HEADER    SIGNALING PROTEIN                       23-MAR-16   5IXW              
TITLE     CRYSTAL STRUCTURE OF THE SIGNALING PROTEIN COMPLEX 3                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALR2278 PROTEIN;                                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 1-182;                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: NOSTOC SP. (STRAIN PCC 7120 / UTEX 2576);       
SOURCE   3 ORGANISM_TAXID: 103690;                                              
SOURCE   4 STRAIN: PCC 7120 / UTEX 2576;                                        
SOURCE   5 GENE: ALR2278;                                                       
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    SOLUBLE GUANYLYL CYCLASE, H-NOX DOMAIN, NITRIC OXIDE, HEME-DOMAIN,    
KEYWDS   2 SIGNALING PROTEIN                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.KUMAR,F.VAN DEN AKKER                                               
REVDAT   4   27-SEP-23 5IXW    1       LINK                                     
REVDAT   3   04-DEC-19 5IXW    1       REMARK                                   
REVDAT   2   13-SEP-17 5IXW    1       REMARK                                   
REVDAT   1   09-AUG-17 5IXW    0                                                
JRNL        AUTH   V.KUMAR,F.VAN DEN AKKER                                      
JRNL        TITL   CRYSTAL STRUCTURE OF THE SIGNALING PROTEIN COMPLEX 3         
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.46 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0073                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.46                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.07                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 21331                          
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) : 0.156                           
REMARK   3   R VALUE            (WORKING SET) : 0.153                           
REMARK   3   FREE R VALUE                     : 0.211                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.300                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1191                            
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) : 2.46                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.53                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1574                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.16                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3710                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 78                           
REMARK   3   BIN FREE R VALUE                    : 0.6080                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2864                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 107                                     
REMARK   3   SOLVENT ATOMS            : 59                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 49.28                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -20.14000                                            
REMARK   3    B22 (A**2) : 7.79000                                              
REMARK   3    B33 (A**2) : 12.35000                                             
REMARK   3    B12 (A**2) : -13.08000                                            
REMARK   3    B13 (A**2) : 13.20000                                             
REMARK   3    B23 (A**2) : -46.51000                                            
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.047         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.043         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.122         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.218         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.968                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.938                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3081 ; 0.011 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  2795 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4189 ; 1.598 ; 2.001       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  6447 ; 0.714 ; 3.002       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   368 ; 6.437 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   145 ;38.939 ;24.759       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   498 ;18.551 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    11 ;17.224 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   431 ; 0.120 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3527 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   726 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  1463 ; 3.082 ; 4.804       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  1462 ; 3.075 ; 4.802       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1828 ; 4.512 ; 7.207       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1829 ; 4.512 ; 7.208       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1618 ; 3.348 ; 5.052       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  1616 ; 3.344 ; 5.052       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  2359 ; 4.953 ; 7.438       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  3733 ; 7.394 ;39.223       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  3723 ; 7.392 ;39.214       
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  TWIN DETAILS                                                        
REMARK   3   NUMBER OF TWIN DOMAINS  : 2                                        
REMARK   3      TWIN DOMAIN   : 1                                               
REMARK   3      TWIN OPERATOR : H, K, L                                         
REMARK   3      TWIN FRACTION : 0.503                                           
REMARK   3      TWIN DOMAIN   : 2                                               
REMARK   3      TWIN OPERATOR : L, -K, H                                        
REMARK   3      TWIN FRACTION : 0.497                                           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 5IXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAR-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000219635.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-AUG-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL7-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97945                            
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 325 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 21331                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.460                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.070                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 11.60                              
REMARK 200  R MERGE                    (I) : 0.13400                            
REMARK 200  R SYM                      (I) : 0.11700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.46                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.55                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.55000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.050                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 4IAM                                                 
REMARK 200                                                                      
REMARK 200 REMARK: RED COLORED CRYSTALS                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 66.57                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.68                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.9M SODIUM MALONATE, PH 7.0, VAPOR      
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 295K                           
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       61.41500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       61.41500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       61.41500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       61.41500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       61.41500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       61.41500            
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       61.41500            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       61.41500            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       61.41500            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       61.41500            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       61.41500            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       61.41500            
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       61.41500            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       61.41500            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       61.41500            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       61.41500            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       61.41500            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       61.41500            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    THR A 125   CB  -  CA  -  C   ANGL. DEV. =  16.8 DEGREES          
REMARK 500    GLU B  19   CB  -  CA  -  C   ANGL. DEV. = -17.2 DEGREES          
REMARK 500    LEU B 110   CA  -  CB  -  CG  ANGL. DEV. =  15.8 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  33       20.44    -77.18                                   
REMARK 500    PHE A 112       72.83   -119.92                                   
REMARK 500    PRO A 113      -39.89    -38.23                                   
REMARK 500    LYS A 128       29.02   -140.27                                   
REMARK 500    ALA B  29        2.52    -62.94                                   
REMARK 500    ASP B  45      -30.50    -34.95                                   
REMARK 500    ARG B 116       70.21   -116.20                                   
REMARK 500    SER B 126     -169.57   -171.75                                   
REMARK 500    SER B 129      149.40   -172.72                                   
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 201  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 105   NE2                                                    
REMARK 620 2 HEM A 201   NA   88.4                                              
REMARK 620 3 HEM A 201   NB   87.1  90.1                                        
REMARK 620 4 HEM A 201   NC   97.0 174.2  88.1                                  
REMARK 620 5 HEM A 201   ND   99.6  88.6 173.1  92.6                            
REMARK 620 6 NVI A 202   N3  172.3  86.6  87.1  87.9  86.1                      
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   94.5                                              
REMARK 620 3 HEM B 501   NB   85.4  88.7                                        
REMARK 620 4 HEM B 501   NC   90.8 174.1  89.3                                  
REMARK 620 5 HEM B 501   ND  101.3  91.0 173.2  90.3                            
REMARK 620 6 NVI B 502   N3  168.3  95.0  87.9  79.4  85.4                      
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 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NVI A 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MLI A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue HEM B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NVI B 502                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5IXR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5IXV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5IXW   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5IXZ   RELATED DB: PDB                                   
DBREF  5IXW A    1   182  UNP    Q8YUQ7   Q8YUQ7_NOSS1     1    182             
DBREF  5IXW B    1   182  UNP    Q8YUQ7   Q8YUQ7_NOSS1     1    182             
SEQADV 5IXW ALA A  139  UNP  Q8YUQ7    CYS   139 ENGINEERED MUTATION            
SEQADV 5IXW ALA B  139  UNP  Q8YUQ7    CYS   139 ENGINEERED MUTATION            
SEQRES   1 A  182  MET TYR GLY LEU VAL ASN LYS ALA ILE GLN ASP MET ILE          
SEQRES   2 A  182  SER LYS HIS HIS GLY GLU ASP THR TRP GLU ALA ILE LYS          
SEQRES   3 A  182  GLN LYS ALA GLY LEU GLU ASP ILE ASP PHE PHE VAL GLY          
SEQRES   4 A  182  MET GLU ALA TYR SER ASP ASP VAL THR TYR HIS LEU VAL          
SEQRES   5 A  182  GLY ALA ALA SER GLU VAL LEU GLY LYS PRO ALA GLU GLU          
SEQRES   6 A  182  LEU LEU ILE ALA PHE GLY GLU TYR TRP VAL THR TYR THR          
SEQRES   7 A  182  SER GLU GLU GLY TYR GLY GLU LEU LEU ALA SER ALA GLY          
SEQRES   8 A  182  ASP SER LEU PRO GLU PHE MET GLU ASN LEU ASP ASN LEU          
SEQRES   9 A  182  HIS ALA ARG VAL GLY LEU SER PHE PRO GLN LEU ARG PRO          
SEQRES  10 A  182  PRO ALA PHE GLU CYS GLN HIS THR SER SER LYS SER MET          
SEQRES  11 A  182  GLU LEU HIS TYR GLN SER THR ARG ALA GLY LEU ALA PRO          
SEQRES  12 A  182  MET VAL LEU GLY LEU LEU HIS GLY LEU GLY LYS ARG PHE          
SEQRES  13 A  182  GLN THR LYS VAL GLU VAL THR GLN THR ALA PHE ARG GLU          
SEQRES  14 A  182  THR GLY GLU ASP HIS ASP ILE PHE SER ILE LYS TYR GLU          
SEQRES   1 B  182  MET TYR GLY LEU VAL ASN LYS ALA ILE GLN ASP MET ILE          
SEQRES   2 B  182  SER LYS HIS HIS GLY GLU ASP THR TRP GLU ALA ILE LYS          
SEQRES   3 B  182  GLN LYS ALA GLY LEU GLU ASP ILE ASP PHE PHE VAL GLY          
SEQRES   4 B  182  MET GLU ALA TYR SER ASP ASP VAL THR TYR HIS LEU VAL          
SEQRES   5 B  182  GLY ALA ALA SER GLU VAL LEU GLY LYS PRO ALA GLU GLU          
SEQRES   6 B  182  LEU LEU ILE ALA PHE GLY GLU TYR TRP VAL THR TYR THR          
SEQRES   7 B  182  SER GLU GLU GLY TYR GLY GLU LEU LEU ALA SER ALA GLY          
SEQRES   8 B  182  ASP SER LEU PRO GLU PHE MET GLU ASN LEU ASP ASN LEU          
SEQRES   9 B  182  HIS ALA ARG VAL GLY LEU SER PHE PRO GLN LEU ARG PRO          
SEQRES  10 B  182  PRO ALA PHE GLU CYS GLN HIS THR SER SER LYS SER MET          
SEQRES  11 B  182  GLU LEU HIS TYR GLN SER THR ARG ALA GLY LEU ALA PRO          
SEQRES  12 B  182  MET VAL LEU GLY LEU LEU HIS GLY LEU GLY LYS ARG PHE          
SEQRES  13 B  182  GLN THR LYS VAL GLU VAL THR GLN THR ALA PHE ARG GLU          
SEQRES  14 B  182  THR GLY GLU ASP HIS ASP ILE PHE SER ILE LYS TYR GLU          
HET    HEM  A 201      43                                                       
HET    NVI  A 202       7                                                       
HET    MLI  A 203       7                                                       
HET    HEM  B 501      43                                                       
HET    NVI  B 502       7                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     NVI 1-VINYLIMIDAZOLE                                                 
HETNAM     MLI MALONATE ION                                                     
HETSYN     HEM HEME                                                             
FORMUL   3  HEM    2(C34 H32 FE N4 O4)                                          
FORMUL   4  NVI    2(C5 H7 N2 1+)                                               
FORMUL   5  MLI    C3 H2 O4 2-                                                  
FORMUL   8  HOH   *59(H2 O)                                                     
HELIX    1 AA1 TYR A    2  ALA A   29  1                                  28    
HELIX    2 AA2 SER A   44  GLY A   60  1                                  17    
HELIX    3 AA3 PRO A   62  GLU A   81  1                                  20    
HELIX    4 AA4 TYR A   83  SER A   89  1                                   7    
HELIX    5 AA5 SER A   93  ASN A  100  1                                   8    
HELIX    6 AA6 ASN A  100  PHE A  112  1                                  13    
HELIX    7 AA7 LEU A  141  PHE A  156  1                                  16    
HELIX    8 AA8 PHE A  167  GLY A  171  5                                   5    
HELIX    9 AA9 GLY B    3  GLY B   18  1                                  16    
HELIX   10 AB1 GLY B   18  ALA B   29  1                                  12    
HELIX   11 AB2 SER B   44  GLY B   60  1                                  17    
HELIX   12 AB3 PRO B   62  GLU B   81  1                                  20    
HELIX   13 AB4 TYR B   83  ALA B   90  1                                   8    
HELIX   14 AB5 SER B   93  ASN B  100  1                                   8    
HELIX   15 AB6 ASN B  100  PHE B  112  1                                  13    
HELIX   16 AB7 LEU B  141  PHE B  156  1                                  16    
HELIX   17 AB8 PHE B  167  GLY B  171  5                                   5    
SHEET    1 AA1 4 ALA A 119  SER A 126  0                                        
SHEET    2 AA1 4 SER A 129  GLN A 135 -1  O  HIS A 133   N  GLU A 121           
SHEET    3 AA1 4 ASP A 175  TYR A 181 -1  O  ASP A 175   N  TYR A 134           
SHEET    4 AA1 4 VAL A 160  ALA A 166 -1  N  THR A 163   O  SER A 178           
SHEET    1 AA2 4 ALA B 119  HIS B 124  0                                        
SHEET    2 AA2 4 SER B 129  GLN B 135 -1  O  GLN B 135   N  ALA B 119           
SHEET    3 AA2 4 ASP B 175  TYR B 181 -1  O  ASP B 175   N  TYR B 134           
SHEET    4 AA2 4 VAL B 160  ALA B 166 -1  N  GLU B 161   O  LYS B 180           
LINK         NE2 HIS A 105                FE   HEM A 201     1555   1555  1.95  
LINK        FE   HEM A 201                 N3  NVI A 202     1555   1555  1.99  
LINK         NE2 HIS B 105                FE   HEM B 501     1555   1555  1.97  
LINK        FE   HEM B 501                 N3  NVI B 502     1555   1555  1.98  
SITE     1 AC1 18 MET A   1  TYR A   2  TRP A  74  TYR A  83                    
SITE     2 AC1 18 PHE A  97  LEU A 104  HIS A 105  VAL A 108                    
SITE     3 AC1 18 LEU A 115  ARG A 116  PRO A 118  TYR A 134                    
SITE     4 AC1 18 SER A 136  ARG A 138  MET A 144  LEU A 148                    
SITE     5 AC1 18 NVI A 202  HOH A 302                                          
SITE     1 AC2  5 VAL A   5  PHE A  70  TRP A  74  LEU A 148                    
SITE     2 AC2  5 HEM A 201                                                     
SITE     1 AC3  4 HIS A  16  HIS A  17  LYS A  61  LEU A  66                    
SITE     1 AC4 15 MET B   1  TYR B   2  TRP B  74  THR B  78                    
SITE     2 AC4 15 TYR B  83  PHE B  97  HIS B 105  LEU B 115                    
SITE     3 AC4 15 ARG B 116  PRO B 118  TYR B 134  SER B 136                    
SITE     4 AC4 15 ARG B 138  LEU B 148  NVI B 502                               
SITE     1 AC5  5 VAL B   5  TRP B  74  MET B 144  LEU B 148                    
SITE     2 AC5  5 HEM B 501                                                     
CRYST1  122.830  122.830  122.830  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      0.008141  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008141  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008141        0.00000