HEADER    OXIDOREDUCTASE                          16-NOV-99   1DF1              
TITLE     MURINE INOSOXY DIMER WITH ISOTHIOUREA BOUND IN THE ACTIVE SITE        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITRIC OXIDE SYNTHASE;                                     
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: NOS;                                                        
COMPND   5 EC: 1.14.13.39;                                                      
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: HOUSE MOUSE;                                        
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 CELL: MACROPHAGE;                                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PCWORI                                     
KEYWDS    NITRIC OXIDE L-ARGININE MONOOXYGENASE, NOS, HEME, ISOTHIOUREA, INOS,  
KEYWDS   2 OXIDOREDUCTASE                                                       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.R.CRANE,R.J.ROSENFELD,A.S.ARVAI,D.K.GHOSH,S.GHOSH,J.A.TAINER,       
AUTHOR   2 D.J.STUEHR,E.D.GETZOFF                                               
REVDAT   6   07-FEB-24 1DF1    1       REMARK LINK   ATOM                       
REVDAT   5   31-JAN-18 1DF1    1       REMARK                                   
REVDAT   4   13-JUL-11 1DF1    1       VERSN                                    
REVDAT   3   24-FEB-09 1DF1    1       VERSN                                    
REVDAT   2   01-APR-03 1DF1    1       JRNL                                     
REVDAT   1   08-DEC-99 1DF1    0                                                
JRNL        AUTH   B.R.CRANE,R.J.ROSENFELD,A.S.ARVAI,D.K.GHOSH,S.GHOSH,         
JRNL        AUTH 2 J.A.TAINER,D.J.STUEHR,E.D.GETZOFF                            
JRNL        TITL   N-TERMINAL DOMAIN SWAPPING AND METAL ION BINDING IN NITRIC   
JRNL        TITL 2 OXIDE SYNTHASE DIMERIZATION.                                 
JRNL        REF    EMBO J.                       V.  18  6271 1999              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   10562539                                                     
JRNL        DOI    10.1093/EMBOJ/18.22.6271                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   B.R.CRANE,A.S.ARVAI,D.K.GHOSH,C.WU,E.D.GETZOFF,D.J.STUEHR,   
REMARK   1  AUTH 2 J.A.TAINER                                                   
REMARK   1  TITL   STRUCTURE OF NITRIC OXIDE SYNTHASE OXYGENASE DIMER WITH      
REMARK   1  TITL 2 PTERIN AND SUBSTRATE                                         
REMARK   1  REF    SCIENCE                       V. 279  2121 1998              
REMARK   1  REFN                   ISSN 0036-8075                               
REMARK   1  DOI    10.1126/SCIENCE.279.5359.2121                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.35 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 255531                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.223                           
REMARK   3   FREE R VALUE                     : 0.298                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 12777                           
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6846                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 134                                     
REMARK   3   SOLVENT ATOMS            : 218                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 47.39                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 1.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1DF1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-NOV-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000010028.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-MAR-98                          
REMARK 200  TEMPERATURE           (KELVIN) : 200.0                              
REMARK 200  PH                             : 5.3                                
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                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 255531                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.350                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.2                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.05600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 22.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.43                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.00                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32100                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 67.78                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.82                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: LI2SO4, BOG, MES, PH 5.3, VAPOR          
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 277.0K                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+5/6                                            
REMARK 290       6555   X-Y,X,Z+1/6                                             
REMARK 290       7555   Y,X,-Z+1/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+2/3                                          
REMARK 290      10555   -Y,-X,-Z+5/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+1/6                                            
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       37.58400            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       75.16800            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       56.37600            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       93.96000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       18.79200            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       37.58400            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       75.16800            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       93.96000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       56.37600            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       18.79200            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 10310 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 34230 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -199.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000      214.46400            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       56.37600            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 9970 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 33470 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -132.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000      321.69600            
REMARK 350   BIOMT2   2 -0.866025  0.500000  0.000000      185.73127            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      187.92000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 ZN    ZN A 900  LIES ON A SPECIAL POSITION.                          
REMARK 375 ZN    ZN B 900  LIES ON A SPECIAL POSITION.                          
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     ASN A   497                                                      
REMARK 465     GLU A   498                                                      
REMARK 465     LYS A   499                                                      
REMARK 465     ASN B   497                                                      
REMARK 465     GLU B   498                                                      
REMARK 465     LYS B   499                                                      
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     GLN A 496    O                                                   
REMARK 470     GLN B 496    O                                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1101     O    HOH A  1101    11655     0.33            
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    PRO A 489   C   -  N   -  CA  ANGL. DEV. =   9.2 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    THR A  99      -92.78    -34.34                                   
REMARK 500    PRO A 127      176.39    -57.99                                   
REMARK 500    GLU A 150       84.61     71.99                                   
REMARK 500    TRP A 200      -36.52    -36.06                                   
REMARK 500    SER A 212      -25.36   -141.81                                   
REMARK 500    ASN A 230       29.16     48.46                                   
REMARK 500    SER A 245      -90.95   -101.23                                   
REMARK 500    ASP A 268       21.45    -71.40                                   
REMARK 500    THR A 270     -162.54    -68.42                                   
REMARK 500    TYR A 293       35.08     22.20                                   
REMARK 500    ASP A 306     -126.50     50.20                                   
REMARK 500    GLN A 308      163.98    -38.18                                   
REMARK 500    PRO A 328       21.52    -73.61                                   
REMARK 500    LYS A 329      -59.42   -151.50                                   
REMARK 500    GLU A 335        4.53    -69.42                                   
REMARK 500    CYS A 361       64.07   -163.23                                   
REMARK 500    ARG A 382     -133.26   -119.43                                   
REMARK 500    LEU A 395      134.96     11.70                                   
REMARK 500    LEU A 479     -165.41   -100.83                                   
REMARK 500    THR B  99     -149.67    -84.76                                   
REMARK 500    SER B 100      137.99     52.57                                   
REMARK 500    PHE B 102      171.20    -54.06                                   
REMARK 500    ASN B 115       68.78   -116.91                                   
REMARK 500    GLU B 150       86.06     53.93                                   
REMARK 500    ARG B 197        4.70    -68.64                                   
REMARK 500    SER B 245      -78.01   -103.46                                   
REMARK 500    ASP B 306     -110.10     47.59                                   
REMARK 500    GLN B 308      165.46    -43.39                                   
REMARK 500    LYS B 329      -51.27   -131.85                                   
REMARK 500    CYS B 361       74.12   -157.22                                   
REMARK 500    ARG B 382     -130.23   -121.78                                   
REMARK 500    GLN B 423       21.40    -77.40                                   
REMARK 500    ARG B 448       14.52   -140.36                                   
REMARK 500    PRO B 461        0.10    -64.51                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    ASP B 101         13.50                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 900  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 104   SG                                                     
REMARK 620 2 CYS A 104   SG  131.4                                              
REMARK 620 3 CYS A 109   SG  108.3  99.8                                        
REMARK 620 4 CYS A 109   SG  104.9 113.2  91.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 901  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 194   SG                                                     
REMARK 620 2 HEM A 901   NA  109.3                                              
REMARK 620 3 HEM A 901   NB   99.2  90.5                                        
REMARK 620 4 HEM A 901   NC   98.1 152.5  87.7                                  
REMARK 620 5 HEM A 901   ND  100.7  87.3 159.5  84.9                            
REMARK 620 N                    1     2     3     4                             
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 B 104   SG                                                     
REMARK 620 2 CYS B 104   SG   89.0                                              
REMARK 620 3 CYS B 109   SG  114.9 104.1                                        
REMARK 620 4 CYS B 109   SG  103.2 111.6 127.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 901  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 194   SG                                                     
REMARK 620 2 HEM B 901   NA  113.4                                              
REMARK 620 3 HEM B 901   NB   93.4  88.5                                        
REMARK 620 4 HEM B 901   NC   91.0 155.6  90.0                                  
REMARK 620 5 HEM B 901   ND  104.2  87.1 162.1  86.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 900                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 900                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B A 902                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU A 899                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H4B B 1902                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ITU B 1899                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1NOD   RELATED DB: PDB                                   
REMARK 900 MURINE INOSOX DIMER WITH PTERIN AND L-ARGININE                       
REMARK 900 RELATED ID: 2NOD   RELATED DB: PDB                                   
REMARK 900 MURINE INOSOX DIMER WITH PTERIN BOUND                                
REMARK 900 RELATED ID: 3NOD   RELATED DB: PDB                                   
REMARK 900 MUSINE INOSOX DIMER WITH PTERIN AND THIOUCITRULINE BOUND             
REMARK 900 RELATED ID: 1QOM   RELATED DB: PDB                                   
REMARK 900 MURINE INOSOX DIMER WITH SWAPPED N-TERMINAL HOOKS                    
DBREF  1DF1 A   77   499  UNP    P29477   NOS2_MOUSE      77    499             
DBREF  1DF1 B   77   499  UNP    P29477   NOS2_MOUSE      77    499             
SEQRES   1 A  423  GLN TYR VAL ARG ILE LYS ASN TRP GLY SER GLY GLU ILE          
SEQRES   2 A  423  LEU HIS ASP THR LEU HIS HIS LYS ALA THR SER ASP PHE          
SEQRES   3 A  423  THR CYS LYS SER LYS SER CYS LEU GLY SER ILE MET ASN          
SEQRES   4 A  423  PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO THR          
SEQRES   5 A  423  PRO LEU GLU GLU LEU LEU PRO HIS ALA ILE GLU PHE ILE          
SEQRES   6 A  423  ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE GLU          
SEQRES   7 A  423  GLU HIS LEU ALA ARG LEU GLU ALA VAL THR LYS GLU ILE          
SEQRES   8 A  423  GLU THR THR GLY THR TYR GLN LEU THR LEU ASP GLU LEU          
SEQRES   9 A  423  ILE PHE ALA THR LYS MET ALA TRP ARG ASN ALA PRO ARG          
SEQRES  10 A  423  CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL PHE          
SEQRES  11 A  423  ASP ALA ARG ASN CYS SER THR ALA GLN GLU MET PHE GLN          
SEQRES  12 A  423  HIS ILE CYS ARG HIS ILE LEU TYR ALA THR ASN ASN GLY          
SEQRES  13 A  423  ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SER          
SEQRES  14 A  423  ASP GLY LYS HIS ASP PHE ARG LEU TRP ASN SER GLN LEU          
SEQRES  15 A  423  ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY THR ILE          
SEQRES  16 A  423  ARG GLY ASP ALA ALA THR LEU GLU PHE THR GLN LEU CYS          
SEQRES  17 A  423  ILE ASP LEU GLY TRP LYS PRO ARG TYR GLY ARG PHE ASP          
SEQRES  18 A  423  VAL LEU PRO LEU VAL LEU GLN ALA ASP GLY GLN ASP PRO          
SEQRES  19 A  423  GLU VAL PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU VAL          
SEQRES  20 A  423  THR MET GLU HIS PRO LYS TYR GLU TRP PHE GLN GLU LEU          
SEQRES  21 A  423  GLY LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN MET          
SEQRES  22 A  423  LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO ALA CYS PRO          
SEQRES  23 A  423  PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL ARG          
SEQRES  24 A  423  ASP PHE CYS ASP THR GLN ARG TYR ASN ILE LEU GLU GLU          
SEQRES  25 A  423  VAL GLY ARG ARG MET GLY LEU GLU THR HIS THR LEU ALA          
SEQRES  26 A  423  SER LEU TRP LYS ASP ARG ALA VAL THR GLU ILE ASN VAL          
SEQRES  27 A  423  ALA VAL LEU HIS SER PHE GLN LYS GLN ASN VAL THR ILE          
SEQRES  28 A  423  MET ASP HIS HIS THR ALA SER GLU SER PHE MET LYS HIS          
SEQRES  29 A  423  MET GLN ASN GLU TYR ARG ALA ARG GLY GLY CYS PRO ALA          
SEQRES  30 A  423  ASP TRP ILE TRP LEU VAL PRO PRO VAL SER GLY SER ILE          
SEQRES  31 A  423  THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL LEU          
SEQRES  32 A  423  SER PRO PHE TYR TYR TYR GLN ILE GLU PRO TRP LYS THR          
SEQRES  33 A  423  HIS ILE TRP GLN ASN GLU LYS                                  
SEQRES   1 B  423  GLN TYR VAL ARG ILE LYS ASN TRP GLY SER GLY GLU ILE          
SEQRES   2 B  423  LEU HIS ASP THR LEU HIS HIS LYS ALA THR SER ASP PHE          
SEQRES   3 B  423  THR CYS LYS SER LYS SER CYS LEU GLY SER ILE MET ASN          
SEQRES   4 B  423  PRO LYS SER LEU THR ARG GLY PRO ARG ASP LYS PRO THR          
SEQRES   5 B  423  PRO LEU GLU GLU LEU LEU PRO HIS ALA ILE GLU PHE ILE          
SEQRES   6 B  423  ASN GLN TYR TYR GLY SER PHE LYS GLU ALA LYS ILE GLU          
SEQRES   7 B  423  GLU HIS LEU ALA ARG LEU GLU ALA VAL THR LYS GLU ILE          
SEQRES   8 B  423  GLU THR THR GLY THR TYR GLN LEU THR LEU ASP GLU LEU          
SEQRES   9 B  423  ILE PHE ALA THR LYS MET ALA TRP ARG ASN ALA PRO ARG          
SEQRES  10 B  423  CYS ILE GLY ARG ILE GLN TRP SER ASN LEU GLN VAL PHE          
SEQRES  11 B  423  ASP ALA ARG ASN CYS SER THR ALA GLN GLU MET PHE GLN          
SEQRES  12 B  423  HIS ILE CYS ARG HIS ILE LEU TYR ALA THR ASN ASN GLY          
SEQRES  13 B  423  ASN ILE ARG SER ALA ILE THR VAL PHE PRO GLN ARG SER          
SEQRES  14 B  423  ASP GLY LYS HIS ASP PHE ARG LEU TRP ASN SER GLN LEU          
SEQRES  15 B  423  ILE ARG TYR ALA GLY TYR GLN MET PRO ASP GLY THR ILE          
SEQRES  16 B  423  ARG GLY ASP ALA ALA THR LEU GLU PHE THR GLN LEU CYS          
SEQRES  17 B  423  ILE ASP LEU GLY TRP LYS PRO ARG TYR GLY ARG PHE ASP          
SEQRES  18 B  423  VAL LEU PRO LEU VAL LEU GLN ALA ASP GLY GLN ASP PRO          
SEQRES  19 B  423  GLU VAL PHE GLU ILE PRO PRO ASP LEU VAL LEU GLU VAL          
SEQRES  20 B  423  THR MET GLU HIS PRO LYS TYR GLU TRP PHE GLN GLU LEU          
SEQRES  21 B  423  GLY LEU LYS TRP TYR ALA LEU PRO ALA VAL ALA ASN MET          
SEQRES  22 B  423  LEU LEU GLU VAL GLY GLY LEU GLU PHE PRO ALA CYS PRO          
SEQRES  23 B  423  PHE ASN GLY TRP TYR MET GLY THR GLU ILE GLY VAL ARG          
SEQRES  24 B  423  ASP PHE CYS ASP THR GLN ARG TYR ASN ILE LEU GLU GLU          
SEQRES  25 B  423  VAL GLY ARG ARG MET GLY LEU GLU THR HIS THR LEU ALA          
SEQRES  26 B  423  SER LEU TRP LYS ASP ARG ALA VAL THR GLU ILE ASN VAL          
SEQRES  27 B  423  ALA VAL LEU HIS SER PHE GLN LYS GLN ASN VAL THR ILE          
SEQRES  28 B  423  MET ASP HIS HIS THR ALA SER GLU SER PHE MET LYS HIS          
SEQRES  29 B  423  MET GLN ASN GLU TYR ARG ALA ARG GLY GLY CYS PRO ALA          
SEQRES  30 B  423  ASP TRP ILE TRP LEU VAL PRO PRO VAL SER GLY SER ILE          
SEQRES  31 B  423  THR PRO VAL PHE HIS GLN GLU MET LEU ASN TYR VAL LEU          
SEQRES  32 B  423  SER PRO PHE TYR TYR TYR GLN ILE GLU PRO TRP LYS THR          
SEQRES  33 B  423  HIS ILE TRP GLN ASN GLU LYS                                  
HET     ZN  A 900       1                                                       
HET    HEM  A 901      43                                                       
HET    H4B  A 902      17                                                       
HET    ITU  A 899       6                                                       
HET     ZN  B 900       1                                                       
HET    HEM  B 901      43                                                       
HET    H4B  B1902      17                                                       
HET    ITU  B1899       6                                                       
HETNAM      ZN ZINC ION                                                         
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     H4B 5,6,7,8-TETRAHYDROBIOPTERIN                                      
HETNAM     ITU ETHYLISOTHIOUREA                                                 
HETSYN     HEM HEME                                                             
FORMUL   3   ZN    2(ZN 2+)                                                     
FORMUL   4  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   5  H4B    2(C9 H15 N5 O3)                                              
FORMUL   6  ITU    2(C3 H8 N2 S)                                                
FORMUL  11  HOH   *218(H2 O)                                                    
HELIX    1   1 THR A   93  ALA A   98  5                                   6    
HELIX    2   2 PRO A  116  LEU A  119  5                                   4    
HELIX    3   3 PRO A  129  GLY A  146  1                                  18    
HELIX    4   4 LYS A  152  GLY A  171  1                                  20    
HELIX    5   5 THR A  176  ASN A  190  1                                  15    
HELIX    6   6 GLY A  196  TRP A  200  5                                   5    
HELIX    7   7 THR A  213  ASN A  230  1                                  18    
HELIX    8   8 ASN A  231  ASN A  233  5                                   3    
HELIX    9   9 THR A  277  LEU A  287  1                                  11    
HELIX   10  10 PHE A  333  GLY A  337  5                                   5    
HELIX   11  11 MET A  368  VAL A  374  1                                   7    
HELIX   12  12 VAL A  374  ASP A  379  1                                   6    
HELIX   13  13 ILE A  385  ARG A  392  1                                   8    
HELIX   14  14 THR A  399  SER A  402  5                                   4    
HELIX   15  15 LEU A  403  GLN A  423  1                                  21    
HELIX   16  16 ASP A  429  GLY A  449  1                                  21    
HELIX   17  17 ASP A  454  VAL A  459  1                                   6    
HELIX   18  18 SER A  463  THR A  467  5                                   5    
HELIX   19  19 THR A  467  HIS A  471  5                                   5    
HELIX   20  20 GLU A  488  THR A  492  5                                   5    
HELIX   21  21 THR B   93  ALA B   98  5                                   6    
HELIX   22  22 PRO B  116  LEU B  119  5                                   4    
HELIX   23  23 PRO B  129  GLY B  146  1                                  18    
HELIX   24  24 LYS B  152  GLY B  171  1                                  20    
HELIX   25  25 THR B  176  ASN B  190  1                                  15    
HELIX   26  26 GLY B  196  TRP B  200  5                                   5    
HELIX   27  27 THR B  213  ASN B  230  1                                  18    
HELIX   28  28 ASN B  231  ASN B  233  5                                   3    
HELIX   29  29 THR B  277  LEU B  287  1                                  11    
HELIX   30  30 PRO B  316  VAL B  320  5                                   5    
HELIX   31  31 PHE B  333  GLY B  337  5                                   5    
HELIX   32  32 MET B  368  VAL B  374  1                                   7    
HELIX   33  33 VAL B  374  ASP B  379  1                                   6    
HELIX   34  34 ILE B  385  ARG B  392  1                                   8    
HELIX   35  35 THR B  399  SER B  402  5                                   4    
HELIX   36  36 LEU B  403  GLN B  423  1                                  21    
HELIX   37  37 ASP B  429  GLY B  449  1                                  21    
HELIX   38  38 ASP B  454  VAL B  459  1                                   6    
HELIX   39  39 THR B  467  HIS B  471  5                                   5    
HELIX   40  40 GLU B  488  THR B  492  5                                   5    
SHEET    1   A 2 VAL A  79  LYS A  82  0                                        
SHEET    2   A 2 ILE A  89  ASP A  92 -1  O  LEU A  90   N  ILE A  81           
SHEET    1   B 4 GLN A 204  ASP A 207  0                                        
SHEET    2   B 4 ALA A 237  VAL A 240  1  O  ILE A 238   N  PHE A 206           
SHEET    3   B 4 PHE A 363  ASN A 364 -1  N  ASN A 364   O  ALA A 237           
SHEET    4   B 4 ALA A 345  VAL A 346 -1  O  VAL A 346   N  PHE A 363           
SHEET    1   C 3 ARG A 252  LEU A 253  0                                        
SHEET    2   C 3 LEU A 301  GLN A 304 -1  N  GLN A 304   O  ARG A 252           
SHEET    3   C 3 GLU A 311  PHE A 313 -1  N  GLU A 311   O  LEU A 303           
SHEET    1   D 2 GLY A 263  TYR A 264  0                                        
SHEET    2   D 2 ARG A 272  GLY A 273 -1  N  ARG A 272   O  TYR A 264           
SHEET    1   E 2 GLU A 322  THR A 324  0                                        
SHEET    2   E 2 LYS A 339  TYR A 341 -1  N  TRP A 340   O  VAL A 323           
SHEET    1   F 3 LEU A 356  PHE A 358  0                                        
SHEET    2   F 3 LEU A 350  VAL A 353 -1  O  LEU A 351   N  PHE A 358           
SHEET    3   F 3 PHE A 482  TYR A 484 -1  O  PHE A 482   N  GLU A 352           
SHEET    1   G 2 VAL B  79  LYS B  82  0                                        
SHEET    2   G 2 ILE B  89  ASP B  92 -1  O  LEU B  90   N  ILE B  81           
SHEET    1   H 4 GLN B 204  ASP B 207  0                                        
SHEET    2   H 4 ALA B 237  VAL B 240  1  O  ILE B 238   N  PHE B 206           
SHEET    3   H 4 PHE B 363  ASN B 364 -1  N  ASN B 364   O  ALA B 237           
SHEET    4   H 4 ALA B 345  VAL B 346 -1  O  VAL B 346   N  PHE B 363           
SHEET    1   I 3 ARG B 252  LEU B 253  0                                        
SHEET    2   I 3 LEU B 301  GLN B 304 -1  N  GLN B 304   O  ARG B 252           
SHEET    3   I 3 GLU B 311  PHE B 313 -1  N  GLU B 311   O  LEU B 303           
SHEET    1   J 2 GLY B 263  GLN B 265  0                                        
SHEET    2   J 2 ILE B 271  GLY B 273 -1  N  ARG B 272   O  TYR B 264           
SHEET    1   K 2 GLU B 322  THR B 324  0                                        
SHEET    2   K 2 LYS B 339  TYR B 341 -1  O  TRP B 340   N  VAL B 323           
SHEET    1   L 3 LEU B 356  PHE B 358  0                                        
SHEET    2   L 3 LEU B 350  VAL B 353 -1  O  LEU B 351   N  PHE B 358           
SHEET    3   L 3 PHE B 482  TYR B 484 -1  O  PHE B 482   N  GLU B 352           
LINK         SG  CYS A 104                ZN    ZN A 900     1555   1555  2.23  
LINK         SG  CYS A 104                ZN    ZN A 900    11655   1555  2.24  
LINK         SG  CYS A 109                ZN    ZN A 900     1555   1555  2.27  
LINK         SG  CYS A 109                ZN    ZN A 900    11655   1555  2.12  
LINK         SG  CYS A 194                FE   HEM A 901     1555   1555  2.47  
LINK         SG  CYS B 104                ZN    ZN B 900     1555   1555  2.24  
LINK         SG  CYS B 104                ZN    ZN B 900     9766   1555  2.27  
LINK         SG  CYS B 109                ZN    ZN B 900     1555   1555  2.19  
LINK         SG  CYS B 109                ZN    ZN B 900     9766   1555  2.25  
LINK         SG  CYS B 194                FE   HEM B 901     1555   1555  2.39  
CISPEP   1 SER A  480    PRO A  481          0         2.06                     
CISPEP   2 SER B  480    PRO B  481          0         0.78                     
SITE     1 AC1  2 CYS A 104  CYS A 109                                          
SITE     1 AC2  2 CYS B 104  CYS B 109                                          
SITE     1 AC3 16 TRP A 188  CYS A 194  SER A 236  PHE A 363                    
SITE     2 AC3 16 ASN A 364  GLY A 365  TRP A 366  GLU A 371                    
SITE     3 AC3 16 TRP A 457  TYR A 485  ITU A 899  H4B A 902                    
SITE     4 AC3 16 HOH A 977  HOH A1033  HOH A1095  HOH A1131                    
SITE     1 AC4 12 SER A 112  ARG A 375  TRP A 455  ILE A 456                    
SITE     2 AC4 12 TRP A 457  PHE A 470  HIS A 471  HEM A 901                    
SITE     3 AC4 12 HOH A 977  HOH A 978  HOH A 980  HOH A1058                    
SITE     1 AC5  7 PRO A 344  VAL A 346  PHE A 363  TRP A 366                    
SITE     2 AC5  7 GLU A 371  HEM A 901  HOH A1094                               
SITE     1 AC6 16 TRP B 188  CYS B 194  SER B 236  PHE B 363                    
SITE     2 AC6 16 ASN B 364  TRP B 366  GLU B 371  TRP B 457                    
SITE     3 AC6 16 TYR B 485  HOH B1001  HOH B1090  HOH B1115                    
SITE     4 AC6 16 HOH B1117  HOH B1123  ITU B1899  H4B B1902                    
SITE     1 AC7 13 SER B 112  ARG B 375  TRP B 455  ILE B 456                    
SITE     2 AC7 13 TRP B 457  PHE B 470  HIS B 471  GLU B 473                    
SITE     3 AC7 13 HEM B 901  HOH B 968  HOH B1001  HOH B1019                    
SITE     4 AC7 13 HOH B1025                                                     
SITE     1 AC8 11 VAL B 346  TRP B 366  TYR B 367  GLU B 371                    
SITE     2 AC8 11 HEM B 901  HOH B 945  HOH B 999  HOH B1000                    
SITE     3 AC8 11 HOH B1123  HOH B1124  HOH B1125                               
CRYST1  214.464  214.464  112.752  90.00  90.00 120.00 P 61 2 2     24          
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      0.004663  0.002692  0.000000        0.00000                         
SCALE2      0.000000  0.005384  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008869        0.00000