HEADER    TRANSFERASE                             06-JAN-00   1DRQ              
OBSLTE     21-JAN-03 1DRQ      1LT0                                             
TITLE     CRYSTAL STRUCTURE OF THE CYANIDE-BOUND BJFIXL HEME DOMAIN             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SENSOR PROTEIN FIXL;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: HEME DOMAIN;                                               
COMPND   5 EC: 2.7.3.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BRADYRHIZOBIUM JAPONICUM;                       
SOURCE   3 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   4 EXPRESSION_SYSTEM_COMMON: BACTERIA;                                  
SOURCE   5 EXPRESSION_SYSTEM_VECTOR: PRJ7349                                    
KEYWDS    FIXL, HEME DOMAIN, CRYSTAL STRUCTURE, PAS FAMILY, TWO-                
KEYWDS   2 COMPONENT SYSTEM, HISTIDINE KINASE                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.GONG,B.HAO,S.S.MANSY,G.GONZALEZ,M.A.GILLES-GONZALEZ,                
AUTHOR   2 M.K.CHAN                                                             
REVDAT   1   24-JAN-00 1DRQ    0                                                
SPRSDE     24-JAN-00 1DRQ      1BV5                                             
JRNL        AUTH   W.GONG,B.HAO,S.S.MANSY,G.GONZALEZ,                           
JRNL        AUTH 2 M.A.GILLES-GONZALEZ,M.K.CHAN                                 
JRNL        TITL   STRUCTURE OF A BIOLOGICAL OXYGEN SENSOR: A NEW               
JRNL        TITL 2 MECHANISM FOR HEME-DRIVEN SIGNAL TRANSDUCTION.               
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  95 15177 1998              
JRNL        REFN   ASTM PNASA6  US ISSN 0027-8424                               
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. 2.70 ANGSTROMS.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 83.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 4402                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.261                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 352                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 996                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 51                                      
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.012                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.68                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: USED WEIGHTED FULL MATRIX LEAST           
REMARK   3  SQUARES PROCEDURE.                                                  
REMARK   4                                                                      
REMARK   4 1DRQ COMPLIES WITH FORMAT V. 3.0, 1-DEC-2006                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                               
REMARK 100 THE RCSB ID CODE IS RCSB010317.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 7.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.6984                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 4402                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 83.7                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.04900                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 20.00                    
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.21500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.95                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.15                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, MPD, HEPES, PH          
REMARK 280  7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   2/3+X,1/3+Y,1/3+Z                                       
REMARK 290       8555   2/3-Y,1/3+X-Y,1/3+Z                                     
REMARK 290       9555   2/3-X+Y,1/3-X,1/3+Z                                     
REMARK 290      10555   2/3+Y,1/3+X,1/3-Z                                       
REMARK 290      11555   2/3+X-Y,1/3-Y,1/3-Z                                     
REMARK 290      12555   2/3-X,1/3-X+Y,1/3-Z                                     
REMARK 290      13555   1/3+X,2/3+Y,2/3+Z                                       
REMARK 290      14555   1/3-Y,2/3+X-Y,2/3+Z                                     
REMARK 290      15555   1/3-X+Y,2/3-X,2/3+Z                                     
REMARK 290      16555   1/3+Y,2/3+X,2/3-Z                                       
REMARK 290      17555   1/3+X-Y,2/3-Y,2/3-Z                                     
REMARK 290      18555   1/3-X,2/3-X+Y,2/3-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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       64.40000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       37.18136            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       19.63333            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       64.40000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       37.18136            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       19.63333            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       64.40000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       37.18136            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       19.63333            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       64.40000            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       37.18136            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       19.63333            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       64.40000            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       37.18136            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       19.63333            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       64.40000            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       37.18136            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       19.63333            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       74.36271            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       39.26667            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       74.36271            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000       39.26667            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       74.36271            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000       39.26667            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       74.36271            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       39.26667            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       74.36271            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000       39.26667            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       74.36271            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000       39.26667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 350                                                                      
REMARK 350 GENERATING THE BIOMOLECULE                                           
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 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 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     MET A   140                                                      
REMARK 465     ARG A   141                                                      
REMARK 465     GLU A   142                                                      
REMARK 465     THR A   143                                                      
REMARK 465     HIS A   144                                                      
REMARK 465     LEU A   145                                                      
REMARK 465     ARG A   146                                                      
REMARK 465     SER A   147                                                      
REMARK 465     ILE A   148                                                      
REMARK 465     LEU A   149                                                      
REMARK 465     HIS A   150                                                      
REMARK 465     THR A   151                                                      
REMARK 465     ILE A   152                                                      
REMARK 465     PRO A   153                                                      
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                             
REMARK 500  FE    HEM A   719     C1   CN  A   500              2.02            
REMARK 500   NE2  HIS A   200    FE    HEM A   719              2.05            
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: ENGH AND HUBER, 1991                                
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ILE A 184   N   -  CA  -  C   ANGL. DEV. = 10.3 DEGREES           
REMARK 500    ASN A 189   CB  -  CA  -  C   ANGL. DEV. =-12.1 DEGREES           
REMARK 500    LEU A 236   CA  -  CB  -  CG  ANGL. DEV. = 10.7 DEGREES           
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BV6   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE LIGAND FREE BJFIXL HEME DOMAIN              
REMARK 900 RELATED ID: 1BV5   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF CYANIDE-BOUND BJFIXL HEME DOMAIN                
REMARK 900 RELATED ID: 1DP6   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF OXYGEN-BOUND BJFIXL HEME DOMAIN                 
REMARK 900 RELATED ID: 1DP8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF NO-BOUND BJFIXL HEME DOMAIN                     
REMARK 900 RELATED ID: 1DP9   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF IMIDAZOLE-BOUND BJFIXL HEME DOMAIN              
DBREF  1DRQ A  140   270  UNP    P23222   FIXL_BRAJA     140    270             
SEQADV 1DRQ MET A  140  UNP  P23222    THR   140 CONFLICT                       
SEQRES   1 A  131  MET ARG GLU THR HIS LEU ARG SER ILE LEU HIS THR ILE          
SEQRES   2 A  131  PRO ASP ALA MET ILE VAL ILE ASP GLY HIS GLY ILE ILE          
SEQRES   3 A  131  GLN LEU PHE SER THR ALA ALA GLU ARG LEU PHE GLY TRP          
SEQRES   4 A  131  SER GLU LEU GLU ALA ILE GLY GLN ASN VAL ASN ILE LEU          
SEQRES   5 A  131  MET PRO GLU PRO ASP ARG SER ARG HIS ASP SER TYR ILE          
SEQRES   6 A  131  SER ARG TYR ARG THR THR SER ASP PRO HIS ILE ILE GLY          
SEQRES   7 A  131  ILE GLY ARG ILE VAL THR GLY LYS ARG ARG ASP GLY THR          
SEQRES   8 A  131  THR PHE PRO MET HIS LEU SER ILE GLY GLU MET GLN SER          
SEQRES   9 A  131  GLY GLY GLU PRO TYR PHE THR GLY PHE VAL ARG ASP LEU          
SEQRES  10 A  131  THR GLU HIS GLN GLN THR GLN ALA ARG LEU GLN GLU LEU          
SEQRES  11 A  131  GLN                                                          
HET    HEM  A 719      43                                                       
HET     CN  A 500       2                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM      CN CYANIDE                                                          
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3   CN    C H N                                                        
FORMUL   4  HOH   *51(H2 O)                                                     
HELIX    1   1 SER A  169  GLY A  177  1                                   9    
HELIX    2   2 SER A  179  GLY A  185  1                                   7    
HELIX    3   3 VAL A  188  MET A  192  5                                   5    
HELIX    4   4 PRO A  195  SER A  211  1                                  17    
HELIX    5   5 LEU A  256  LEU A  269  1                                  14    
SHEET    1   A 5 ILE A 165  PHE A 168  0                                        
SHEET    2   A 5 ALA A 155  ILE A 159 -1  O  VAL A 158   N  GLN A 166           
SHEET    3   A 5 GLU A 246  ASP A 255 -1  N  PHE A 249   O  ILE A 159           
SHEET    4   A 5 THR A 231  SER A 243 -1  N  HIS A 235   O  ARG A 254           
SHEET    5   A 5 ARG A 220  LYS A 225 -1  O  ARG A 220   N  LEU A 236           
CISPEP   1 GLU A  194    PRO A  195          0        -0.20                     
CRYST1  128.800  128.800   58.900  90.00  90.00 120.00 H 3 2        18          
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      0.007764  0.004483  0.000000        0.00000                         
SCALE2      0.000000  0.008965  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.016978        0.00000