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Database: PDB
Entry: 6AV6
LinkDB: 6AV6
Original site: 6AV6 
HEADER    OXIDOREDUCTASE                          01-SEP-17   6AV6              
TITLE     STRUCTURE OF HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN IN   
TITLE    2 COMPLEX WITH 6-(3-FLUORO-5-(3-(METHYLAMINO)PROPYL)PHENETHYL)-4-      
TITLE    3 METHYLPYRIDIN-2-AMINE                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITRIC OXIDE SYNTHASE, ENDOTHELIAL;                        
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 FRAGMENT: UNP RESIDUES 41-480;                                       
COMPND   5 SYNONYM: CONSTITUTIVE NOS,CNOS,EC-NOS,ENDOTHELIAL NOS,ENOS,NOS TYPE  
COMPND   6 III,NOSIII;                                                          
COMPND   7 EC: 1.14.13.39;                                                      
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 OTHER_DETAILS: RESIDUES 108 TO 119 ARE DISORDERED. THE N-TERMINAL    
COMPND  10 RESIDUES 41 TO 67 ARE INVISIBLE IN DENSITY.                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 CELL: ENDOTHELIAL;                                                   
SOURCE   6 GENE: NOS3;                                                          
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PCWORI                                    
KEYWDS    NITRIC OXIDE SYNTHASE INHIBITOR COMPLEX HEME ENZYME, OXIDOREDUCTASE   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.LI,T.L.POULOS                                                       
REVDAT   4   04-OCT-23 6AV6    1       LINK                                     
REVDAT   3   25-DEC-19 6AV6    1       REMARK                                   
REVDAT   2   20-FEB-19 6AV6    1       REMARK                                   
REVDAT   1   11-JUL-18 6AV6    0                                                
JRNL        AUTH   H.T.DO,H.Y.WANG,H.LI,G.CHREIFI,T.L.POULOS,R.B.SILVERMAN      
JRNL        TITL   IMPROVEMENT OF CELL PERMEABILITY OF HUMAN NEURONAL NITRIC    
JRNL        TITL 2 OXIDE SYNTHASE INHIBITORS USING POTENT AND SELECTIVE         
JRNL        TITL 3 2-AMINOPYRIDINE-BASED SCAFFOLDS WITH A FLUOROBENZENE LINKER. 
JRNL        REF    J. MED. CHEM.                 V.  60  9360 2017              
JRNL        REFN                   ISSN 1520-4804                               
JRNL        PMID   29091437                                                     
JRNL        DOI    10.1021/ACS.JMEDCHEM.7B01356                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.08 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX 1.9_1692                                      
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.08                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 39.13                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 115661                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.197                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.239                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.030                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5817                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 39.1377 -  6.4537    0.99     7288   350  0.1797 0.1716        
REMARK   3     2  6.4537 -  5.1262    1.00     7333   372  0.1585 0.2023        
REMARK   3     3  5.1262 -  4.4792    0.99     7258   378  0.1352 0.1800        
REMARK   3     4  4.4792 -  4.0702    1.00     7322   368  0.1430 0.1797        
REMARK   3     5  4.0702 -  3.7787    1.00     7269   386  0.1540 0.1871        
REMARK   3     6  3.7787 -  3.5561    1.00     7306   396  0.1765 0.2276        
REMARK   3     7  3.5561 -  3.3781    1.00     7271   399  0.1920 0.2422        
REMARK   3     8  3.3781 -  3.2311    0.99     7207   396  0.2086 0.2761        
REMARK   3     9  3.2311 -  3.1068    0.99     7267   358  0.2180 0.2763        
REMARK   3    10  3.1068 -  2.9996    1.00     7292   336  0.2158 0.3063        
REMARK   3    11  2.9996 -  2.9058    0.99     7335   352  0.2234 0.2696        
REMARK   3    12  2.9058 -  2.8228    1.00     7249   420  0.2259 0.2661        
REMARK   3    13  2.8228 -  2.7485    0.99     7247   353  0.2240 0.2978        
REMARK   3    14  2.7485 -  2.6815    0.99     7245   384  0.2179 0.2627        
REMARK   3    15  2.6815 -  2.6205    0.99     7216   444  0.2225 0.2772        
REMARK   3    16  2.6205 -  2.5648    0.99     7208   411  0.2244 0.2883        
REMARK   3    17  2.5648 -  2.5135    1.00     7325   354  0.2285 0.2705        
REMARK   3    18  2.5135 -  2.4661    0.98     7114   395  0.2539 0.3036        
REMARK   3    19  2.4661 -  2.4220    0.99     7196   409  0.2666 0.3409        
REMARK   3    20  2.4220 -  2.3810    0.99     7193   402  0.2536 0.3232        
REMARK   3    21  2.3810 -  2.3426    0.99     7351   335  0.2405 0.2734        
REMARK   3    22  2.3426 -  2.3065    0.99     7115   425  0.2473 0.3010        
REMARK   3    23  2.3065 -  2.2726    0.99     7334   384  0.2485 0.2923        
REMARK   3    24  2.2726 -  2.2406    0.99     7248   331  0.2632 0.2849        
REMARK   3    25  2.2406 -  2.2103    0.99     7129   429  0.2559 0.3126        
REMARK   3    26  2.2103 -  2.1816    0.99     7341   349  0.2596 0.3325        
REMARK   3    27  2.1816 -  2.1544    0.99     7253   389  0.2635 0.3211        
REMARK   3    28  2.1544 -  2.1284    0.99     7140   379  0.2852 0.3442        
REMARK   3    29  2.1284 -  2.1037    0.99     7247   413  0.2738 0.3055        
REMARK   3    30  2.1037 -  2.0800    0.99     7218   420  0.2885 0.3306        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.270            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.880           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.008          13762                                  
REMARK   3   ANGLE     :  1.104          18767                                  
REMARK   3   CHIRALITY :  0.043           1945                                  
REMARK   3   PLANARITY :  0.005           2417                                  
REMARK   3   DIHEDRAL  : 16.236           5004                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 4                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: (CHAIN A AND RESID 68:480)                             
REMARK   3    ORIGIN FOR THE GROUP (A):  64.3465  31.9883-185.4252              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6441 T22:   0.6225                                     
REMARK   3      T33:   0.4923 T12:   0.2527                                     
REMARK   3      T13:   0.2095 T23:   0.3089                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.9132 L22:   1.6667                                     
REMARK   3      L33:   1.7066 L12:   0.2658                                     
REMARK   3      L13:  -0.5248 L23:  -0.3953                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2956 S12:   0.5136 S13:   0.3446                       
REMARK   3      S21:   0.1797 S22:   0.2336 S23:   0.3010                       
REMARK   3      S31:  -0.6808 S32:  -0.6493 S33:  -0.0934                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: (CHAIN B AND RESID 68:480)                             
REMARK   3    ORIGIN FOR THE GROUP (A):  74.4181   8.5564-157.7531              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3316 T22:   0.2157                                     
REMARK   3      T33:   0.2364 T12:  -0.0575                                     
REMARK   3      T13:  -0.0156 T23:   0.0140                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0795 L22:   1.4527                                     
REMARK   3      L33:   2.3383 L12:  -0.2699                                     
REMARK   3      L13:  -0.4239 L23:  -0.8201                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0646 S12:  -0.0321 S13:   0.0395                       
REMARK   3      S21:   0.3684 S22:   0.0912 S23:   0.0478                       
REMARK   3      S31:  -0.1802 S32:  -0.1041 S33:  -0.1047                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: (CHAIN C AND RESID 68:480)                             
REMARK   3    ORIGIN FOR THE GROUP (A):  93.1498 -34.0901-195.4905              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.6854 T22:   0.4018                                     
REMARK   3      T33:   0.4054 T12:  -0.0340                                     
REMARK   3      T13:  -0.1136 T23:   0.1112                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.6752 L22:   1.6646                                     
REMARK   3      L33:   1.5860 L12:  -0.1270                                     
REMARK   3      L13:   0.2704 L23:   0.0433                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1623 S12:  -0.2632 S13:  -0.2588                       
REMARK   3      S21:   0.1193 S22:   0.0324 S23:   0.1431                       
REMARK   3      S31:   0.6513 S32:  -0.2514 S33:  -0.0923                       
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    SELECTION: (CHAIN D AND RESID 67:480)                             
REMARK   3    ORIGIN FOR THE GROUP (A): 103.4708 -10.4329-222.9055              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.3282 T22:   0.1948                                     
REMARK   3      T33:   0.2434 T12:   0.0558                                     
REMARK   3      T13:  -0.0349 T23:  -0.0118                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0694 L22:   0.7926                                     
REMARK   3      L33:   2.2890 L12:   0.3006                                     
REMARK   3      L13:   0.3392 L23:  -0.0289                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0366 S12:   0.0422 S13:  -0.0266                       
REMARK   3      S21:  -0.1568 S22:   0.0725 S23:  -0.0221                       
REMARK   3      S31:  -0.0598 S32:   0.1124 S33:  -0.0274                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6AV6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-SEP-17.                  
REMARK 100 THE DEPOSITION ID IS D_1000223187.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-MAR-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS3 6M                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS OCT 15, 2015                   
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS 0.5.17                     
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 116007                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.080                              
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                : 5.400                              
REMARK 200  R MERGE                    (I) : 0.16900                            
REMARK 200  R SYM                      (I) : 0.16900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.13                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 2.91600                            
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: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: REFMAC 5.8.0049                                       
REMARK 200 STARTING MODEL: 4DIP                                                 
REMARK 200                                                                      
REMARK 200 REMARK: ROD                                                          
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.30                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 12-15% PEG3350, 0.1M BIS-TRIS 0.2-0.3M   
REMARK 280  MG ACETATE, 0.1M GDCL3 10% GLYCEROL, 5 MM TCEP, PH 6.5, VAPOR       
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 277K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       76.39000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
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                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10970 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 34100 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -152.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: 10920 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 33550 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -156.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
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     ALA A    41                                                      
REMARK 465     PRO A    42                                                      
REMARK 465     ALA A    43                                                      
REMARK 465     SER A    44                                                      
REMARK 465     LEU A    45                                                      
REMARK 465     LEU A    46                                                      
REMARK 465     PRO A    47                                                      
REMARK 465     PRO A    48                                                      
REMARK 465     ALA A    49                                                      
REMARK 465     PRO A    50                                                      
REMARK 465     GLU A    51                                                      
REMARK 465     HIS A    52                                                      
REMARK 465     SER A    53                                                      
REMARK 465     PRO A    54                                                      
REMARK 465     PRO A    55                                                      
REMARK 465     SER A    56                                                      
REMARK 465     SER A    57                                                      
REMARK 465     PRO A    58                                                      
REMARK 465     LEU A    59                                                      
REMARK 465     THR A    60                                                      
REMARK 465     GLN A    61                                                      
REMARK 465     PRO A    62                                                      
REMARK 465     PRO A    63                                                      
REMARK 465     GLU A    64                                                      
REMARK 465     GLY A    65                                                      
REMARK 465     PRO A    66                                                      
REMARK 465     LYS A    67                                                      
REMARK 465     LYS A   108                                                      
REMARK 465     LEU A   109                                                      
REMARK 465     GLN A   110                                                      
REMARK 465     GLY A   111                                                      
REMARK 465     ARG A   112                                                      
REMARK 465     PRO A   113                                                      
REMARK 465     SER A   114                                                      
REMARK 465     PRO A   115                                                      
REMARK 465     GLY A   116                                                      
REMARK 465     PRO A   117                                                      
REMARK 465     PRO A   118                                                      
REMARK 465     ALA A   119                                                      
REMARK 465     ALA B    41                                                      
REMARK 465     PRO B    42                                                      
REMARK 465     ALA B    43                                                      
REMARK 465     SER B    44                                                      
REMARK 465     LEU B    45                                                      
REMARK 465     LEU B    46                                                      
REMARK 465     PRO B    47                                                      
REMARK 465     PRO B    48                                                      
REMARK 465     ALA B    49                                                      
REMARK 465     PRO B    50                                                      
REMARK 465     GLU B    51                                                      
REMARK 465     HIS B    52                                                      
REMARK 465     SER B    53                                                      
REMARK 465     PRO B    54                                                      
REMARK 465     PRO B    55                                                      
REMARK 465     SER B    56                                                      
REMARK 465     SER B    57                                                      
REMARK 465     PRO B    58                                                      
REMARK 465     LEU B    59                                                      
REMARK 465     THR B    60                                                      
REMARK 465     GLN B    61                                                      
REMARK 465     PRO B    62                                                      
REMARK 465     PRO B    63                                                      
REMARK 465     GLU B    64                                                      
REMARK 465     GLY B    65                                                      
REMARK 465     PRO B    66                                                      
REMARK 465     LYS B    67                                                      
REMARK 465     ARG B   107                                                      
REMARK 465     LYS B   108                                                      
REMARK 465     LEU B   109                                                      
REMARK 465     GLN B   110                                                      
REMARK 465     GLY B   111                                                      
REMARK 465     ARG B   112                                                      
REMARK 465     PRO B   113                                                      
REMARK 465     SER B   114                                                      
REMARK 465     PRO B   115                                                      
REMARK 465     GLY B   116                                                      
REMARK 465     PRO B   117                                                      
REMARK 465     PRO B   118                                                      
REMARK 465     ALA C    41                                                      
REMARK 465     PRO C    42                                                      
REMARK 465     ALA C    43                                                      
REMARK 465     SER C    44                                                      
REMARK 465     LEU C    45                                                      
REMARK 465     LEU C    46                                                      
REMARK 465     PRO C    47                                                      
REMARK 465     PRO C    48                                                      
REMARK 465     ALA C    49                                                      
REMARK 465     PRO C    50                                                      
REMARK 465     GLU C    51                                                      
REMARK 465     HIS C    52                                                      
REMARK 465     SER C    53                                                      
REMARK 465     PRO C    54                                                      
REMARK 465     PRO C    55                                                      
REMARK 465     SER C    56                                                      
REMARK 465     SER C    57                                                      
REMARK 465     PRO C    58                                                      
REMARK 465     LEU C    59                                                      
REMARK 465     THR C    60                                                      
REMARK 465     GLN C    61                                                      
REMARK 465     PRO C    62                                                      
REMARK 465     PRO C    63                                                      
REMARK 465     GLU C    64                                                      
REMARK 465     GLY C    65                                                      
REMARK 465     PRO C    66                                                      
REMARK 465     LYS C    67                                                      
REMARK 465     ARG C   107                                                      
REMARK 465     LYS C   108                                                      
REMARK 465     LEU C   109                                                      
REMARK 465     GLN C   110                                                      
REMARK 465     GLY C   111                                                      
REMARK 465     ARG C   112                                                      
REMARK 465     PRO C   113                                                      
REMARK 465     SER C   114                                                      
REMARK 465     PRO C   115                                                      
REMARK 465     GLY C   116                                                      
REMARK 465     PRO C   117                                                      
REMARK 465     PRO C   118                                                      
REMARK 465     ALA D    41                                                      
REMARK 465     PRO D    42                                                      
REMARK 465     ALA D    43                                                      
REMARK 465     SER D    44                                                      
REMARK 465     LEU D    45                                                      
REMARK 465     LEU D    46                                                      
REMARK 465     PRO D    47                                                      
REMARK 465     PRO D    48                                                      
REMARK 465     ALA D    49                                                      
REMARK 465     PRO D    50                                                      
REMARK 465     GLU D    51                                                      
REMARK 465     HIS D    52                                                      
REMARK 465     SER D    53                                                      
REMARK 465     PRO D    54                                                      
REMARK 465     PRO D    55                                                      
REMARK 465     SER D    56                                                      
REMARK 465     SER D    57                                                      
REMARK 465     PRO D    58                                                      
REMARK 465     LEU D    59                                                      
REMARK 465     THR D    60                                                      
REMARK 465     GLN D    61                                                      
REMARK 465     PRO D    62                                                      
REMARK 465     PRO D    63                                                      
REMARK 465     GLU D    64                                                      
REMARK 465     GLY D    65                                                      
REMARK 465     PRO D    66                                                      
REMARK 465     ARG D   107                                                      
REMARK 465     LYS D   108                                                      
REMARK 465     LEU D   109                                                      
REMARK 465     GLN D   110                                                      
REMARK 465     GLY D   111                                                      
REMARK 465     ARG D   112                                                      
REMARK 465     PRO D   113                                                      
REMARK 465     SER D   114                                                      
REMARK 465     PRO D   115                                                      
REMARK 465     GLY D   116                                                      
REMARK 465     PRO D   117                                                      
REMARK 465     PRO D   118                                                      
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   O4   BTB A   503     O    HOH A   601              2.10            
REMARK 500   O    PRO A    93     NH2  ARG A    98              2.11            
REMARK 500   NH2  ARG D   365     OD2  ASP D   369              2.11            
REMARK 500   O    HOH D   692     O    HOH D   693              2.11            
REMARK 500   OH   TYR D   475     O1D  HEM D   501              2.11            
REMARK 500   OH   TYR A   475     O1D  HEM A   501              2.13            
REMARK 500   OE2  GLU C   347     O    HOH C   601              2.15            
REMARK 500   O    HOH D   639     O    HOH D   693              2.18            
REMARK 500   OE2  GLU D   298     O3   BTB D   505              2.19            
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    GLN A  89      -72.79    -98.99                                   
REMARK 500    GLN A  90       95.48    -42.05                                   
REMARK 500    ASP A 200       37.22    -88.74                                   
REMARK 500    ARG A 202       -2.21   -147.06                                   
REMARK 500    ARG A 238      137.27     65.17                                   
REMARK 500    ASP A 258     -121.03    -90.10                                   
REMARK 500    ASN A 267       60.03   -117.14                                   
REMARK 500    ASN A 283      -77.41    -86.31                                   
REMARK 500    PRO A 296      134.52    -37.96                                   
REMARK 500    ASP A 297      -79.28     64.29                                   
REMARK 500    PRO A 299      170.26    -58.36                                   
REMARK 500    ALA A 351       67.10   -152.24                                   
REMARK 500    ARG A 372     -131.69   -114.27                                   
REMARK 500    PRO A 479       49.40    -67.37                                   
REMARK 500    GLN B 256     -161.30   -109.12                                   
REMARK 500    ASN B 283       11.02   -140.24                                   
REMARK 500    ALA B 351       79.20   -156.03                                   
REMARK 500    ARG B 372     -132.39   -112.06                                   
REMARK 500    GLN C  89      -94.93    -66.84                                   
REMARK 500    GLN C 144        5.17    -57.06                                   
REMARK 500    SER C 260     -177.07    -67.26                                   
REMARK 500    HIS C 277       40.30    -73.49                                   
REMARK 500    ASN C 283      -11.77   -142.74                                   
REMARK 500    ASP C 297      -38.24     70.79                                   
REMARK 500    ALA C 351       65.90   -155.40                                   
REMARK 500    ARG C 372     -137.52   -113.98                                   
REMARK 500    ARG D 202       11.63   -141.80                                   
REMARK 500    ASN D 283       26.38   -142.61                                   
REMARK 500    ALA D 351       68.41   -158.90                                   
REMARK 500    ARG D 372     -133.23   -120.23                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 647        DISTANCE =  5.83 ANGSTROMS                       
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 505  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A  94   SG                                                     
REMARK 620 2 CYS A  99   SG  103.8                                              
REMARK 620 3 CYS B  94   SG  125.6 106.5                                        
REMARK 620 4 CYS B  99   SG  108.7 104.9 105.8                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 184   SG                                                     
REMARK 620 2 HEM A 501   NA   98.7                                              
REMARK 620 3 HEM A 501   NB   96.3  89.3                                        
REMARK 620 4 HEM A 501   NC   86.9 174.3  89.9                                  
REMARK 620 5 HEM A 501   ND   93.3  90.8 170.3  89.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              GD A 508  GD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 BTB A 503   O3                                                     
REMARK 620 2 BTB A 503   O4   50.6                                              
REMARK 620 3 BTB A 503   N    74.4  64.8                                        
REMARK 620 4 BTB A 503   O6  113.5 127.0  62.2                                  
REMARK 620 5 BTB A 503   O8  117.0  74.2  54.1  74.4                            
REMARK 620 6 HOH A 601   O    60.0  43.4 108.1 170.3 101.5                      
REMARK 620 7 HOH A 644   O   157.9 141.2 125.9  75.1  84.6 113.7                
REMARK 620 8 HOH D 690   O    80.5 128.5 122.1  82.8 155.4 102.4  80.6          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 502  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 184   SG                                                     
REMARK 620 2 HEM B 502   NA  100.2                                              
REMARK 620 3 HEM B 502   NB   98.0  89.8                                        
REMARK 620 4 HEM B 502   NC   96.4 163.4  87.4                                  
REMARK 620 5 HEM B 502   ND  101.6  88.3 160.3  88.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              GD B 508  GD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR B 319   O                                                      
REMARK 620 2 GLU B 321   OE1  84.5                                              
REMARK 620 3 BTB B 505   O3   89.7  73.1                                        
REMARK 620 4 BTB B 505   O4   84.1 127.1  55.3                                  
REMARK 620 5 BTB B 505   N   147.5 102.7  63.2  66.1                            
REMARK 620 6 BTB B 505   O6  140.5  58.3  91.5 127.6  62.6                      
REMARK 620 7 BTB B 505   O8  139.0 115.2 129.5 106.9  66.5  61.2                
REMARK 620 8 HOH B 674   O    72.8 130.7 146.7  94.0 120.1 120.2  67.2          
REMARK 620 9 HOH C 603   O    79.4  71.9 144.1 153.5 133.1  76.8  74.1  61.4    
REMARK 620 N                    1     2     3     4     5     6     7     8     
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              GD C 508  GD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 BTB B 509   O3                                                     
REMARK 620 2 BTB B 509   O4   66.5                                              
REMARK 620 3 BTB B 509   N    64.5  57.0                                        
REMARK 620 4 BTB B 509   O6   55.7 109.9  64.2                                  
REMARK 620 5 BTB B 509   O8  108.0  47.4  58.1 120.0                            
REMARK 620 6 HOH B 678   O    80.7 138.9 129.4  66.0 171.1                      
REMARK 620 7 HOH B 707   O   149.2 118.0 145.4 132.1  92.5  78.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN C 505  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C  94   SG                                                     
REMARK 620 2 CYS C  99   SG  105.6                                              
REMARK 620 3 CYS D  94   SG  123.1 106.8                                        
REMARK 620 4 CYS D  99   SG  104.4 105.2 110.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS C 184   SG                                                     
REMARK 620 2 HEM C 501   NA  100.7                                              
REMARK 620 3 HEM C 501   NB  102.1  86.2                                        
REMARK 620 4 HEM C 501   NC   94.0 165.3  91.0                                  
REMARK 620 5 HEM C 501   ND   94.3  92.1 163.5  86.6                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS D 184   SG                                                     
REMARK 620 2 HEM D 501   NA  100.7                                              
REMARK 620 3 HEM D 501   NB   99.2  92.3                                        
REMARK 620 4 HEM D 501   NC   96.9 162.4  85.4                                  
REMARK 620 5 HEM D 501   ND  100.2  86.6 160.4  89.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              GD D 506  GD                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR D 319   O                                                      
REMARK 620 2 GLU D 321   OE1  77.7                                              
REMARK 620 3 GLU D 321   OE2  87.4  50.4                                        
REMARK 620 4 BTB D 504   O3   84.5  97.1  48.5                                  
REMARK 620 5 BTB D 504   O4   86.5 152.1 106.7  58.3                            
REMARK 620 6 BTB D 504   N   135.8 115.9  74.7  53.3  61.9                      
REMARK 620 7 BTB D 504   O6  129.9  66.2  43.0  67.7 109.9  50.6                
REMARK 620 8 BTB D 504   O8  145.2 106.3 122.4 127.9  99.9  74.7  80.2          
REMARK 620 N                    1     2     3     4     5     6     7           
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 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue W68 A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB A 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 505                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 506                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 507                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GD A 508                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue H4B B 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue W68 B 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB B 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB B 506                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL B 507                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GD B 508                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB B 509                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AD9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB B 510                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM C 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue H4B C 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue W68 C 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB C 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue ZN C 505                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL C 506                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL C 507                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GD C 508                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AE9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM D 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue H4B D 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue W68 D 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB D 504                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BTB D 505                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GD D 506                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AF6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue CL D 507                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 6AUR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUQ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUZ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV1   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUY   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV2   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUW   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AUX   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV3   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 6AV5   RELATED DB: PDB                                   
DBREF  6AV6 A   41   480  UNP    P29474   NOS3_HUMAN      41    480             
DBREF  6AV6 B   41   480  UNP    P29474   NOS3_HUMAN      41    480             
DBREF  6AV6 C   41   480  UNP    P29474   NOS3_HUMAN      41    480             
DBREF  6AV6 D   41   480  UNP    P29474   NOS3_HUMAN      41    480             
SEQRES   1 A  440  ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER          
SEQRES   2 A  440  PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO          
SEQRES   3 A  440  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   4 A  440  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   5 A  440  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   6 A  440  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   7 A  440  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   8 A  440  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   9 A  440  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES  10 A  440  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES  11 A  440  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  12 A  440  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  13 A  440  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  14 A  440  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  15 A  440  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  16 A  440  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  17 A  440  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  18 A  440  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  19 A  440  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  20 A  440  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  21 A  440  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  22 A  440  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  23 A  440  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  24 A  440  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  25 A  440  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  26 A  440  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  27 A  440  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  28 A  440  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  29 A  440  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  30 A  440  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  31 A  440  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  32 A  440  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  33 A  440  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  34 A  440  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP                  
SEQRES   1 B  440  ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER          
SEQRES   2 B  440  PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO          
SEQRES   3 B  440  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   4 B  440  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   5 B  440  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   6 B  440  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   7 B  440  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   8 B  440  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   9 B  440  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES  10 B  440  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES  11 B  440  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  12 B  440  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  13 B  440  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  14 B  440  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  15 B  440  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  16 B  440  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  17 B  440  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  18 B  440  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  19 B  440  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  20 B  440  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  21 B  440  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  22 B  440  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  23 B  440  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  24 B  440  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  25 B  440  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  26 B  440  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  27 B  440  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  28 B  440  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  29 B  440  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  30 B  440  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  31 B  440  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  32 B  440  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  33 B  440  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  34 B  440  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP                  
SEQRES   1 C  440  ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER          
SEQRES   2 C  440  PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO          
SEQRES   3 C  440  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   4 C  440  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   5 C  440  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   6 C  440  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   7 C  440  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   8 C  440  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   9 C  440  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES  10 C  440  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES  11 C  440  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  12 C  440  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  13 C  440  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  14 C  440  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  15 C  440  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  16 C  440  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  17 C  440  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  18 C  440  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  19 C  440  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  20 C  440  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  21 C  440  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  22 C  440  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  23 C  440  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  24 C  440  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  25 C  440  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  26 C  440  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  27 C  440  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  28 C  440  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  29 C  440  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  30 C  440  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  31 C  440  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  32 C  440  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  33 C  440  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  34 C  440  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP                  
SEQRES   1 D  440  ALA PRO ALA SER LEU LEU PRO PRO ALA PRO GLU HIS SER          
SEQRES   2 D  440  PRO PRO SER SER PRO LEU THR GLN PRO PRO GLU GLY PRO          
SEQRES   3 D  440  LYS PHE PRO ARG VAL LYS ASN TRP GLU VAL GLY SER ILE          
SEQRES   4 D  440  THR TYR ASP THR LEU SER ALA GLN ALA GLN GLN ASP GLY          
SEQRES   5 D  440  PRO CYS THR PRO ARG ARG CYS LEU GLY SER LEU VAL PHE          
SEQRES   6 D  440  PRO ARG LYS LEU GLN GLY ARG PRO SER PRO GLY PRO PRO          
SEQRES   7 D  440  ALA PRO GLU GLN LEU LEU SER GLN ALA ARG ASP PHE ILE          
SEQRES   8 D  440  ASN GLN TYR TYR SER SER ILE LYS ARG SER GLY SER GLN          
SEQRES   9 D  440  ALA HIS GLU GLN ARG LEU GLN GLU VAL GLU ALA GLU VAL          
SEQRES  10 D  440  ALA ALA THR GLY THR TYR GLN LEU ARG GLU SER GLU LEU          
SEQRES  11 D  440  VAL PHE GLY ALA LYS GLN ALA TRP ARG ASN ALA PRO ARG          
SEQRES  12 D  440  CYS VAL GLY ARG ILE GLN TRP GLY LYS LEU GLN VAL PHE          
SEQRES  13 D  440  ASP ALA ARG ASP CYS ARG SER ALA GLN GLU MET PHE THR          
SEQRES  14 D  440  TYR ILE CYS ASN HIS ILE LYS TYR ALA THR ASN ARG GLY          
SEQRES  15 D  440  ASN LEU ARG SER ALA ILE THR VAL PHE PRO GLN ARG CYS          
SEQRES  16 D  440  PRO GLY ARG GLY ASP PHE ARG ILE TRP ASN SER GLN LEU          
SEQRES  17 D  440  VAL ARG TYR ALA GLY TYR ARG GLN GLN ASP GLY SER VAL          
SEQRES  18 D  440  ARG GLY ASP PRO ALA ASN VAL GLU ILE THR GLU LEU CYS          
SEQRES  19 D  440  ILE GLN HIS GLY TRP THR PRO GLY ASN GLY ARG PHE ASP          
SEQRES  20 D  440  VAL LEU PRO LEU LEU LEU GLN ALA PRO ASP GLU PRO PRO          
SEQRES  21 D  440  GLU LEU PHE LEU LEU PRO PRO GLU LEU VAL LEU GLU VAL          
SEQRES  22 D  440  PRO LEU GLU HIS PRO THR LEU GLU TRP PHE ALA ALA LEU          
SEQRES  23 D  440  GLY LEU ARG TRP TYR ALA LEU PRO ALA VAL SER ASN MET          
SEQRES  24 D  440  LEU LEU GLU ILE GLY GLY LEU GLU PHE PRO ALA ALA PRO          
SEQRES  25 D  440  PHE SER GLY TRP TYR MET SER THR GLU ILE GLY THR ARG          
SEQRES  26 D  440  ASN LEU CYS ASP PRO HIS ARG TYR ASN ILE LEU GLU ASP          
SEQRES  27 D  440  VAL ALA VAL CYS MET ASP LEU ASP THR ARG THR THR SER          
SEQRES  28 D  440  SER LEU TRP LYS ASP LYS ALA ALA VAL GLU ILE ASN VAL          
SEQRES  29 D  440  ALA VAL LEU HIS SER TYR GLN LEU ALA LYS VAL THR ILE          
SEQRES  30 D  440  VAL ASP HIS HIS ALA ALA THR ALA SER PHE MET LYS HIS          
SEQRES  31 D  440  LEU GLU ASN GLU GLN LYS ALA ARG GLY GLY CYS PRO ALA          
SEQRES  32 D  440  ASP TRP ALA TRP ILE VAL PRO PRO ILE SER GLY SER LEU          
SEQRES  33 D  440  THR PRO VAL PHE HIS GLN GLU MET VAL ASN TYR PHE LEU          
SEQRES  34 D  440  SER PRO ALA PHE ARG TYR GLN PRO ASP PRO TRP                  
HET    HEM  A 501      43                                                       
HET    W68  A 502      22                                                       
HET    BTB  A 503      14                                                       
HET    BTB  A 504      14                                                       
HET     ZN  A 505       1                                                       
HET    GOL  A 506       6                                                       
HET     CL  A 507       1                                                       
HET     GD  A 508       1                                                       
HET    H4B  B 501      17                                                       
HET    HEM  B 502      43                                                       
HET    H4B  B 503      17                                                       
HET    W68  B 504      22                                                       
HET    BTB  B 505      14                                                       
HET    BTB  B 506      14                                                       
HET     CL  B 507       1                                                       
HET     GD  B 508       1                                                       
HET    BTB  B 509      14                                                       
HET    BTB  B 510      14                                                       
HET    HEM  C 501      43                                                       
HET    H4B  C 502      17                                                       
HET    W68  C 503      22                                                       
HET    BTB  C 504      14                                                       
HET     ZN  C 505       1                                                       
HET    GOL  C 506       6                                                       
HET     CL  C 507       1                                                       
HET     GD  C 508       1                                                       
HET    HEM  D 501      43                                                       
HET    H4B  D 502      17                                                       
HET    W68  D 503      22                                                       
HET    BTB  D 504      14                                                       
HET    BTB  D 505      14                                                       
HET     GD  D 506       1                                                       
HET     CL  D 507       1                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     W68 6-(2-{3-FLUORO-5-[3-(METHYLAMINO)PROPYL]PHENYL}ETHYL)-           
HETNAM   2 W68  4-METHYLPYRIDIN-2-AMINE                                         
HETNAM     BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-                 
HETNAM   2 BTB  PROPANE-1,3-DIOL                                                
HETNAM      ZN ZINC ION                                                         
HETNAM     GOL GLYCEROL                                                         
HETNAM      CL CHLORIDE ION                                                     
HETNAM      GD GADOLINIUM ATOM                                                  
HETNAM     H4B 5,6,7,8-TETRAHYDROBIOPTERIN                                      
HETSYN     HEM HEME                                                             
HETSYN     BTB BIS-TRIS BUFFER                                                  
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  W68    4(C18 H24 F N3)                                              
FORMUL   7  BTB    9(C8 H19 N O5)                                               
FORMUL   9   ZN    2(ZN 2+)                                                     
FORMUL  10  GOL    2(C3 H8 O3)                                                  
FORMUL  11   CL    4(CL 1-)                                                     
FORMUL  12   GD    4(GD)                                                        
FORMUL  13  H4B    4(C9 H15 N5 O3)                                              
FORMUL  38  HOH   *326(H2 O)                                                    
HELIX    1 AA1 THR A   83  ALA A   88  5                                   6    
HELIX    2 AA2 GLU A  121  ILE A  138  1                                  18    
HELIX    3 AA3 GLN A  144  GLY A  161  1                                  18    
HELIX    4 AA4 ARG A  166  ALA A  181  1                                  16    
HELIX    5 AA5 GLY A  186  TRP A  190  5                                   5    
HELIX    6 AA6 SER A  203  ASN A  220  1                                  18    
HELIX    7 AA7 ARG A  221  ASN A  223  5                                   3    
HELIX    8 AA8 PRO A  265  ASN A  267  5                                   3    
HELIX    9 AA9 VAL A  268  GLN A  276  1                                   9    
HELIX   10 AB1 LEU A  320  GLY A  327  5                                   8    
HELIX   11 AB2 SER A  359  THR A  364  1                                   6    
HELIX   12 AB3 THR A  364  ASP A  369  1                                   6    
HELIX   13 AB4 ILE A  375  MET A  383  1                                   9    
HELIX   14 AB5 THR A  389  SER A  392  5                                   4    
HELIX   15 AB6 LEU A  393  ALA A  413  1                                  21    
HELIX   16 AB7 ASP A  419  GLY A  439  1                                  21    
HELIX   17 AB8 ASP A  444  VAL A  449  1                                   6    
HELIX   18 AB9 SER A  453  GLN A  462  5                                  10    
HELIX   19 AC1 THR B   83  ALA B   88  5                                   6    
HELIX   20 AC2 PRO B  120  ILE B  138  1                                  19    
HELIX   21 AC3 SER B  143  GLY B  161  1                                  19    
HELIX   22 AC4 ARG B  166  ASN B  180  1                                  15    
HELIX   23 AC5 GLY B  186  TRP B  190  5                                   5    
HELIX   24 AC6 SER B  203  ASN B  220  1                                  18    
HELIX   25 AC7 ARG B  221  ASN B  223  5                                   3    
HELIX   26 AC8 ASN B  267  HIS B  277  1                                  11    
HELIX   27 AC9 PRO B  306  VAL B  310  5                                   5    
HELIX   28 AD1 LEU B  320  GLY B  327  5                                   8    
HELIX   29 AD2 MET B  358  THR B  364  1                                   7    
HELIX   30 AD3 THR B  364  ASP B  369  1                                   6    
HELIX   31 AD4 ILE B  375  MET B  383  1                                   9    
HELIX   32 AD5 THR B  389  SER B  392  5                                   4    
HELIX   33 AD6 LEU B  393  ALA B  413  1                                  21    
HELIX   34 AD7 ASP B  419  GLY B  439  1                                  21    
HELIX   35 AD8 ASP B  444  VAL B  449  1                                   6    
HELIX   36 AD9 SER B  453  THR B  457  5                                   5    
HELIX   37 AE1 THR C   83  ALA C   88  5                                   6    
HELIX   38 AE2 PRO C  120  ILE C  138  1                                  19    
HELIX   39 AE3 SER C  143  GLY C  161  1                                  19    
HELIX   40 AE4 ARG C  166  ASN C  180  1                                  15    
HELIX   41 AE5 GLY C  186  TRP C  190  5                                   5    
HELIX   42 AE6 SER C  203  ASN C  220  1                                  18    
HELIX   43 AE7 ARG C  221  ASN C  223  5                                   3    
HELIX   44 AE8 ASN C  267  HIS C  277  1                                  11    
HELIX   45 AE9 LEU C  320  GLY C  327  5                                   8    
HELIX   46 AF1 MET C  358  THR C  364  1                                   7    
HELIX   47 AF2 THR C  364  ASP C  369  1                                   6    
HELIX   48 AF3 ILE C  375  MET C  383  1                                   9    
HELIX   49 AF4 THR C  389  SER C  392  5                                   4    
HELIX   50 AF5 LEU C  393  ALA C  413  1                                  21    
HELIX   51 AF6 ASP C  419  GLY C  439  1                                  21    
HELIX   52 AF7 ASP C  444  VAL C  449  1                                   6    
HELIX   53 AF8 SER C  453  THR C  457  5                                   5    
HELIX   54 AF9 THR D   83  ALA D   88  5                                   6    
HELIX   55 AG1 PRO D  120  ILE D  138  1                                  19    
HELIX   56 AG2 SER D  143  GLY D  161  1                                  19    
HELIX   57 AG3 ARG D  166  ASN D  180  1                                  15    
HELIX   58 AG4 GLY D  186  TRP D  190  5                                   5    
HELIX   59 AG5 SER D  203  ASN D  220  1                                  18    
HELIX   60 AG6 ARG D  221  ASN D  223  5                                   3    
HELIX   61 AG7 ASN D  267  HIS D  277  1                                  11    
HELIX   62 AG8 PRO D  306  VAL D  310  5                                   5    
HELIX   63 AG9 LEU D  320  GLY D  327  5                                   8    
HELIX   64 AH1 MET D  358  THR D  364  1                                   7    
HELIX   65 AH2 THR D  364  ASP D  369  1                                   6    
HELIX   66 AH3 ILE D  375  MET D  383  1                                   9    
HELIX   67 AH4 THR D  389  SER D  392  5                                   4    
HELIX   68 AH5 LEU D  393  LYS D  414  1                                  22    
HELIX   69 AH6 ASP D  419  GLY D  439  1                                  21    
HELIX   70 AH7 ASP D  444  VAL D  449  1                                   6    
HELIX   71 AH8 SER D  453  GLN D  462  5                                  10    
SHEET    1 AA1 2 ARG A  70  LYS A  72  0                                        
SHEET    2 AA1 2 ILE A  79  TYR A  81 -1  O  THR A  80   N  VAL A  71           
SHEET    1 AA2 4 GLN A 194  ASP A 197  0                                        
SHEET    2 AA2 4 ALA A 227  VAL A 230  1  O  ILE A 228   N  PHE A 196           
SHEET    3 AA2 4 PHE A 353  SER A 354 -1  O  SER A 354   N  ALA A 227           
SHEET    4 AA2 4 ALA A 335  VAL A 336 -1  N  VAL A 336   O  PHE A 353           
SHEET    1 AA3 2 ARG A 242  ILE A 243  0                                        
SHEET    2 AA3 2 LEU A 293  GLN A 294 -1  O  GLN A 294   N  ARG A 242           
SHEET    1 AA4 2 GLY A 253  ARG A 255  0                                        
SHEET    2 AA4 2 VAL A 261  GLY A 263 -1  O  ARG A 262   N  TYR A 254           
SHEET    1 AA5 2 GLU A 312  PRO A 314  0                                        
SHEET    2 AA5 2 ARG A 329  TYR A 331 -1  O  TRP A 330   N  VAL A 313           
SHEET    1 AA6 3 LEU A 346  PHE A 348  0                                        
SHEET    2 AA6 3 LEU A 340  ILE A 343 -1  N  LEU A 341   O  PHE A 348           
SHEET    3 AA6 3 ALA A 472  ARG A 474 -1  O  ARG A 474   N  LEU A 340           
SHEET    1 AA7 2 TYR A 357  MET A 358  0                                        
SHEET    2 AA7 2 ILE A 417  VAL A 418  1  O  VAL A 418   N  TYR A 357           
SHEET    1 AA8 2 ARG B  70  LYS B  72  0                                        
SHEET    2 AA8 2 ILE B  79  TYR B  81 -1  O  THR B  80   N  VAL B  71           
SHEET    1 AA9 4 GLN B 194  ASP B 197  0                                        
SHEET    2 AA9 4 ALA B 227  VAL B 230  1  O  ILE B 228   N  PHE B 196           
SHEET    3 AA9 4 PHE B 353  SER B 354 -1  O  SER B 354   N  ALA B 227           
SHEET    4 AA9 4 ALA B 335  VAL B 336 -1  N  VAL B 336   O  PHE B 353           
SHEET    1 AB1 3 ARG B 242  ILE B 243  0                                        
SHEET    2 AB1 3 LEU B 291  GLN B 294 -1  O  GLN B 294   N  ARG B 242           
SHEET    3 AB1 3 GLU B 301  PHE B 303 -1  O  PHE B 303   N  LEU B 291           
SHEET    1 AB2 2 GLY B 253  ARG B 255  0                                        
SHEET    2 AB2 2 VAL B 261  GLY B 263 -1  O  ARG B 262   N  TYR B 254           
SHEET    1 AB3 2 GLU B 312  PRO B 314  0                                        
SHEET    2 AB3 2 ARG B 329  TYR B 331 -1  O  TRP B 330   N  VAL B 313           
SHEET    1 AB4 3 LEU B 346  PHE B 348  0                                        
SHEET    2 AB4 3 LEU B 340  ILE B 343 -1  N  LEU B 341   O  PHE B 348           
SHEET    3 AB4 3 ALA B 472  ARG B 474 -1  O  ARG B 474   N  LEU B 340           
SHEET    1 AB5 2 ARG C  70  LYS C  72  0                                        
SHEET    2 AB5 2 ILE C  79  TYR C  81 -1  O  THR C  80   N  VAL C  71           
SHEET    1 AB6 4 GLN C 194  ASP C 197  0                                        
SHEET    2 AB6 4 ALA C 227  VAL C 230  1  O  ILE C 228   N  PHE C 196           
SHEET    3 AB6 4 PHE C 353  SER C 354 -1  O  SER C 354   N  ALA C 227           
SHEET    4 AB6 4 ALA C 335  VAL C 336 -1  N  VAL C 336   O  PHE C 353           
SHEET    1 AB7 3 ARG C 242  ILE C 243  0                                        
SHEET    2 AB7 3 LEU C 291  GLN C 294 -1  O  GLN C 294   N  ARG C 242           
SHEET    3 AB7 3 GLU C 301  PHE C 303 -1  O  PHE C 303   N  LEU C 291           
SHEET    1 AB8 2 GLY C 253  ARG C 255  0                                        
SHEET    2 AB8 2 VAL C 261  GLY C 263 -1  O  ARG C 262   N  TYR C 254           
SHEET    1 AB9 2 GLU C 312  PRO C 314  0                                        
SHEET    2 AB9 2 ARG C 329  TYR C 331 -1  O  TRP C 330   N  VAL C 313           
SHEET    1 AC1 3 LEU C 346  PHE C 348  0                                        
SHEET    2 AC1 3 LEU C 340  ILE C 343 -1  N  LEU C 341   O  PHE C 348           
SHEET    3 AC1 3 ALA C 472  ARG C 474 -1  O  ARG C 474   N  LEU C 340           
SHEET    1 AC2 2 ARG D  70  LYS D  72  0                                        
SHEET    2 AC2 2 ILE D  79  TYR D  81 -1  O  THR D  80   N  VAL D  71           
SHEET    1 AC3 4 GLN D 194  ASP D 197  0                                        
SHEET    2 AC3 4 ALA D 227  VAL D 230  1  O  ILE D 228   N  PHE D 196           
SHEET    3 AC3 4 PHE D 353  SER D 354 -1  O  SER D 354   N  ALA D 227           
SHEET    4 AC3 4 ALA D 335  VAL D 336 -1  N  VAL D 336   O  PHE D 353           
SHEET    1 AC4 3 ARG D 242  ILE D 243  0                                        
SHEET    2 AC4 3 LEU D 291  GLN D 294 -1  O  GLN D 294   N  ARG D 242           
SHEET    3 AC4 3 GLU D 301  PHE D 303 -1  O  GLU D 301   N  LEU D 293           
SHEET    1 AC5 2 GLY D 253  ARG D 255  0                                        
SHEET    2 AC5 2 VAL D 261  GLY D 263 -1  O  ARG D 262   N  TYR D 254           
SHEET    1 AC6 2 GLU D 312  PRO D 314  0                                        
SHEET    2 AC6 2 ARG D 329  TYR D 331 -1  O  TRP D 330   N  VAL D 313           
SHEET    1 AC7 3 LEU D 346  PHE D 348  0                                        
SHEET    2 AC7 3 LEU D 340  ILE D 343 -1  N  LEU D 341   O  PHE D 348           
SHEET    3 AC7 3 ALA D 472  ARG D 474 -1  O  ARG D 474   N  LEU D 340           
LINK         SG  CYS A  94                ZN    ZN A 505     1555   1555  2.37  
LINK         SG  CYS A  99                ZN    ZN A 505     1555   1555  2.30  
LINK         SG  CYS A 184                FE   HEM A 501     1555   1555  2.32  
LINK         O3  BTB A 503                GD    GD A 508     1555   1555  2.74  
LINK         O4  BTB A 503                GD    GD A 508     1555   1555  2.75  
LINK         N   BTB A 503                GD    GD A 508     1555   1555  2.88  
LINK         O6  BTB A 503                GD    GD A 508     1555   1555  2.78  
LINK         O8  BTB A 503                GD    GD A 508     1555   1555  2.74  
LINK        ZN    ZN A 505                 SG  CYS B  94     1555   1555  2.37  
LINK        ZN    ZN A 505                 SG  CYS B  99     1555   1555  2.45  
LINK        GD    GD A 508                 O   HOH A 601     1555   1555  2.91  
LINK        GD    GD A 508                 O   HOH A 644     1555   1555  2.76  
LINK        GD    GD A 508                 O   HOH D 690     1555   1455  3.21  
LINK         SG  CYS B 184                FE   HEM B 502     1555   1555  2.31  
LINK         O   THR B 319                GD    GD B 508     1555   1555  2.64  
LINK         OE1 GLU B 321                GD    GD B 508     1555   1555  2.72  
LINK         O3  BTB B 505                GD    GD B 508     1555   1555  2.64  
LINK         O4  BTB B 505                GD    GD B 508     1555   1555  2.70  
LINK         N   BTB B 505                GD    GD B 508     1555   1555  2.75  
LINK         O6  BTB B 505                GD    GD B 508     1555   1555  2.75  
LINK         O8  BTB B 505                GD    GD B 508     1555   1555  2.77  
LINK        GD    GD B 508                 O   HOH B 674     1555   1555  2.62  
LINK        GD    GD B 508                 O   HOH C 603     1555   1555  2.75  
LINK         O3  BTB B 509                GD    GD C 508     1555   1555  2.56  
LINK         O4  BTB B 509                GD    GD C 508     1555   1555  2.81  
LINK         N   BTB B 509                GD    GD C 508     1555   1555  2.91  
LINK         O6  BTB B 509                GD    GD C 508     1555   1555  2.77  
LINK         O8  BTB B 509                GD    GD C 508     1555   1555  3.22  
LINK         O   HOH B 678                GD    GD C 508     1555   1555  2.74  
LINK         O   HOH B 707                GD    GD C 508     1555   1555  2.78  
LINK         SG  CYS C  94                ZN    ZN C 505     1555   1555  2.28  
LINK         SG  CYS C  99                ZN    ZN C 505     1555   1555  2.37  
LINK         SG  CYS C 184                FE   HEM C 501     1555   1555  2.34  
LINK        ZN    ZN C 505                 SG  CYS D  94     1555   1555  2.51  
LINK        ZN    ZN C 505                 SG  CYS D  99     1555   1555  2.43  
LINK         SG  CYS D 184                FE   HEM D 501     1555   1555  2.21  
LINK         O   THR D 319                GD    GD D 506     1555   1555  2.59  
LINK         OE1 GLU D 321                GD    GD D 506     1555   1555  2.57  
LINK         OE2 GLU D 321                GD    GD D 506     1555   1555  2.62  
LINK         O3  BTB D 504                GD    GD D 506     1555   1555  2.72  
LINK         O4  BTB D 504                GD    GD D 506     1555   1555  2.71  
LINK         N   BTB D 504                GD    GD D 506     1555   1555  3.01  
LINK         O6  BTB D 504                GD    GD D 506     1555   1555  3.41  
LINK         O8  BTB D 504                GD    GD D 506     1555   1555  2.81  
CISPEP   1 SER A  470    PRO A  471          0        -1.15                     
CISPEP   2 SER B  470    PRO B  471          0        -0.66                     
CISPEP   3 SER C  470    PRO C  471          0         0.97                     
CISPEP   4 SER D  470    PRO D  471          0        -2.45                     
SITE     1 AC1 11 TRP A 178  CYS A 184  SER A 226  PHE A 353                    
SITE     2 AC1 11 SER A 354  TRP A 356  GLU A 361  TRP A 447                    
SITE     3 AC1 11 TYR A 475  W68 A 502  H4B B 501                               
SITE     1 AC2  7 PHE A 105  VAL A 336  PHE A 353  TRP A 356                    
SITE     2 AC2  7 TYR A 357  GLU A 361  HEM A 501                               
SITE     1 AC3  8 TRP A 322  CYS A 382  ASP A 384   GD A 508                    
SITE     2 AC3  8 HOH A 601  ALA D 325  LEU D 326  ASP D 378                    
SITE     1 AC4  4 GLU A 377  THR A 387  ARG A 388  ASP D 384                    
SITE     1 AC5  4 CYS A  94  CYS A  99  CYS B  94  CYS B  99                    
SITE     1 AC6  1 GLU A 167                                                     
SITE     1 AC7  3 GLN A 247  TYR A 357  ASN A 366                               
SITE     1 AC8  3 BTB A 503  HOH A 601  HOH A 644                               
SITE     1 AC9 11 SER A 102  ARG A 365  ALA A 446  TRP A 447                    
SITE     2 AC9 11 HEM A 501  TRP B 445  PHE B 460  HIS B 461                    
SITE     3 AC9 11 GLN B 462  GLU B 463  HOH B 673                               
SITE     1 AD1 15 TRP B 178  ARG B 183  CYS B 184  SER B 226                    
SITE     2 AD1 15 PHE B 353  SER B 354  GLY B 355  TRP B 356                    
SITE     3 AD1 15 MET B 358  GLU B 361  TRP B 447  PHE B 473                    
SITE     4 AD1 15 TYR B 475  H4B B 503  W68 B 504                               
SITE     1 AD2  9 TRP A 445  PHE A 460  GLU A 463  SER B 102                    
SITE     2 AD2  9 ARG B 365  ALA B 446  TRP B 447  HEM B 502                    
SITE     3 AD2  9 HOH B 613                                                     
SITE     1 AD3  8 PHE B 105  VAL B 336  TRP B 356  GLU B 361                    
SITE     2 AD3  8 TYR B 475  HEM B 502   CL B 507  HOH B 676                    
SITE     1 AD4  8 THR B 319  GLU B 321   GD B 508  HOH B 674                    
SITE     2 AD4  8 VAL C 261  TYR C 373  ASN C 374  ASP C 378                    
SITE     1 AD5  5 ASP B 297  GLU B 298  HOH B 603  HOH B 670                    
SITE     2 AD5  5 GLU D 167                                                     
SITE     1 AD6  5 GLN B 247  TYR B 357  ASN B 366  W68 B 504                    
SITE     2 AD6  5 HOH B 676                                                     
SITE     1 AD7  5 THR B 319  GLU B 321  BTB B 505  HOH B 674                    
SITE     2 AD7  5 HOH C 603                                                     
SITE     1 AD8  8 ALA B 325  LEU B 326  ASP B 378  HOH B 678                    
SITE     2 AD8  8 VAL C 381  CYS C 382  ASP C 384   GD C 508                    
SITE     1 AD9  2 ASP B 384  GLU C 377                                          
SITE     1 AE1 13 TRP C 178  CYS C 184  SER C 226  PHE C 353                    
SITE     2 AE1 13 SER C 354  GLY C 355  TRP C 356  GLU C 361                    
SITE     3 AE1 13 TRP C 447  PHE C 473  TYR C 475  H4B C 502                    
SITE     4 AE1 13 W68 C 503                                                     
SITE     1 AE2 10 SER C 102  ARG C 365  ALA C 446  TRP C 447                    
SITE     2 AE2 10 HEM C 501  HOH C 645  TRP D 445  PHE D 460                    
SITE     3 AE2 10 HIS D 461  GLU D 463                                          
SITE     1 AE3  8 PHE C 105  VAL C 336  PHE C 353  TRP C 356                    
SITE     2 AE3  8 GLU C 361  TRP C 447  HEM C 501  HOH C 652                    
SITE     1 AE4  1 GLU C 298                                                     
SITE     1 AE5  4 CYS C  94  CYS C  99  CYS D  94  CYS D  99                    
SITE     1 AE6  1 GLU C 167                                                     
SITE     1 AE7  3 GLN C 247  TYR C 357  ASN C 366                               
SITE     1 AE8  3 BTB B 509  HOH B 678  HOH B 707                               
SITE     1 AE9 14 TRP D 178  ARG D 183  CYS D 184  VAL D 185                    
SITE     2 AE9 14 SER D 226  PHE D 353  SER D 354  TRP D 356                    
SITE     3 AE9 14 GLU D 361  TRP D 447  PHE D 473  TYR D 475                    
SITE     4 AE9 14 H4B D 502  W68 D 503                                          
SITE     1 AF1 12 TRP C 445  PHE C 460  HIS C 461  GLN C 462                    
SITE     2 AF1 12 GLU C 463  SER D 102  ARG D 365  ALA D 446                    
SITE     3 AF1 12 TRP D 447  HEM D 501  HOH D 627  HOH D 670                    
SITE     1 AF2 10 PHE D 105  GLN D 247  VAL D 336  PHE D 353                    
SITE     2 AF2 10 TRP D 356  GLU D 361  TRP D 447  HEM D 501                    
SITE     3 AF2 10  CL D 507  HOH D 660                                          
SITE     1 AF3  7 VAL A 261  TYR A 373  ASN A 374  ASP A 378                    
SITE     2 AF3  7 THR D 319  GLU D 321   GD D 506                               
SITE     1 AF4  2 ASP D 297  GLU D 298                                          
SITE     1 AF5  3 THR D 319  GLU D 321  BTB D 504                               
SITE     1 AF6  6 GLN D 247  ARG D 250  TYR D 357  ASN D 366                    
SITE     2 AF6  6 W68 D 503  HOH D 660                                          
CRYST1   59.643  152.780  108.882  90.00  90.78  90.00 P 1 21 1      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      0.016766  0.000000  0.000229        0.00000                         
SCALE2      0.000000  0.006545  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009185        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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