HEADER    SIGNALING PROTEIN                       27-NOV-06   2O0C              
TITLE     CRYSTAL STRUCTURE OF THE H-NOX DOMAIN FROM NOSTOC SP. PCC 7120        
TITLE    2 COMPLEXED TO NO                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALR2278 PROTEIN;                                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NOSTOC SP.;                                     
SOURCE   3 ORGANISM_TAXID: 103690;                                              
SOURCE   4 STRAIN: PCC 7120;                                                    
SOURCE   5 GENE: ALR2278;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET22B                                    
KEYWDS    HEME, NO, CO, GUANYLYL CYCLASE, SIGNALING PROTEIN                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    X.MA,F.VAN DEN AKKER                                                  
REVDAT   4   27-DEC-23 2O0C    1       REMARK LINK                              
REVDAT   3   13-JUL-11 2O0C    1       VERSN                                    
REVDAT   2   24-FEB-09 2O0C    1       VERSN                                    
REVDAT   1   30-JAN-07 2O0C    0                                                
JRNL        AUTH   X.MA,N.SAYED,A.BEUVE,F.VAN DEN AKKER                         
JRNL        TITL   NO AND CO DIFFERENTIALLY ACTIVATE SOLUBLE GUANYLYL CYCLASE   
JRNL        TITL 2 VIA A HEME PIVOT-BEND MECHANISM.                             
JRNL        REF    EMBO J.                       V.  26   578 2007              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   17215864                                                     
JRNL        DOI    10.1038/SJ.EMBOJ.7601521                                     
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 37.27                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 18887                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : 0.192                           
REMARK   3   FREE R VALUE                     : 0.237                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 961                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.67                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1345                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.54                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3270                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 68                           
REMARK   3   BIN FREE R VALUE                    : 0.3540                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2866                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 90                                      
REMARK   3   SOLVENT ATOMS            : 64                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 52.24                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.371         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.261         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.191         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.986         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.948                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.917                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3040 ; 0.011 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4130 ; 1.309 ; 2.042       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   362 ; 5.387 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   142 ;37.869 ;24.789       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   494 ;16.617 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;17.177 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   424 ; 0.081 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2336 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1269 ; 0.219 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2058 ; 0.304 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   113 ; 0.135 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    71 ; 0.209 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     5 ; 0.124 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1856 ; 1.474 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2872 ; 2.641 ; 4.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1365 ; 2.723 ; 4.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1254 ; 4.020 ; 6.000       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2O0C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-NOV-06.                  
REMARK 100 THE DEPOSITION ID IS D_1000040526.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-JUN-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.6                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 19-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9793                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18960                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY                : 2.800                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.60600                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.80                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.70                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.4M TRI-SODIUM CITRATE DIHYDRATE, PH    
REMARK 280  5.6-6.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 297K            
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3                           
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       5555   Z,X,Y                                                   
REMARK 290       6555   Z+1/2,-X+1/2,-Y                                         
REMARK 290       7555   -Z+1/2,-X,Y+1/2                                         
REMARK 290       8555   -Z,X+1/2,-Y+1/2                                         
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z+1/2,-X+1/2                                         
REMARK 290      11555   Y+1/2,-Z+1/2,-X                                         
REMARK 290      12555   -Y+1/2,-Z,X+1/2                                         
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       61.78200            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       61.78200            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       61.78200            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       61.78200            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       61.78200            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       61.78200            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000       61.78200            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       61.78200            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       61.78200            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       61.78200            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       61.78200            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       61.78200            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000       61.78200            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       61.78200            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       61.78200            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       61.78200            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       61.78200            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       61.78200            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PQS                                                   
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 18640 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 45770 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -212.0 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   BIOMT1   2  0.000000  0.000000 -1.000000       61.78200            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  1.000000  0.000000       61.78200            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  0.000000  0.000000  1.000000      -61.78200            
REMARK 350   BIOMT3   3 -1.000000  0.000000  0.000000       61.78200            
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     ASP A   183                                                      
REMARK 465     SER A   184                                                      
REMARK 465     ASN A   185                                                      
REMARK 465     LEU A   186                                                      
REMARK 465     TYR A   187                                                      
REMARK 465     ASP A   188                                                      
REMARK 465     ASP A   189                                                      
REMARK 465     ASP B   183                                                      
REMARK 465     SER B   184                                                      
REMARK 465     ASN B   185                                                      
REMARK 465     LEU B   186                                                      
REMARK 465     TYR B   187                                                      
REMARK 465     ASP B   188                                                      
REMARK 465     ASP B   189                                                      
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   ND   HEM A   500     N     NO A   600              2.01            
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    ARG A 116       76.30   -117.31                                   
REMARK 500    SER A 126     -179.68   -178.99                                   
REMARK 500    GLN A 157       51.87     37.68                                   
REMARK 500    HIS B  17       -5.99   -141.05                                   
REMARK 500    SER B 126     -176.69   -173.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 500  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 105   NE2                                                    
REMARK 620 2 HEM A 500   NA   98.5                                              
REMARK 620 3 HEM A 500   NB   95.7  86.3                                        
REMARK 620 4 HEM A 500   NC   93.3 167.6  89.2                                  
REMARK 620 5 HEM A 500   ND   96.8  94.6 167.2  87.3                            
REMARK 620 6  NO A 600   N   156.0  94.5 105.2  75.6  62.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 501  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B 105   NE2                                                    
REMARK 620 2 HEM B 501   NA   96.5                                              
REMARK 620 3 HEM B 501   NB   87.7  86.5                                        
REMARK 620 4 HEM B 501   NC   91.3 170.1  87.7                                  
REMARK 620 5 HEM B 501   ND  100.1  91.8 172.2  92.9                            
REMARK 620 6  NO B 601   N   166.9  94.3 100.4  78.9  72.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 500                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO A 600                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NO B 601                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2O09   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2O0G   RELATED DB: PDB                                   
DBREF  2O0C A    1   189  UNP    Q8YUQ7   Q8YUQ7_ANASP     1    189             
DBREF  2O0C B    1   189  UNP    Q8YUQ7   Q8YUQ7_ANASP     1    189             
SEQRES   1 A  189  MET TYR GLY LEU VAL ASN LYS ALA ILE GLN ASP MET ILE          
SEQRES   2 A  189  SER LYS HIS HIS GLY GLU ASP THR TRP GLU ALA ILE LYS          
SEQRES   3 A  189  GLN LYS ALA GLY LEU GLU ASP ILE ASP PHE PHE VAL GLY          
SEQRES   4 A  189  MET GLU ALA TYR SER ASP ASP VAL THR TYR HIS LEU VAL          
SEQRES   5 A  189  GLY ALA ALA SER GLU VAL LEU GLY LYS PRO ALA GLU GLU          
SEQRES   6 A  189  LEU LEU ILE ALA PHE GLY GLU TYR TRP VAL THR TYR THR          
SEQRES   7 A  189  SER GLU GLU GLY TYR GLY GLU LEU LEU ALA SER ALA GLY          
SEQRES   8 A  189  ASP SER LEU PRO GLU PHE MET GLU ASN LEU ASP ASN LEU          
SEQRES   9 A  189  HIS ALA ARG VAL GLY LEU SER PHE PRO GLN LEU ARG PRO          
SEQRES  10 A  189  PRO ALA PHE GLU CYS GLN HIS THR SER SER LYS SER MET          
SEQRES  11 A  189  GLU LEU HIS TYR GLN SER THR ARG CYS GLY LEU ALA PRO          
SEQRES  12 A  189  MET VAL LEU GLY LEU LEU HIS GLY LEU GLY LYS ARG PHE          
SEQRES  13 A  189  GLN THR LYS VAL GLU VAL THR GLN THR ALA PHE ARG GLU          
SEQRES  14 A  189  THR GLY GLU ASP HIS ASP ILE PHE SER ILE LYS TYR GLU          
SEQRES  15 A  189  ASP SER ASN LEU TYR ASP ASP                                  
SEQRES   1 B  189  MET TYR GLY LEU VAL ASN LYS ALA ILE GLN ASP MET ILE          
SEQRES   2 B  189  SER LYS HIS HIS GLY GLU ASP THR TRP GLU ALA ILE LYS          
SEQRES   3 B  189  GLN LYS ALA GLY LEU GLU ASP ILE ASP PHE PHE VAL GLY          
SEQRES   4 B  189  MET GLU ALA TYR SER ASP ASP VAL THR TYR HIS LEU VAL          
SEQRES   5 B  189  GLY ALA ALA SER GLU VAL LEU GLY LYS PRO ALA GLU GLU          
SEQRES   6 B  189  LEU LEU ILE ALA PHE GLY GLU TYR TRP VAL THR TYR THR          
SEQRES   7 B  189  SER GLU GLU GLY TYR GLY GLU LEU LEU ALA SER ALA GLY          
SEQRES   8 B  189  ASP SER LEU PRO GLU PHE MET GLU ASN LEU ASP ASN LEU          
SEQRES   9 B  189  HIS ALA ARG VAL GLY LEU SER PHE PRO GLN LEU ARG PRO          
SEQRES  10 B  189  PRO ALA PHE GLU CYS GLN HIS THR SER SER LYS SER MET          
SEQRES  11 B  189  GLU LEU HIS TYR GLN SER THR ARG CYS GLY LEU ALA PRO          
SEQRES  12 B  189  MET VAL LEU GLY LEU LEU HIS GLY LEU GLY LYS ARG PHE          
SEQRES  13 B  189  GLN THR LYS VAL GLU VAL THR GLN THR ALA PHE ARG GLU          
SEQRES  14 B  189  THR GLY GLU ASP HIS ASP ILE PHE SER ILE LYS TYR GLU          
SEQRES  15 B  189  ASP SER ASN LEU TYR ASP ASP                                  
HET    HEM  A 500      43                                                       
HET     NO  A 600       2                                                       
HET    HEM  B 501      43                                                       
HET     NO  B 601       2                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM      NO NITRIC OXIDE                                                     
HETSYN     HEM HEME                                                             
HETSYN      NO NITROGEN MONOXIDE                                                
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4   NO    2(N O)                                                       
FORMUL   7  HOH   *64(H2 O)                                                     
HELIX    1   1 TYR A    2  ALA A   29  1                                  28    
HELIX    2   2 SER A   44  GLY A   60  1                                  17    
HELIX    3   3 PRO A   62  GLU A   81  1                                  20    
HELIX    4   4 TYR A   83  SER A   89  1                                   7    
HELIX    5   5 SER A   93  PHE A  112  1                                  20    
HELIX    6   6 LEU A  141  PHE A  156  1                                  16    
HELIX    7   7 PHE A  167  GLY A  171  5                                   5    
HELIX    8   8 TYR B    2  ALA B   29  1                                  28    
HELIX    9   9 SER B   44  GLY B   60  1                                  17    
HELIX   10  10 PRO B   62  SER B   79  1                                  18    
HELIX   11  11 TYR B   83  ALA B   90  1                                   8    
HELIX   12  12 SER B   93  ASN B  100  1                                   8    
HELIX   13  13 ASN B  100  PHE B  112  1                                  13    
HELIX   14  14 LEU B  141  PHE B  156  1                                  16    
HELIX   15  15 PHE B  167  GLY B  171  5                                   5    
SHEET    1   A 4 ALA A 119  SER A 126  0                                        
SHEET    2   A 4 SER A 129  GLN A 135 -1  O  HIS A 133   N  GLU A 121           
SHEET    3   A 4 ASP A 175  TYR A 181 -1  O  PHE A 177   N  LEU A 132           
SHEET    4   A 4 VAL A 160  ALA A 166 -1  N  THR A 163   O  SER A 178           
SHEET    1   B 4 ALA B 119  SER B 126  0                                        
SHEET    2   B 4 SER B 129  GLN B 135 -1  O  GLN B 135   N  ALA B 119           
SHEET    3   B 4 ASP B 175  TYR B 181 -1  O  PHE B 177   N  LEU B 132           
SHEET    4   B 4 VAL B 160  ALA B 166 -1  N  GLU B 161   O  LYS B 180           
LINK         NE2 HIS A 105                FE   HEM A 500     1555   1555  2.18  
LINK        FE   HEM A 500                 N    NO A 600     1555   1555  1.82  
LINK         NE2 HIS B 105                FE   HEM B 501     1555   1555  2.18  
LINK        FE   HEM B 501                 N    NO B 601     1555   1555  1.77  
SITE     1 AC1 21 MET A   1  TYR A   2  TRP A  74  TYR A  83                    
SITE     2 AC1 21 PHE A  97  LEU A 101  HIS A 105  VAL A 108                    
SITE     3 AC1 21 LEU A 115  ARG A 116  PRO A 118  PHE A 120                    
SITE     4 AC1 21 TYR A 134  SER A 136  ARG A 138  MET A 144                    
SITE     5 AC1 21 VAL A 145  LEU A 148   NO A 600  HOH A 612                    
SITE     6 AC1 21 HOH A 625                                                     
SITE     1 AC2 19 MET B   1  TYR B   2  TRP B  74  LEU B  87                    
SITE     2 AC2 19 PHE B  97  LEU B 101  LEU B 104  HIS B 105                    
SITE     3 AC2 19 LEU B 115  ARG B 116  PRO B 118  TYR B 134                    
SITE     4 AC2 19 SER B 136  ARG B 138  MET B 144  VAL B 145                    
SITE     5 AC2 19 LEU B 148   NO B 601  HOH B 616                               
SITE     1 AC3  2 TRP A  74  HEM A 500                                          
SITE     1 AC4  2 TRP B  74  HEM B 501                                          
CRYST1  123.564  123.564  123.564  90.00  90.00  90.00 P 21 3       24          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.008093  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008093  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008093        0.00000