HEADER    OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 25-MAY-10   3N67              
TITLE     STRUCTURE OF ENDOTHELIAL NITRIC OXIDE SYNTHASE N368D/V106M DOUBLE     
TITLE    2 MUTANT HEME DOMAIN COMPLEXED WITH 6,6'-(2,2'-(5-AMINO-1,3-PHENYLENE) 
TITLE    3 BIS(ETHANE-2,1-DIYL))BIS(4-METHYLPYRIDIN-2-AMINE)                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITRIC OXIDE SYNTHASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: ENDOTHELIAL NOS, ENOS, EC-NOS, NOS TYPE III, NOSIII,        
COMPND   5 CONSTITUTIVE NOS, CNOS;                                              
COMPND   6 EC: 1.14.13.39;                                                      
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: COW;                                                
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 GENE: NOS3;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PCWORI                                    
KEYWDS    NITRIC OXIDE SYNTHASE, HEME ENZYME, SUBSTRATE INHIBITOR,              
KEYWDS   2 OXIDOREDUCTASE, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR COMPLEX      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.L.DELKER,H.LI,T.L.POULOS                                            
REVDAT   3   21-FEB-24 3N67    1       REMARK SEQADV LINK                       
REVDAT   2   17-JUL-19 3N67    1       REMARK                                   
REVDAT   1   09-FEB-11 3N67    0                                                
JRNL        AUTH   S.L.DELKER,F.XUE,H.LI,J.JAMAL,R.B.SILVERMAN,T.L.POULOS       
JRNL        TITL   ROLE OF ZINC IN ISOFORM-SELECTIVE INHIBITOR BINDING TO       
JRNL        TITL 2 NEURONAL NITRIC OXIDE SYNTHASE .                             
JRNL        REF    BIOCHEMISTRY                  V.  49 10803 2010              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   21138269                                                     
JRNL        DOI    10.1021/BI1013479                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.09 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ENGH & HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.09                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.19                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 94.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 52119                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.176                           
REMARK   3   R VALUE            (WORKING SET) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.218                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2752                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.09                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.15                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3428                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 85.74                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2240                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 204                          
REMARK   3   BIN FREE R VALUE                    : 0.2860                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6420                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 189                                     
REMARK   3   SOLVENT ATOMS            : 364                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 37.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 45.25                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.03000                                              
REMARK   3    B33 (A**2) : -0.03000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.174         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.121         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.227         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.966                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.949                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6875 ; 0.016 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9400 ; 1.512 ; 1.998       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   817 ; 6.261 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   326 ;35.395 ;23.436       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1055 ;16.772 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    55 ;20.589 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   973 ; 0.103 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5407 ; 0.008 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  4079 ; 0.776 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6589 ; 1.368 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2796 ; 2.423 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2811 ; 3.758 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A    67        A   482                          
REMARK   3    ORIGIN FOR THE GROUP (A):  10.9700  10.2640  32.0590              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0797 T22:   0.0208                                     
REMARK   3      T33:   0.1511 T12:  -0.0309                                     
REMARK   3      T13:   0.0123 T23:  -0.0112                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6022 L22:   1.0578                                     
REMARK   3      L33:   1.4433 L12:  -0.1769                                     
REMARK   3      L13:  -0.2969 L23:   0.2242                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0098 S12:   0.0101 S13:   0.0214                       
REMARK   3      S21:  -0.1936 S22:   0.0678 S23:  -0.1346                       
REMARK   3      S31:  -0.0607 S32:   0.1199 S33:  -0.0776                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B    69        B   482                          
REMARK   3    ORIGIN FOR THE GROUP (A):   2.8340   5.9350  67.8310              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0384 T22:   0.0487                                     
REMARK   3      T33:   0.1539 T12:  -0.0137                                     
REMARK   3      T13:  -0.0059 T23:   0.0083                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.7274 L22:   0.8945                                     
REMARK   3      L33:   2.0314 L12:  -0.2554                                     
REMARK   3      L13:   0.4107 L23:  -0.6647                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0613 S12:  -0.1510 S13:  -0.0697                       
REMARK   3      S21:   0.0644 S22:   0.0693 S23:   0.0441                       
REMARK   3      S31:   0.0176 S32:  -0.1510 S33:  -0.1306                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3N67 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAY-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000059430.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-DEC-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
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) : 1.0                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 54937                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
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     (%) : 94.5                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.06100                            
REMARK 200  R SYM                      (I) : 0.06100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.0200                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.14                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 88.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.43100                            
REMARK 200  R SYM FOR SHELL            (I) : 0.43100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.530                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.51                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 9-12% PEG 3350, 0.2M MAGNESIUM           
REMARK 280  ACETATE, 0.1M SODIUM CACODYLATE, 0.005M TCEP-HCL , PH 6.5, VAPOR    
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 278K                           
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       28.98250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.38500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.30250            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       78.38500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.98250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.30250            
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: 10430 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 32570 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -88.0 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     ARG A   109                                                      
REMARK 465     LYS A   110                                                      
REMARK 465     LEU A   111                                                      
REMARK 465     GLN A   112                                                      
REMARK 465     THR A   113                                                      
REMARK 465     ARG A   114                                                      
REMARK 465     PRO A   115                                                      
REMARK 465     SER A   116                                                      
REMARK 465     PRO A   117                                                      
REMARK 465     GLY A   118                                                      
REMARK 465     PRO A   119                                                      
REMARK 465     PRO A   120                                                      
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 465     LYS B   110                                                      
REMARK 465     LEU B   111                                                      
REMARK 465     GLN B   112                                                      
REMARK 465     THR B   113                                                      
REMARK 465     ARG B   114                                                      
REMARK 465     PRO B   115                                                      
REMARK 465     SER B   116                                                      
REMARK 465     PRO B   117                                                      
REMARK 465     GLY B   118                                                      
REMARK 465     PRO B   119                                                      
REMARK 465     PRO B   120                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG B 240   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG B 240   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
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       48.64    -79.49                                   
REMARK 500    ALA A 122      -89.42    -10.52                                   
REMARK 500    ASN A 285       34.68   -147.12                                   
REMARK 500    ALA A 353       66.44   -154.19                                   
REMARK 500    THR A 366      -62.24    -91.16                                   
REMARK 500    ARG A 374     -134.91   -120.82                                   
REMARK 500    ASP B 202       47.90    -99.05                                   
REMARK 500    ASP B 260       37.12    -90.94                                   
REMARK 500    ASN B 285       34.08   -158.60                                   
REMARK 500    ALA B 353       70.26   -159.72                                   
REMARK 500    ARG B 374     -137.65   -125.45                                   
REMARK 500    CYS B 443      117.56   -161.19                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 610                                                                      
REMARK 610 MISSING HETEROATOM                                                   
REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 610 I=INSERTION CODE):                                                   
REMARK 610   M RES C SSEQI                                                      
REMARK 610     CAD A  950                                                       
REMARK 610     CAD B  950                                                       
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 900  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  96   SG                                                     
REMARK 620 2 CYS A 101   SG  106.9                                              
REMARK 620 3 CYS B  96   SG  118.1 102.5                                        
REMARK 620 4 CYS B 101   SG  111.4 106.1 110.8                                  
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   95.0                                              
REMARK 620 3 HEM A 500   NB   90.3  91.6                                        
REMARK 620 4 HEM A 500   NC   94.1 170.7  86.7                                  
REMARK 620 5 HEM A 500   ND   98.1  86.8 171.6  93.6                            
REMARK 620 N                    1     2     3     4                             
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   95.8                                              
REMARK 620 3 HEM B 500   NB   94.1  93.4                                        
REMARK 620 4 HEM B 500   NC   90.9 173.3  86.3                                  
REMARK 620 5 HEM B 500   ND   94.3  87.0 171.5  92.2                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 500                 
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 XFN A 800                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAD A 950                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 600                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900                  
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 ACT B 860                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XFN B 800                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CAD B 950                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 600                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3N5P   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5R   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5S   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5T   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5V   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5W   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5X   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5Y   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N5Z   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N60   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N61   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N62   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N63   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N64   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N65   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N66   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N68   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N69   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6A   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6B   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6C   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6D   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6E   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6F   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3N6G   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 AUTHORS STATE THAT THEIR DENSITY SUPPORT ARG AT THIS POSITION.       
DBREF  3N67 A   39   482  UNP    P29476   NOS3_BOVIN      39    482             
DBREF  3N67 B   39   482  UNP    P29476   NOS3_BOVIN      39    482             
SEQADV 3N67 ARG A  100  UNP  P29476    CYS   100 SEE REMARK 999                 
SEQADV 3N67 MET A  106  UNP  P29476    VAL   106 ENGINEERED MUTATION            
SEQADV 3N67 ASP A  368  UNP  P29476    ASN   368 ENGINEERED MUTATION            
SEQADV 3N67 ARG B  100  UNP  P29476    CYS   100 SEE REMARK 999                 
SEQADV 3N67 MET B  106  UNP  P29476    VAL   106 ENGINEERED MUTATION            
SEQADV 3N67 ASP B  368  UNP  P29476    ASN   368 ENGINEERED MUTATION            
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 MET 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 ASP 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 MET 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 ASP 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    HEM  A 500      43                                                       
HET    ACT  A 860       4                                                       
HET    XFN  A 800      27                                                       
HET    CAD  A 950       3                                                       
HET    H4B  A 600      17                                                       
HET     ZN  A 900       1                                                       
HET    HEM  B 500      43                                                       
HET    ACT  B 860       4                                                       
HET    XFN  B 800      27                                                       
HET    CAD  B 950       3                                                       
HET    H4B  B 600      17                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     ACT ACETATE ION                                                      
HETNAM     XFN 6,6'-[(5-AMINOBENZENE-1,3-DIYL)DIETHANE-2,1-DIYL]BIS(4-          
HETNAM   2 XFN  METHYLPYRIDIN-2-AMINE)                                          
HETNAM     CAD CACODYLIC ACID                                                   
HETNAM     H4B 5,6,7,8-TETRAHYDROBIOPTERIN                                      
HETNAM      ZN ZINC ION                                                         
HETSYN     HEM HEME                                                             
HETSYN     CAD HYDROXYDIMETHYLARSINE OXIDE                                      
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  ACT    2(C2 H3 O2 1-)                                               
FORMUL   5  XFN    2(C22 H27 N5)                                                
FORMUL   6  CAD    2(C2 H7 AS O2)                                               
FORMUL   7  H4B    2(C9 H15 N5 O3)                                              
FORMUL   8   ZN    ZN 2+                                                        
FORMUL  14  HOH   *364(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  HIS A  279  1                                  11    
HELIX    9   9 PRO A  308  VAL A  312  5                                   5    
HELIX   10  10 LEU A  322  GLY A  329  5                                   8    
HELIX   11  11 SER A  361  THR A  366  1                                   6    
HELIX   12  12 THR A  366  ASP A  371  1                                   6    
HELIX   13  13 ILE A  377  MET A  385  1                                   9    
HELIX   14  14 THR A  391  SER A  394  5                                   4    
HELIX   15  15 LEU A  395  ALA A  415  1                                  21    
HELIX   16  16 ASP A  421  GLY A  441  1                                  21    
HELIX   17  17 ASP A  446  VAL A  451  1                                   6    
HELIX   18  18 SER A  455  GLN A  464  5                                  10    
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  HIS B  279  1                                  11    
HELIX   27  27 PRO B  308  VAL B  312  5                                   5    
HELIX   28  28 TRP B  324  GLY B  329  5                                   6    
HELIX   29  29 SER B  361  THR B  366  1                                   6    
HELIX   30  30 THR B  366  ASP B  371  1                                   6    
HELIX   31  31 ILE B  377  MET B  385  1                                   9    
HELIX   32  32 THR B  391  SER B  394  5                                   4    
HELIX   33  33 LEU B  395  ALA B  415  1                                  21    
HELIX   34  34 ASP B  421  GLY B  441  1                                  21    
HELIX   35  35 ASP B  446  VAL B  451  1                                   6    
HELIX   36  36 SER B  455  GLN B  464  5                                  10    
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 4 GLN A 196  ASP A 199  0                                        
SHEET    2   B 4 ALA A 229  VAL A 232  1  O  ILE A 230   N  PHE A 198           
SHEET    3   B 4 PHE A 355  SER A 356 -1  O  SER A 356   N  ALA A 229           
SHEET    4   B 4 ALA A 337  VAL A 338 -1  N  VAL A 338   O  PHE A 355           
SHEET    1   C 3 ARG A 244  ILE A 245  0                                        
SHEET    2   C 3 LEU A 293  GLN A 296 -1  O  GLN A 296   N  ARG A 244           
SHEET    3   C 3 GLU A 303  PHE A 305 -1  O  GLU A 303   N  LEU A 295           
SHEET    1   D 2 GLY A 255  ARG A 257  0                                        
SHEET    2   D 2 VAL A 263  GLY A 265 -1  O  ARG A 264   N  TYR A 256           
SHEET    1   E 2 GLU A 314  PRO A 316  0                                        
SHEET    2   E 2 ARG A 331  TYR A 333 -1  O  TRP A 332   N  VAL A 315           
SHEET    1   F 3 LEU A 348  PHE A 350  0                                        
SHEET    2   F 3 LEU A 342  ILE A 345 -1  N  LEU A 343   O  PHE A 350           
SHEET    3   F 3 ALA A 474  ARG A 476 -1  O  ARG A 476   N  LEU A 342           
SHEET    1   G 2 TYR A 359  MET A 360  0                                        
SHEET    2   G 2 ILE A 419  VAL A 420  1  O  VAL A 420   N  TYR A 359           
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  O  SER B 356   N  ALA B 229           
SHEET    4   I 4 ALA B 337  VAL B 338 -1  N  VAL B 338   O  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  O  GLN B 296   N  ARG B 244           
SHEET    3   J 3 GLU B 303  PHE B 305 -1  O  GLU B 303   N  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  N  LEU B 343   O  PHE B 350           
SHEET    3   M 3 ALA B 474  ARG B 476 -1  O  ARG B 476   N  LEU B 342           
SHEET    1   N 2 TYR B 359  MET B 360  0                                        
SHEET    2   N 2 ILE B 419  VAL B 420  1  O  VAL B 420   N  TYR B 359           
LINK         SG  CYS A  96                ZN    ZN A 900     1555   1555  2.33  
LINK         SG  CYS A 101                ZN    ZN A 900     1555   1555  2.41  
LINK         SG  CYS A 186                FE   HEM A 500     1555   1555  2.46  
LINK        ZN    ZN A 900                 SG  CYS B  96     1555   1555  2.32  
LINK        ZN    ZN A 900                 SG  CYS B 101     1555   1555  2.30  
LINK         SG  CYS B 186                FE   HEM B 500     1555   1555  2.53  
CISPEP   1 SER A  472    PRO A  473          0         1.65                     
CISPEP   2 SER B  472    PRO B  473          0        -0.15                     
SITE     1 AC1 16 TRP A 180  ARG A 185  CYS A 186  SER A 228                    
SITE     2 AC1 16 PHE A 355  SER A 356  TRP A 358  GLU A 363                    
SITE     3 AC1 16 TRP A 449  PHE A 475  TYR A 477  H4B A 600                    
SITE     4 AC1 16 XFN A 800  ACT A 860  HOH A1018  HOH A1069                    
SITE     1 AC2  8 GLY A 188  TRP A 358  VAL A 420  SER A 428                    
SITE     2 AC2  8 HEM A 500  HOH A1088  HOH A1101  HOH A1126                    
SITE     1 AC3  9 GLN A 249  VAL A 338  ASN A 340  GLY A 357                    
SITE     2 AC3  9 TRP A 358  GLU A 363  TYR A 477  HEM A 500                    
SITE     3 AC3  9 HOH A1178                                                     
SITE     1 AC4  5 THR A  85  TRP A 324  CYS A 384  GLN A 437                    
SITE     2 AC4  5 GLY A 441                                                     
SITE     1 AC5 14 SER A 104  MET A 106  ARG A 367  ALA A 448                    
SITE     2 AC5 14 TRP A 449  HEM A 500  HOH A1015  HOH A1018                    
SITE     3 AC5 14 HOH A1034  HOH A1129  HOH A1171  TRP B 447                    
SITE     4 AC5 14 PHE B 462  GLN B 464                                          
SITE     1 AC6  4 CYS A  96  CYS A 101  CYS B  96  CYS B 101                    
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  H4B B 600  XFN B 800                    
SITE     4 AC7 15 HOH B1202  HOH B1256  HOH B1276                               
SITE     1 AC8  5 TRP B 358  VAL B 420  SER B 428  HOH B1273                    
SITE     2 AC8  5 HOH B1351                                                     
SITE     1 AC9 12 TRP A  76  MET B 106  GLN B 249  PRO B 336                    
SITE     2 AC9 12 VAL B 338  GLY B 357  TRP B 358  TYR B 359                    
SITE     3 AC9 12 GLU B 363  TYR B 477  HEM B 500  HOH B1265                    
SITE     1 BC1  3 TYR B  83  TRP B 324  CYS B 384                               
SITE     1 BC2 15 TRP A 447  PHE A 462  HIS A 463  GLU A 465                    
SITE     2 BC2 15 SER B 104  ARG B 367  ALA B 448  TRP B 449                    
SITE     3 BC2 15 HEM B 500  HOH B1202  HOH B1205  HOH B1243                    
SITE     4 BC2 15 HOH B1272  HOH B1301  HOH B1306                               
CRYST1   57.965  106.605  156.770  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      0.017252  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009380  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006379        0.00000