE B  138  1                                  19    
HELIX   21  21 SER B  143  GLY B  161  1                                  19    
HELIX   22  22 ARG B  166  ASN B  180  1                                  15    
HELIX   23  23 GLY B  186  TRP B  190  5                                   5    
HELIX   24  24 SER B  203  ASN B  220  1                                  18    
HELIX   25  25 ARG B  221  ASN B  223  5                                   3    
HELIX   26  26 ASN B  267  HIS B  277  1                                  11    
HELIX   27  27 PRO B  306  VAL B  310  5                                   5    
HELIX   28  28 PHE B  323  GLY B  327  5                                   5    
HELIX   29  29 MET B  358  THR B  364  1                                   7    
HELIX   30  30 THR B  364  ASP B  369  1                                   6    
HELIX   31  31 ILE B  375  MET B  383  1                                   9    
HELIX   32  32 THR B  389  SER B  392  5                                   4    
HELIX   33  33 LEU B  393  ALA B  413  1                                  21    
HELIX   34  34 ASP B  419  ARG B  438  1                                  20    
HELIX   35  35 ASP B  444  VAL B  449  1                                   6    
HELIX   36  36 SER B  453  THR B  457  5                                   5    
SHEET    1   A 2 ARG A  70  LYS A  72  0                                        
SHEET    2   A 2 ILE A  79  TYR A  81 -1  O  THR A  80   N  VAL A  71           
SHEET    1   B 4 GLN A 194  ASP A 197  0                                        
SHEET    2   B 4 ALA A 227  VAL A 230  1  O  ILE A 228   N  PHE A 196           
SHEET    3   B 4 PHE A 353  SER A 354 -1  O  SER A 354   N  ALA A 227           
SHEET    4   B 4 ALA A 335  VAL A 336 -1  N  VAL A 336   O  PHE A 353           
SHEET    1   C 3 ARG A 242  ILE A 243  0                                        
SHEET    2   C 3 LEU A 291  GLN A 294 -1  O  GLN A 294   N  ARG A 242           
SHEET    3   C 3 GLU A 301  PHE A 303 -1  O  PHE A 303   N  LEU A 291           
SHEET    1   D 2 GLY A 253  ARG A 255  0                                        
SHEET    2   D 2 VAL A 261  GLY A 263 -1  O  ARG A 262   N  TYR A 254           
SHEET    1   E 2 GLU A 312  PRO A 314  0                                        
SHEET    2   E 2 ARG A 329  TYR A 331 -1  O  TRP A 330   N  VAL A 313           
SHEET    1   F 3 LEU A 346  PHE A 348  0                                        
SHEET    2   F 3 LEU A 340  ILE A 343 -1  N  LEU A 341   O  PHE A 348           
SHEET    3   F 3 ALA A 472  ARG A 474 -1  O  ARG A 474   N  LEU A 340           
SHEET    1   G 2 ARG B  70  LYS B  72  0                                        
SHEET    2   G 2 ILE B  79  TYR B  81 -1  O  THR B  80   N  VAL B  71           
SHEET    1   H 4 GLN B 194  ASP B 197  0                                        
SHEET    2   H 4 ALA B 227  VAL B 230  1  O  ILE B 228   N  PHE B 196           
SHEET    3   H 4 PHE B 353  SER B 354 -1  O  SER B 354   N  ALA B 227           
SHEET    4   H 4 ALA B 335  VAL B 336 -1  N  VAL B 336   O  PHE B 353           
SHEET    1   I 3 ARG B 242  ILE B 243  0                                        
SHEET    2   I 3 LEU B 291  GLN B 294 -1  O  GLN B 294   N  ARG B 242           
SHEET    3   I 3 GLU B 301  PHE B 303 -1  O  PHE B 303   N  LEU B 291           
SHEET    1   J 2 GLY B 253  ARG B 255  0                                        
SHEET    2   J 2 VAL B 261  GLY B 263 -1  O  ARG B 262   N  TYR B 254           
SHEET    1   K 2 GLU B 312  PRO B 314  0                                        
SHEET    2   K 2 ARG B 329  TYR B 331 -1  O  TRP B 330   N  VAL B 313           
SHEET    1   L 3 LEU B 346  PHE B 348  0                                        
SHEET    2   L 3 LEU B 340  ILE B 343 -1  N  LEU B 341   O  PHE B 348           
SHEET    3   L 3 ALA B 472  ARG B 474 -1  O  ARG B 474   N  LEU B 340           
LINK         SG  CYS A  94                ZN    ZN A 903     1555   1555  2.25  
LINK         SG  CYS A  99                ZN    ZN A 903     1555   1555  2.22  
LINK         SG  CYS A 184                FE   HEM A 901     1555   1555  2.26  
LINK        ZN    ZN A 903                 SG  CYS B  94     1555   1555  2.20  
LINK        ZN    ZN A 903                 SG  CYS B  99     1555   1555  2.22  
LINK         SG  CYS B 184                FE   HEM B 901     1555   1555  2.29  
CISPEP   1 SER A  470    PRO A  471          0        -0.02                     
CISPEP   2 SER B  470    PRO B  471          0         0.13                     
SITE     1 AC1  4 CYS A  94  CYS A  99  CYS B  94  CYS B  99                    
SITE     1 AC2 11 TRP A 178  CYS A 184  PHE A 353  SER A 354                    
SITE     2 AC2 11 TRP A 356  GLU A 361  TRP A 447  PHE A 473                    
SITE     3 AC2 11 TYR A 475  HOH A 704  CLW A 906                               
SITE     1 AC3  6 PHE A 353  TRP A 356  TYR A 357  MET A 358                    
SITE     2 AC3  6 GLU A 361  HEM A 901                                          
SITE     1 AC4 11 TRP B 178  ARG B 183  CYS B 184  PHE B 353                    
SITE     2 AC4 11 SER B 354  TRP B 356  GLU B 361  TRP B 447                    
SITE     3 AC4 11 TYR B 475  HOH B 766  CLW B 907                               
SITE     1 AC5  6 PHE B 353  TRP B 356  TYR B 357  MET B 358                    
SITE     2 AC5  6 GLU B 361  HEM B 901                                          
CRYST1   71.071   89.891  155.833  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      0.014070  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011125  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006417        0.00000