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Database: PDB
Entry: 4UH1
LinkDB: 4UH1
Original site: 4UH1 
HEADER    OXIDOREDUCTASE                          23-MAR-15   4UH1              
TITLE     STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN COMPLEX
TITLE    2 WITH N1-(5-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3- YL)-N1, 
TITLE    3 N2-DIMETHYLETHANE-1,2-DIAMINE                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITRIC OXIDE SYNTHASE, BRAIN;                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: HEME DOMAIN, RESIDUES 297-718;                             
COMPND   5 SYNONYM: BNOS, CONSTITUTIVE NOS, NC-NOS, NOS TYPE I, NEURONAL NOS, N 
COMPND   6 -NOS, NNOS, PEPTIDYL-CYSTEINE S-NITROSYLASE NOS1, NEURONAL NITRIC    
COMPND   7 OXIDE SYNTHASE;                                                      
COMPND   8 EC: 1.14.13.39;                                                      
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR: PCWORI                                     
KEYWDS    OXIDOREDUCTASE, NITRIC OXIDE SYNTHASE, INHIBITOR COMPLEX              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LI,T.L.POULOS                                                       
REVDAT   3   10-JAN-24 4UH1    1       REMARK LINK                              
REVDAT   2   05-AUG-15 4UH1    1       JRNL                                     
REVDAT   1   15-JUL-15 4UH1    0                                                
JRNL        AUTH   S.KANG,H.LI,W.TANG,P.MARTASEK,L.J.ROMAN,T.L.POULOS,          
JRNL        AUTH 2 R.B.SILVERMAN                                                
JRNL        TITL   2-AMINOPYRIDINES WITH A TRUNCATED SIDE CHAIN TO IMPROVE      
JRNL        TITL 2 HUMAN NEURONAL NITRIC OXIDE SYNTHASE INHIBITORY POTENCY AND  
JRNL        TITL 3 SELECTIVITY.                                                 
JRNL        REF    J.MED.CHEM.                   V.  58  5548 2015              
JRNL        REFN                   ISSN 0022-2623                               
JRNL        PMID   26120733                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.5B00573                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0029                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 49.75                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 83951                          
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) : 0.201                           
REMARK   3   R VALUE            (WORKING SET) : 0.200                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 4392                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 5930                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 97.45                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2980                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 341                          
REMARK   3   BIN FREE R VALUE                    : 0.3070                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6659                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 173                                     
REMARK   3   SOLVENT ATOMS            : 456                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.03                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 37.14                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 4.89000                                              
REMARK   3    B22 (A**2) : 1.14000                                              
REMARK   3    B33 (A**2) : -6.04000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.134         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.127         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.113         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.589         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.957                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.943                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  7049 ; 0.015 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  6518 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  9596 ; 1.757 ; 1.970       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 14998 ; 0.897 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   822 ; 6.117 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   331 ;34.421 ;23.837       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1170 ;14.865 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    41 ;19.009 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   996 ; 0.114 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  7941 ; 0.010 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  1722 ; 0.007 ; 0.020       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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   299        A   860                          
REMARK   3    ORIGIN FOR THE GROUP (A):  11.4740   4.7500  22.4410              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0031 T22:   0.1960                                     
REMARK   3      T33:   0.3662 T12:  -0.0089                                     
REMARK   3      T13:   0.0076 T23:  -0.0075                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4421 L22:   0.6061                                     
REMARK   3      L33:   2.3147 L12:  -0.0249                                     
REMARK   3      L13:  -0.1641 L23:  -0.1660                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0250 S12:   0.0811 S13:   0.0150                       
REMARK   3      S21:  -0.0180 S22:  -0.0023 S23:   0.0531                       
REMARK   3      S31:  -0.0216 S32:  -0.1072 S33:   0.0273                       
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   299        B   860                          
REMARK   3    ORIGIN FOR THE GROUP (A):  12.1560   4.6280  59.6500              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0226 T22:   0.1554                                     
REMARK   3      T33:   0.3678 T12:   0.0082                                     
REMARK   3      T13:   0.0141 T23:   0.0128                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.5784 L22:   0.6529                                     
REMARK   3      L33:   1.8318 L12:  -0.0773                                     
REMARK   3      L13:  -0.1230 L23:   0.2782                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0236 S12:  -0.0222 S13:   0.0515                       
REMARK   3      S21:  -0.0834 S22:  -0.0142 S23:  -0.0180                       
REMARK   3      S31:   0.0978 S32:   0.0489 S33:   0.0378                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. U VALUES WITH TLS ADDED RESIDUES 339 TO 349 IN CHAIN     
REMARK   3  A AND 339 TO 347 IN CHAIN B ARE DISORDERED.                         
REMARK   4                                                                      
REMARK   4 4UH1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-MAR-15.                  
REMARK 100 THE DEPOSITION ID IS D_1290060799.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-SEP-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 8.2.1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.000                              
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          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 88754                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
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     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 3.900                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 28.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.83                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.46000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: 1OM4                                                 
REMARK 200                                                                      
REMARK 200 REMARK: RPIM 0.285 CC ONE HALF 0.925                                 
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.10                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20-22% PEG3350 0.1M MES, PH5.8 140-200   
REMARK 280  MM AMMONIUM ACETATE 10% ETHYLENE GLYCOL 5 MM GSH 30UM SDS           
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       26.07750            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       82.04950            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       55.54950            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       82.04950            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.07750            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       55.54950            
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: 9720 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 33230 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -87.3 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     CYS A   297                                                      
REMARK 465     PRO A   298                                                      
REMARK 465     SER A   339                                                      
REMARK 465     GLN A   340                                                      
REMARK 465     HIS A   341                                                      
REMARK 465     THR A   342                                                      
REMARK 465     ARG A   343                                                      
REMARK 465     LYS A   344                                                      
REMARK 465     PRO A   345                                                      
REMARK 465     GLU A   346                                                      
REMARK 465     ASP A   347                                                      
REMARK 465     VAL A   348                                                      
REMARK 465     ARG A   349                                                      
REMARK 465     GLY A   718                                                      
REMARK 465     CYS B   297                                                      
REMARK 465     PRO B   298                                                      
REMARK 465     SER B   339                                                      
REMARK 465     GLN B   340                                                      
REMARK 465     HIS B   341                                                      
REMARK 465     THR B   342                                                      
REMARK 465     ARG B   343                                                      
REMARK 465     LYS B   344                                                      
REMARK 465     PRO B   345                                                      
REMARK 465     GLU B   346                                                      
REMARK 465     ASP B   347                                                      
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     LYS A 717    CA   C    O    CB   CG   CD   CE                    
REMARK 470     LYS A 717    NZ                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2048     O    HOH A  2062              2.08            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    SER B 413   CB    SER B 413   OG     -0.086                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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 371   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    TYR B 441   CB  -  CG  -  CD2 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG B 481   CG  -  CD  -  NE  ANGL. DEV. =  13.1 DEGREES          
REMARK 500    ASP B 675   CB  -  CG  -  OD1 ANGL. DEV. =   6.0 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    ASP A 309       -6.81     69.38                                   
REMARK 500    LYS A 423       74.01   -104.54                                   
REMARK 500    THR A 466      -97.21   -111.33                                   
REMARK 500    ASP A 489      -22.52    -26.32                                   
REMARK 500    CYS A 582       57.69   -154.38                                   
REMARK 500    ARG A 603     -133.91   -115.48                                   
REMARK 500    CYS A 672      104.90   -161.41                                   
REMARK 500    THR B 321      -62.85   -131.58                                   
REMARK 500    LEU B 322     -179.93    -57.94                                   
REMARK 500    SER B 392       -3.29     73.48                                   
REMARK 500    THR B 466      -82.74   -113.22                                   
REMARK 500    CYS B 582       58.55   -151.32                                   
REMARK 500    ARG B 603     -135.35   -119.13                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B 900  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 326   SG                                                     
REMARK 620 2 CYS A 331   SG  110.2                                              
REMARK 620 3 CYS B 326   SG  121.1 104.2                                        
REMARK 620 4 CYS B 331   SG  104.2 102.6 113.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 750  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 415   SG                                                     
REMARK 620 2 HEM A 750   NA   89.2                                              
REMARK 620 3 HEM A 750   NB   90.0  88.8                                        
REMARK 620 4 HEM A 750   NC   93.6 177.2  91.3                                  
REMARK 620 5 HEM A 750   ND   93.0  90.8 177.0  89.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 750  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 415   SG                                                     
REMARK 620 2 HEM B 750   NA   88.8                                              
REMARK 620 3 HEM B 750   NB   91.4  87.3                                        
REMARK 620 4 HEM B 750   NC   94.4 176.7  91.8                                  
REMARK 620 5 HEM B 750   ND   91.5  92.7 177.1  88.2                            
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 750                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 760                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EXI A 800                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 860                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 750                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 760                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EXI B 800                 
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 ZN B 900                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4UGZ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN       
REMARK 900 COMPLEX WITH N1-(3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)PHENYL)-  
REMARK 900 N1,N2-DIMETHYLETHANE- 1,2-DIAMINE                                    
REMARK 900 RELATED ID: 4UH0   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN       
REMARK 900 COMPLEX WITH N1-(6-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-  
REMARK 900 2-YL)-N1,N2- DIMETHYLETHANE-1,2-DIAMINE                              
REMARK 900 RELATED ID: 4UH2   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN       
REMARK 900 COMPLEX WITH N1-(3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)-5-       
REMARK 900 (TRIFLUOROMETHYL)PHENYL)-N1 ,N2-DIMETHYLETHANE-1,2-DIAMINE           
REMARK 900 RELATED ID: 4UH3   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN       
REMARK 900 COMPLEX WITH N1-(3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)-5-       
REMARK 900 FLUOROPHENYL)-N1,N2- DIMETHYLETHANE-1,2-DIAMINE                      
REMARK 900 RELATED ID: 4UH4   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF RAT NEURONAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN       
REMARK 900 COMPLEX WITH 3-(2-(6-AMINO-4-METHYLPYRIDIN -2-YL)ETHYL)-5-(METHYL(2- 
REMARK 900 (METHYLAMINO)ETHYL)AMINO) BENZONITRILE                               
REMARK 900 RELATED ID: 4UH5   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF HUMAN NNOS R354A G357D MUTANT HEME DOMAIN IN COMPLEX    
REMARK 900 WITH N1-(5-(2-(6-AMINO-4-METHYLPYRIDIN -2-YL)ETHYL)PYRIDIN-3-YL)-N1, 
REMARK 900 N2-DIMETHYLETHANE-1, 2-DIAMINE                                       
REMARK 900 RELATED ID: 4UH6   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF HUMAN NNOS R354A G357D MUTANT HEME DOMAIN IN COMPLEX    
REMARK 900 WITH 3-(2-(6-AMINO-4-METHYLPYRIDIN-2- YL)ETHYL)-5-(METHYL(2-         
REMARK 900 (METHYLAMINO)ETHYL)AMINO) BENZONITRILE                               
REMARK 900 RELATED ID: 4UH7   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN    
REMARK 900 IN COMPLEX WITH N1-(3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)       
REMARK 900 PHENYL)-N1,N2-DIMETHYLETHANE- 1,2-DIAMINE                            
REMARK 900 RELATED ID: 4UH8   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN    
REMARK 900 IN COMPLEX WITH N1-(5-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)       
REMARK 900 PYRIDIN-3-YL)-N1,N2- DIMETHYLETHANE-1,2-DIAMINE                      
REMARK 900 RELATED ID: 4UH9   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN    
REMARK 900 IN COMPLEX WITH N1-(3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)-5-    
REMARK 900 FLUOROPHENYL)-N1,N2- DIMETHYLETHANE-1,2-DIAMINE                      
REMARK 900 RELATED ID: 4UHA   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN    
REMARK 900 IN COMPLEX WITH 3-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)-5-        
REMARK 900 (METHYL(2-(METHYLAMINO) ETHYL)AMINO)BENZONITRILE                     
DBREF  4UH1 A  297   718  UNP    P29476   NOS1_RAT       297    718             
DBREF  4UH1 B  297   718  UNP    P29476   NOS1_RAT       297    718             
SEQRES   1 A  422  CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR ASP          
SEQRES   2 A  422  VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU          
SEQRES   3 A  422  GLU THR GLY CYS THR GLU HIS ILE CYS MET GLY SER ILE          
SEQRES   4 A  422  MET LEU PRO SER GLN HIS THR ARG LYS PRO GLU ASP VAL          
SEQRES   5 A  422  ARG THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE          
SEQRES   6 A  422  LEU ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER          
SEQRES   7 A  422  LYS ALA HIS MET ASP ARG LEU GLU GLU VAL ASN LYS GLU          
SEQRES   8 A  422  ILE GLU SER THR SER THR TYR GLN LEU LYS ASP THR GLU          
SEQRES   9 A  422  LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER          
SEQRES  10 A  422  ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL          
SEQRES  11 A  422  PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE          
SEQRES  12 A  422  ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS          
SEQRES  13 A  422  GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG          
SEQRES  14 A  422  THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN          
SEQRES  15 A  422  LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER          
SEQRES  16 A  422  THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE          
SEQRES  17 A  422  CYS ILE GLN GLN GLY TRP LYS ALA PRO ARG GLY ARG PHE          
SEQRES  18 A  422  ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP          
SEQRES  19 A  422  PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU          
SEQRES  20 A  422  VAL PRO ILE ARG HIS PRO LYS PHE ASP TRP PHE LYS ASP          
SEQRES  21 A  422  LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN          
SEQRES  22 A  422  MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS          
SEQRES  23 A  422  PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL          
SEQRES  24 A  422  ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU          
SEQRES  25 A  422  GLU VAL ALA LYS LYS MET ASP LEU ASP MET ARG LYS THR          
SEQRES  26 A  422  SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN          
SEQRES  27 A  422  ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR          
SEQRES  28 A  422  ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS          
SEQRES  29 A  422  HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO          
SEQRES  30 A  422  ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER          
SEQRES  31 A  422  ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG          
SEQRES  32 A  422  LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN          
SEQRES  33 A  422  THR HIS VAL TRP LYS GLY                                      
SEQRES   1 B  422  CYS PRO ARG PHE LEU LYS VAL LYS ASN TRP GLU THR ASP          
SEQRES   2 B  422  VAL VAL LEU THR ASP THR LEU HIS LEU LYS SER THR LEU          
SEQRES   3 B  422  GLU THR GLY CYS THR GLU HIS ILE CYS MET GLY SER ILE          
SEQRES   4 B  422  MET LEU PRO SER GLN HIS THR ARG LYS PRO GLU ASP VAL          
SEQRES   5 B  422  ARG THR LYS ASP GLN LEU PHE PRO LEU ALA LYS GLU PHE          
SEQRES   6 B  422  LEU ASP GLN TYR TYR SER SER ILE LYS ARG PHE GLY SER          
SEQRES   7 B  422  LYS ALA HIS MET ASP ARG LEU GLU GLU VAL ASN LYS GLU          
SEQRES   8 B  422  ILE GLU SER THR SER THR TYR GLN LEU LYS ASP THR GLU          
SEQRES   9 B  422  LEU ILE TYR GLY ALA LYS HIS ALA TRP ARG ASN ALA SER          
SEQRES  10 B  422  ARG CYS VAL GLY ARG ILE GLN TRP SER LYS LEU GLN VAL          
SEQRES  11 B  422  PHE ASP ALA ARG ASP CYS THR THR ALA HIS GLY MET PHE          
SEQRES  12 B  422  ASN TYR ILE CYS ASN HIS VAL LYS TYR ALA THR ASN LYS          
SEQRES  13 B  422  GLY ASN LEU ARG SER ALA ILE THR ILE PHE PRO GLN ARG          
SEQRES  14 B  422  THR ASP GLY LYS HIS ASP PHE ARG VAL TRP ASN SER GLN          
SEQRES  15 B  422  LEU ILE ARG TYR ALA GLY TYR LYS GLN PRO ASP GLY SER          
SEQRES  16 B  422  THR LEU GLY ASP PRO ALA ASN VAL GLN PHE THR GLU ILE          
SEQRES  17 B  422  CYS ILE GLN GLN GLY TRP LYS ALA PRO ARG GLY ARG PHE          
SEQRES  18 B  422  ASP VAL LEU PRO LEU LEU LEU GLN ALA ASN GLY ASN ASP          
SEQRES  19 B  422  PRO GLU LEU PHE GLN ILE PRO PRO GLU LEU VAL LEU GLU          
SEQRES  20 B  422  VAL PRO ILE ARG HIS PRO LYS PHE ASP TRP PHE LYS ASP          
SEQRES  21 B  422  LEU GLY LEU LYS TRP TYR GLY LEU PRO ALA VAL SER ASN          
SEQRES  22 B  422  MET LEU LEU GLU ILE GLY GLY LEU GLU PHE SER ALA CYS          
SEQRES  23 B  422  PRO PHE SER GLY TRP TYR MET GLY THR GLU ILE GLY VAL          
SEQRES  24 B  422  ARG ASP TYR CYS ASP ASN SER ARG TYR ASN ILE LEU GLU          
SEQRES  25 B  422  GLU VAL ALA LYS LYS MET ASP LEU ASP MET ARG LYS THR          
SEQRES  26 B  422  SER SER LEU TRP LYS ASP GLN ALA LEU VAL GLU ILE ASN          
SEQRES  27 B  422  ILE ALA VAL LEU TYR SER PHE GLN SER ASP LYS VAL THR          
SEQRES  28 B  422  ILE VAL ASP HIS HIS SER ALA THR GLU SER PHE ILE LYS          
SEQRES  29 B  422  HIS MET GLU ASN GLU TYR ARG CYS ARG GLY GLY CYS PRO          
SEQRES  30 B  422  ALA ASP TRP VAL TRP ILE VAL PRO PRO MET SER GLY SER          
SEQRES  31 B  422  ILE THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR ARG          
SEQRES  32 B  422  LEU THR PRO SER PHE GLU TYR GLN PRO ASP PRO TRP ASN          
SEQRES  33 B  422  THR HIS VAL TRP LYS GLY                                      
HET    HEM  A 750      43                                                       
HET    H4B  A 760      17                                                       
HET    EXI  A 800      22                                                       
HET    ACT  A 860       4                                                       
HET    HEM  B 750      43                                                       
HET    H4B  B 760      17                                                       
HET    EXI  B 800      22                                                       
HET    ACT  B 860       4                                                       
HET     ZN  B 900       1                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     H4B 5,6,7,8-TETRAHYDROBIOPTERIN                                      
HETNAM     EXI N1-(5-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-          
HETNAM   2 EXI  YL)-N1,N2-DIMETHYLETHANE-1,2-DIAMINE                            
HETNAM     ACT ACETATE ION                                                      
HETNAM      ZN ZINC ION                                                         
HETSYN     HEM HEME                                                             
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  H4B    2(C9 H15 N5 O3)                                              
FORMUL   5  EXI    2(C17 H25 N5)                                                
FORMUL   6  ACT    2(C2 H3 O2 1-)                                               
FORMUL  11   ZN    ZN 2+                                                        
FORMUL  12  HOH   *456(H2 O)                                                    
HELIX    1   1 THR A  315  SER A  320  5                                   6    
HELIX    2   2 THR A  350  ILE A  369  1                                  20    
HELIX    3   3 SER A  374  SER A  392  1                                  19    
HELIX    4   4 LYS A  397  ASN A  411  1                                  15    
HELIX    5   5 GLY A  417  TRP A  421  5                                   5    
HELIX    6   6 THR A  434  ASN A  451  1                                  18    
HELIX    7   7 LYS A  452  ASN A  454  5                                   3    
HELIX    8   8 ASN A  498  GLN A  508  1                                  11    
HELIX    9   9 PRO A  537  VAL A  541  5                                   5    
HELIX   10  10 PHE A  551  GLY A  558  5                                   8    
HELIX   11  11 GLY A  590  VAL A  595  1                                   6    
HELIX   12  12 VAL A  595  ASP A  600  1                                   6    
HELIX   13  13 ILE A  606  MET A  614  1                                   9    
HELIX   14  14 LYS A  620  SER A  623  5                                   4    
HELIX   15  15 LEU A  624  ASP A  644  1                                  21    
HELIX   16  16 ASP A  650  GLY A  670  1                                  21    
HELIX   17  17 ASP A  675  VAL A  680  1                                   6    
HELIX   18  18 SER A  684  THR A  688  5                                   5    
HELIX   19  19 THR A  688  HIS A  692  5                                   5    
HELIX   20  20 ASP A  709  HIS A  714  1                                   6    
HELIX   21  21 THR B  315  SER B  320  5                                   6    
HELIX   22  22 THR B  350  ILE B  369  1                                  20    
HELIX   23  23 SER B  374  SER B  392  1                                  19    
HELIX   24  24 LYS B  397  ASN B  411  1                                  15    
HELIX   25  25 GLY B  417  TRP B  421  5                                   5    
HELIX   26  26 THR B  434  ASN B  451  1                                  18    
HELIX   27  27 LYS B  452  ASN B  454  5                                   3    
HELIX   28  28 ASN B  498  GLN B  508  1                                  11    
HELIX   29  29 PRO B  537  VAL B  541  5                                   5    
HELIX   30  30 PHE B  551  GLY B  558  5                                   8    
HELIX   31  31 GLY B  590  VAL B  595  1                                   6    
HELIX   32  32 VAL B  595  ASP B  600  1                                   6    
HELIX   33  33 ILE B  606  ASP B  615  1                                  10    
HELIX   34  34 LYS B  620  SER B  623  5                                   4    
HELIX   35  35 LEU B  624  ASP B  644  1                                  21    
HELIX   36  36 ASP B  650  GLY B  670  1                                  21    
HELIX   37  37 ASP B  675  VAL B  680  1                                   6    
HELIX   38  38 SER B  684  THR B  688  5                                   5    
HELIX   39  39 THR B  688  HIS B  692  5                                   5    
HELIX   40  40 ASP B  709  HIS B  714  1                                   6    
SHEET    1  AA 2 LEU A 301  LYS A 304  0                                        
SHEET    2  AA 2 VAL A 311  ASP A 314 -1  O  LEU A 312   N  VAL A 303           
SHEET    1  AB 4 GLN A 425  ASP A 428  0                                        
SHEET    2  AB 4 ALA A 458  ILE A 461  1  O  ILE A 459   N  PHE A 427           
SHEET    3  AB 4 PHE A 584  SER A 585 -1  O  SER A 585   N  ALA A 458           
SHEET    4  AB 4 ALA A 566  VAL A 567 -1  O  VAL A 567   N  PHE A 584           
SHEET    1  AC 3 ARG A 473  VAL A 474  0                                        
SHEET    2  AC 3 LEU A 522  GLN A 525 -1  O  GLN A 525   N  ARG A 473           
SHEET    3  AC 3 GLU A 532  PHE A 534 -1  O  GLU A 532   N  LEU A 524           
SHEET    1  AD 2 GLY A 484  LYS A 486  0                                        
SHEET    2  AD 2 THR A 492  GLY A 494 -1  O  LEU A 493   N  TYR A 485           
SHEET    1  AE 2 GLU A 543  PRO A 545  0                                        
SHEET    2  AE 2 LYS A 560  TYR A 562 -1  O  TRP A 561   N  VAL A 544           
SHEET    1  AF 3 LEU A 577  PHE A 579  0                                        
SHEET    2  AF 3 LEU A 571  ILE A 574 -1  O  LEU A 572   N  PHE A 579           
SHEET    3  AF 3 SER A 703  GLU A 705 -1  O  SER A 703   N  GLU A 573           
SHEET    1  AG 2 TYR A 588  MET A 589  0                                        
SHEET    2  AG 2 ILE A 648  VAL A 649  1  N  VAL A 649   O  TYR A 588           
SHEET    1  BA 2 LEU B 301  LYS B 304  0                                        
SHEET    2  BA 2 VAL B 311  ASP B 314 -1  O  LEU B 312   N  VAL B 303           
SHEET    1  BB 4 GLN B 425  ASP B 428  0                                        
SHEET    2  BB 4 ALA B 458  ILE B 461  1  O  ILE B 459   N  PHE B 427           
SHEET    3  BB 4 PHE B 584  SER B 585 -1  O  SER B 585   N  ALA B 458           
SHEET    4  BB 4 ALA B 566  VAL B 567 -1  O  VAL B 567   N  PHE B 584           
SHEET    1  BC 3 ARG B 473  VAL B 474  0                                        
SHEET    2  BC 3 LEU B 522  GLN B 525 -1  O  GLN B 525   N  ARG B 473           
SHEET    3  BC 3 GLU B 532  PHE B 534 -1  O  GLU B 532   N  LEU B 524           
SHEET    1  BD 2 GLY B 484  LYS B 486  0                                        
SHEET    2  BD 2 THR B 492  GLY B 494 -1  O  LEU B 493   N  TYR B 485           
SHEET    1  BE 2 GLU B 543  PRO B 545  0                                        
SHEET    2  BE 2 LYS B 560  TYR B 562 -1  O  TRP B 561   N  VAL B 544           
SHEET    1  BF 3 LEU B 577  PHE B 579  0                                        
SHEET    2  BF 3 LEU B 571  ILE B 574 -1  O  LEU B 572   N  PHE B 579           
SHEET    3  BF 3 SER B 703  GLU B 705 -1  O  SER B 703   N  GLU B 573           
SHEET    1  BG 2 TYR B 588  MET B 589  0                                        
SHEET    2  BG 2 ILE B 648  VAL B 649  1  N  VAL B 649   O  TYR B 588           
LINK         SG  CYS A 326                ZN    ZN B 900     1555   1555  2.44  
LINK         SG  CYS A 331                ZN    ZN B 900     1555   1555  2.40  
LINK         SG  CYS A 415                FE   HEM A 750     1555   1555  2.53  
LINK         SG  CYS B 326                ZN    ZN B 900     1555   1555  2.34  
LINK         SG  CYS B 331                ZN    ZN B 900     1555   1555  2.42  
LINK         SG  CYS B 415                FE   HEM B 750     1555   1555  2.52  
CISPEP   1 THR A  701    PRO A  702          0        -5.81                     
CISPEP   2 THR B  701    PRO B  702          0        -2.39                     
SITE     1 AC1 17 TRP A 409  CYS A 415  VAL A 416  SER A 457                    
SITE     2 AC1 17 PHE A 584  SER A 585  TRP A 587  GLU A 592                    
SITE     3 AC1 17 TRP A 678  TYR A 706  H4B A 760  EXI A 800                    
SITE     4 AC1 17 HOH A2195  HOH A2196  HOH A2197  HOH A2198                    
SITE     5 AC1 17 HOH A2199                                                     
SITE     1 AC2 15 SER A 334  ARG A 596  VAL A 677  TRP A 678                    
SITE     2 AC2 15 HEM A 750  HOH A2017  HOH A2146  HOH A2147                    
SITE     3 AC2 15 HOH A2180  HOH A2198  TRP B 676  PHE B 691                    
SITE     4 AC2 15 HIS B 692  GLN B 693  GLU B 694                               
SITE     1 AC3 10 GLN A 478  ARG A 481  TYR A 562  PHE A 584                    
SITE     2 AC3 10 GLY A 586  TRP A 587  TYR A 588  GLU A 592                    
SITE     3 AC3 10 HEM A 750  HOH A2198                                          
SITE     1 AC4  2 TRP A 587  HOH A2058                                          
SITE     1 AC5 18 TRP B 409  CYS B 415  SER B 457  PHE B 584                    
SITE     2 AC5 18 SER B 585  GLY B 586  TRP B 587  GLU B 592                    
SITE     3 AC5 18 TRP B 678  TYR B 706  H4B B 760  EXI B 800                    
SITE     4 AC5 18 HOH B2073  HOH B2248  HOH B2253  HOH B2254                    
SITE     5 AC5 18 HOH B2255  HOH B2256                                          
SITE     1 AC6 13 TRP A 676  PHE A 691  HIS A 692  GLU A 694                    
SITE     2 AC6 13 SER B 334  ARG B 596  VAL B 677  TRP B 678                    
SITE     3 AC6 13 HEM B 750  HOH B2018  HOH B2216  HOH B2242                    
SITE     4 AC6 13 HOH B2256                                                     
SITE     1 AC7 14 GLN B 478  ARG B 481  TYR B 562  PRO B 565                    
SITE     2 AC7 14 VAL B 567  PHE B 584  TRP B 587  TYR B 588                    
SITE     3 AC7 14 GLU B 592  ARG B 603  HEM B 750  HOH B2019                    
SITE     4 AC7 14 HOH B2214  HOH B2256                                          
SITE     1 AC8  6 TRP B 587  VAL B 649  HOH B2075  HOH B2080                    
SITE     2 AC8  6 HOH B2232  HOH B2257                                          
SITE     1 AC9  4 CYS A 326  CYS A 331  CYS B 326  CYS B 331                    
CRYST1   52.155  111.099  164.099  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      0.019174  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009001  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006094        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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