HEADER    TRANSFERASE                             19-MAY-02   1LSV              
TITLE     CRYSTAL STRUCTURE OF THE CO-BOUND BJFIXL HEME DOMAIN                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SENSOR PROTEIN FIXL;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: HEME DOMAIN (RESIDUES 141-270);                            
COMPND   5 EC: 2.7.3.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BRADYRHIZOBIUM JAPONICUM;                       
SOURCE   3 ORGANISM_TAXID: 375;                                                 
SOURCE   4 GENE: FIXL;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: TG1;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PBH32                                     
KEYWDS    PAS FOLD, TRANSFERASE                                                 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.HAO,C.ISAZA,J.ARNDT,M.SOLTIS,M.K.CHAN                               
REVDAT   3   14-FEB-24 1LSV    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 1LSV    1       VERSN                                    
REVDAT   1   20-NOV-02 1LSV    0                                                
JRNL        AUTH   B.HAO,C.ISAZA,J.ARNDT,M.SOLTIS,M.K.CHAN                      
JRNL        TITL   STRUCTURE-BASED MECHANISM OF O2 SENSING AND LIGAND           
JRNL        TITL 2 DISCRIMINATION BY THE FIXL HEME DOMAIN OF BRADYRHIZOBIUM     
JRNL        TITL 3 JAPONICUM                                                    
JRNL        REF    BIOCHEMISTRY                  V.  41 12952 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12390021                                                     
JRNL        DOI    10.1021/BI020144L                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.40 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) : 2.40                           
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)   (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 7120                           
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 SET) : 0.215                           
REMARK   3   FREE R VALUE                     : 0.251                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 614                             
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) : 2.40                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.51                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.80                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1960                       
REMARK   3   BIN FREE R VALUE                    : 0.2740                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 85                           
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            : 923                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 45                                      
REMARK   3   SOLVENT ATOMS            : 38                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.60                          
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) : 0.014                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.680                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1LSV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000016249.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-FEB-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9790                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45178                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.300                              
REMARK 200  R MERGE                    (I) : 0.04400                            
REMARK 200  R SYM                      (I) : 0.04400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 14.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.44                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.31500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1DRM                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.02                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, MPD, HEPS, PH 7.5,      
REMARK 280  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   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
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       63.50500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       36.66463            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       19.38000            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       63.50500            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       36.66463            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       19.38000            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       63.50500            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       36.66463            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       19.38000            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       63.50500            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       36.66463            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       19.38000            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       63.50500            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       36.66463            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       19.38000            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       63.50500            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       36.66463            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       19.38000            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       73.32926            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       38.76000            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       73.32926            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000       38.76000            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       73.32926            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000       38.76000            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       73.32926            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       38.76000            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       73.32926            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000       38.76000            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       73.32926            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000       38.76000            
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: MONOMERIC                         
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A 254    CG   CD   NE   CZ   NH1  NH2                        
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    ILE A 184      -28.20    -39.63                                   
REMARK 500    ILE A 215      -32.77   -134.76                                   
REMARK 500    ILE A 218      -50.85   -125.43                                   
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 719  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 200   NE2                                                    
REMARK 620 2 HEM A 719   NA   94.7                                              
REMARK 620 3 HEM A 719   NB   89.4  90.8                                        
REMARK 620 4 HEM A 719   NC   89.6 175.7  88.8                                  
REMARK 620 5 HEM A 719   ND   88.3  91.6 176.8  89.0                            
REMARK 620 6 CMO A 500   C   174.4  79.8  89.8  95.9  92.7                      
REMARK 620 7 CMO A 500   O   176.7  87.1  93.3  88.6  88.9   8.1                
REMARK 620 N                    1     2     3     4     5     6                 
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 719                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 500                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DP6   RELATED DB: PDB                                   
REMARK 900 OXYGEN-BINDING COMPLEX OF FIXL HEME DOMAIN                           
REMARK 900 RELATED ID: 1DP8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE NITRIC OXIDE BOUND FIXL HEME DOMAIN         
REMARK 900 RELATED ID: 1DP9   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF IMIDAZOLE-BOUND FIXL HEME DOMAIN                
REMARK 900 RELATED ID: 1DRM   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE LIGAND FREE BJFIXL HEME DOMAIN              
REMARK 900 RELATED ID: 1LSW   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE FERROUS BJFIXL HEME DOMAIN                  
REMARK 900 RELATED ID: 1LSX   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE METHYLIMIDAZOLE-BOUND BJFIXL HEME DOMAIN    
REMARK 900 RELATED ID: 1LT0   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE CN-BOUND BJFIXL HEME DOMAIN                 
DBREF  1LSV A  141   270  UNP    P23222   FIXL_BRAJA     141    270             
SEQADV 1LSV MET A  140  UNP  P23222              INITIATING METHIONINE          
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    CMO  A 500       2                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CMO CARBON MONOXIDE                                                  
HETSYN     HEM HEME                                                             
FORMUL   2  HEM    C34 H32 FE N4 O4                                             
FORMUL   3  CMO    C O                                                          
FORMUL   4  HOH   *38(H2 O)                                                     
HELIX    1   1 SER A  169  GLY A  177  1                                   9    
HELIX    2   2 SER A  179  ILE A  184  1                                   6    
HELIX    3   3 ASN A  187  MET A  192  5                                   6    
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  ASP A 160 -1  N  VAL A 158   O  GLN A 166           
SHEET    3   A 5 GLU A 246  ASP A 255 -1  O  VAL A 253   N  ALA A 155           
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  N  GLY A 224   O  PHE A 232           
LINK         NE2 HIS A 200                FE   HEM A 719     1555   1555  2.07  
LINK         C   CMO A 500                FE   HEM A 719     1555   1555  1.98  
LINK         O   CMO A 500                FE   HEM A 719     1555   1555  2.97  
CISPEP   1 GLU A  194    PRO A  195          0         1.84                     
SITE     1 AC1 21 HOH A  14  HOH A  15  ILE A 157  VAL A 188                    
SITE     2 AC1 21 LEU A 191  MET A 192  ASP A 196  HIS A 200                    
SITE     3 AC1 21 TYR A 203  PRO A 213  HIS A 214  ILE A 215                    
SITE     4 AC1 21 ILE A 216  ARG A 220  VAL A 222  THR A 223                    
SITE     5 AC1 21 LEU A 236  ILE A 238  PHE A 249  GLY A 251                    
SITE     6 AC1 21 CMO A 500                                                     
SITE     1 AC2  4 ILE A 215  LEU A 236  ILE A 238  HEM A 719                    
CRYST1  127.010  127.010   58.140  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      0.007873  0.004546  0.000000        0.00000                         
SCALE2      0.000000  0.009091  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.017200        0.00000