HEADER    OXIDOREDUCTASE                          09-OCT-01   1IRM              
TITLE     CRYSTAL STRUCTURE OF APO HEME OXYGENASE-1                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: APO HEME OXYGENASE-1;                                      
COMPND   3 CHAIN: C, A, B;                                                      
COMPND   4 FRAGMENT: RESIDUES 1-267;                                            
COMPND   5 SYNONYM: HO-1;                                                       
COMPND   6 EC: 1.14.99.3;                                                       
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                              
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                         
SOURCE   4 ORGANISM_TAXID: 10116;                                               
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: JM109;                                     
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PBACE                                     
KEYWDS    DISORDERED ALPHA HELIX, APO FORM OF HEMOPROTEIN, OXIDOREDUCTASE       
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.SUGISHIMA,H.SAKAMOTO,Y.KAKUTA,Y.OMATA,S.HAYASHI,M.NOGUCHI,          
AUTHOR   2 K.FUKUYAMA                                                           
REVDAT   5   25-OCT-23 1IRM    1       REMARK                                   
REVDAT   4   24-FEB-09 1IRM    1       VERSN                                    
REVDAT   3   01-APR-03 1IRM    1       JRNL                                     
REVDAT   2   14-JAN-03 1IRM    1       REMARK                                   
REVDAT   1   10-JUL-02 1IRM    0                                                
JRNL        AUTH   M.SUGISHIMA,H.SAKAMOTO,Y.KAKUTA,Y.OMATA,S.HAYASHI,M.NOGUCHI, 
JRNL        AUTH 2 K.FUKUYAMA                                                   
JRNL        TITL   CRYSTAL STRUCTURE OF RAT APO-HEME OXYGENASE-1 (HO-1):        
JRNL        TITL 2 MECHANISM OF HEME BINDING IN HO-1 INFERRED FROM STRUCTURAL   
JRNL        TITL 3 COMPARISON OF THE APO AND HEME COMPLEX FORMS                 
JRNL        REF    BIOCHEMISTRY                  V.  41  7293 2002              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   12044160                                                     
JRNL        DOI    10.1021/BI025662A                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.SUGISHIMA,Y.OMATA,Y.KAKUTA,H.SAKAMOTO,M.NOGUCHI,K.FUKUYAMA 
REMARK   1  TITL   CRYSTAL STRUCTURE OF RAT HEME OXYGENASE-1 IN COMPLEX WITH    
REMARK   1  TITL 2 HEME                                                         
REMARK   1  REF    FEBS LETT.                    V. 471    61 2000              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1  DOI    10.1016/S0014-5793(00)01353-3                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   Y.OMATA,S.ASADA,H.SAKAMOTO,K.FUKUYAMA,M.NOGUCHI              
REMARK   1  TITL   CRYSTALLIZATION AND PRELIMINARY X-RAY DIFFRACTION STUDIES ON 
REMARK   1  TITL 2 THE WATER SOLUBLE FORM OF RAT HEME OXYGENASE-1 IN COMPLEX    
REMARK   1  TITL 3 WITH HEME                                                    
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  54  1017 1998              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444998003448                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.55 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.55                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 46.63                          
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)   (%) : 96.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 24264                          
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 BUT, THE PAIRS OF TWIN   
REMARK   3                                      RELATED REFLECTIONS ARE IN      
REMARK   3                                      THE SAME SET                    
REMARK   3   R VALUE            (WORKING SET) : 0.202                           
REMARK   3   FREE R VALUE                     : 0.307                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.600                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1110                            
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           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.55                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.64                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 85.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2068                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3220                       
REMARK   3   BIN FREE R VALUE                    : 0.3853                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.57                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 99                           
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            : 4749                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 87                                      
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) : -8.29400                                             
REMARK   3    B22 (A**2) : -7.90600                                             
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : -8.29400                                             
REMARK   3    B13 (A**2) : 16.58800                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.33                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.47                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
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) : 0.009                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.464                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.26                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.968                           
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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: TO SOLVE THE STRUCTURE OF MEROHEDRAL      
REMARK   3  TWINNING CRYSTAL, LSQ REFINEMENT TARGET USED AS ( FO - K( SQRT      
REMARK   3  0.55FC^2 + 0.45FC'^2] ) )^2                                         
REMARK   4                                                                      
REMARK   4 1IRM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-OCT-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000005214.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 24-APR-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL41XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.709                              
REMARK 200  MONOCHROMATOR                  : SI(111) DOUBLE MONOCHROMETOR       
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 25283                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.550                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.625                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 9.2000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.55                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.69                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.25000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1DVE                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.45                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG400, HEPES,         
REMARK 280  STRONTHIUM CHLORIDE, PH 8.0, VAPOR DIFFUSION, HANGING DROP,         
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
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       93.64000            
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       46.82000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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 C     1                                                      
REMARK 465     GLU C     2                                                      
REMARK 465     ARG C     3                                                      
REMARK 465     PRO C     4                                                      
REMARK 465     GLN C     5                                                      
REMARK 465     LEU C     6                                                      
REMARK 465     ASP C     7                                                      
REMARK 465     SER C     8                                                      
REMARK 465     MET C     9                                                      
REMARK 465     SER C    10                                                      
REMARK 465     GLN C    11                                                      
REMARK 465     ASP C    12                                                      
REMARK 465     LEU C    13                                                      
REMARK 465     SER C    14                                                      
REMARK 465     GLU C    15                                                      
REMARK 465     ALA C    16                                                      
REMARK 465     LEU C    17                                                      
REMARK 465     LYS C    18                                                      
REMARK 465     GLU C    19                                                      
REMARK 465     ALA C    20                                                      
REMARK 465     THR C    21                                                      
REMARK 465     LYS C    22                                                      
REMARK 465     GLU C    23                                                      
REMARK 465     VAL C    24                                                      
REMARK 465     HIS C    25                                                      
REMARK 465     ILE C    26                                                      
REMARK 465     ARG C    27                                                      
REMARK 465     ALA C    28                                                      
REMARK 465     GLU C    29                                                      
REMARK 465     LYS C   226                                                      
REMARK 465     ASP C   227                                                      
REMARK 465     GLN C   228                                                      
REMARK 465     SER C   229                                                      
REMARK 465     PRO C   230                                                      
REMARK 465     SER C   231                                                      
REMARK 465     GLN C   232                                                      
REMARK 465     THR C   233                                                      
REMARK 465     GLU C   234                                                      
REMARK 465     PHE C   235                                                      
REMARK 465     LEU C   236                                                      
REMARK 465     ARG C   237                                                      
REMARK 465     GLN C   238                                                      
REMARK 465     ARG C   239                                                      
REMARK 465     PRO C   240                                                      
REMARK 465     ALA C   241                                                      
REMARK 465     SER C   242                                                      
REMARK 465     LEU C   243                                                      
REMARK 465     VAL C   244                                                      
REMARK 465     GLN C   245                                                      
REMARK 465     ASP C   246                                                      
REMARK 465     THR C   247                                                      
REMARK 465     THR C   248                                                      
REMARK 465     SER C   249                                                      
REMARK 465     ALA C   250                                                      
REMARK 465     GLU C   251                                                      
REMARK 465     THR C   252                                                      
REMARK 465     PRO C   253                                                      
REMARK 465     ARG C   254                                                      
REMARK 465     GLY C   255                                                      
REMARK 465     LYS C   256                                                      
REMARK 465     SER C   257                                                      
REMARK 465     GLN C   258                                                      
REMARK 465     ILE C   259                                                      
REMARK 465     SER C   260                                                      
REMARK 465     THR C   261                                                      
REMARK 465     SER C   262                                                      
REMARK 465     SER C   263                                                      
REMARK 465     SER C   264                                                      
REMARK 465     GLN C   265                                                      
REMARK 465     THR C   266                                                      
REMARK 465     PRO C   267                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 465     ARG A     3                                                      
REMARK 465     PRO A     4                                                      
REMARK 465     GLN A     5                                                      
REMARK 465     LEU A     6                                                      
REMARK 465     ASP A     7                                                      
REMARK 465     SER A     8                                                      
REMARK 465     MET A     9                                                      
REMARK 465     SER A    10                                                      
REMARK 465     GLN A    11                                                      
REMARK 465     ASP A    12                                                      
REMARK 465     LEU A    13                                                      
REMARK 465     SER A    14                                                      
REMARK 465     GLU A    15                                                      
REMARK 465     ALA A    16                                                      
REMARK 465     LEU A    17                                                      
REMARK 465     LYS A    18                                                      
REMARK 465     GLU A    19                                                      
REMARK 465     ALA A    20                                                      
REMARK 465     THR A    21                                                      
REMARK 465     LYS A    22                                                      
REMARK 465     GLU A    23                                                      
REMARK 465     VAL A    24                                                      
REMARK 465     HIS A    25                                                      
REMARK 465     ILE A    26                                                      
REMARK 465     ARG A    27                                                      
REMARK 465     ALA A    28                                                      
REMARK 465     GLU A    29                                                      
REMARK 465     ASN A    30                                                      
REMARK 465     GLU A   223                                                      
REMARK 465     GLU A   224                                                      
REMARK 465     HIS A   225                                                      
REMARK 465     LYS A   226                                                      
REMARK 465     ASP A   227                                                      
REMARK 465     GLN A   228                                                      
REMARK 465     SER A   229                                                      
REMARK 465     PRO A   230                                                      
REMARK 465     SER A   231                                                      
REMARK 465     GLN A   232                                                      
REMARK 465     THR A   233                                                      
REMARK 465     GLU A   234                                                      
REMARK 465     PHE A   235                                                      
REMARK 465     LEU A   236                                                      
REMARK 465     ARG A   237                                                      
REMARK 465     GLN A   238                                                      
REMARK 465     ARG A   239                                                      
REMARK 465     PRO A   240                                                      
REMARK 465     ALA A   241                                                      
REMARK 465     SER A   242                                                      
REMARK 465     LEU A   243                                                      
REMARK 465     VAL A   244                                                      
REMARK 465     GLN A   245                                                      
REMARK 465     ASP A   246                                                      
REMARK 465     THR A   247                                                      
REMARK 465     THR A   248                                                      
REMARK 465     SER A   249                                                      
REMARK 465     ALA A   250                                                      
REMARK 465     GLU A   251                                                      
REMARK 465     THR A   252                                                      
REMARK 465     PRO A   253                                                      
REMARK 465     ARG A   254                                                      
REMARK 465     GLY A   255                                                      
REMARK 465     LYS A   256                                                      
REMARK 465     SER A   257                                                      
REMARK 465     GLN A   258                                                      
REMARK 465     ILE A   259                                                      
REMARK 465     SER A   260                                                      
REMARK 465     THR A   261                                                      
REMARK 465     SER A   262                                                      
REMARK 465     SER A   263                                                      
REMARK 465     SER A   264                                                      
REMARK 465     GLN A   265                                                      
REMARK 465     THR A   266                                                      
REMARK 465     PRO A   267                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLU B     2                                                      
REMARK 465     ARG B     3                                                      
REMARK 465     PRO B     4                                                      
REMARK 465     GLN B     5                                                      
REMARK 465     LEU B     6                                                      
REMARK 465     ASP B     7                                                      
REMARK 465     SER B     8                                                      
REMARK 465     MET B     9                                                      
REMARK 465     SER B    10                                                      
REMARK 465     GLN B    11                                                      
REMARK 465     ASP B    12                                                      
REMARK 465     LEU B    13                                                      
REMARK 465     SER B    14                                                      
REMARK 465     GLU B    15                                                      
REMARK 465     ALA B    16                                                      
REMARK 465     LEU B    17                                                      
REMARK 465     LYS B    18                                                      
REMARK 465     GLU B    19                                                      
REMARK 465     ALA B    20                                                      
REMARK 465     THR B    21                                                      
REMARK 465     LYS B    22                                                      
REMARK 465     GLU B    23                                                      
REMARK 465     VAL B    24                                                      
REMARK 465     HIS B    25                                                      
REMARK 465     ILE B    26                                                      
REMARK 465     ARG B    27                                                      
REMARK 465     ALA B    28                                                      
REMARK 465     GLU B    29                                                      
REMARK 465     GLY B   143                                                      
REMARK 465     GLY B   144                                                      
REMARK 465     GLU B   224                                                      
REMARK 465     HIS B   225                                                      
REMARK 465     LYS B   226                                                      
REMARK 465     ASP B   227                                                      
REMARK 465     GLN B   228                                                      
REMARK 465     SER B   229                                                      
REMARK 465     PRO B   230                                                      
REMARK 465     SER B   231                                                      
REMARK 465     GLN B   232                                                      
REMARK 465     THR B   233                                                      
REMARK 465     GLU B   234                                                      
REMARK 465     PHE B   235                                                      
REMARK 465     LEU B   236                                                      
REMARK 465     ARG B   237                                                      
REMARK 465     GLN B   238                                                      
REMARK 465     ARG B   239                                                      
REMARK 465     PRO B   240                                                      
REMARK 465     ALA B   241                                                      
REMARK 465     SER B   242                                                      
REMARK 465     LEU B   243                                                      
REMARK 465     VAL B   244                                                      
REMARK 465     GLN B   245                                                      
REMARK 465     ASP B   246                                                      
REMARK 465     THR B   247                                                      
REMARK 465     THR B   248                                                      
REMARK 465     SER B   249                                                      
REMARK 465     ALA B   250                                                      
REMARK 465     GLU B   251                                                      
REMARK 465     THR B   252                                                      
REMARK 465     PRO B   253                                                      
REMARK 465     ARG B   254                                                      
REMARK 465     GLY B   255                                                      
REMARK 465     LYS B   256                                                      
REMARK 465     SER B   257                                                      
REMARK 465     GLN B   258                                                      
REMARK 465     ILE B   259                                                      
REMARK 465     SER B   260                                                      
REMARK 465     THR B   261                                                      
REMARK 465     SER B   262                                                      
REMARK 465     SER B   263                                                      
REMARK 465     SER B   264                                                      
REMARK 465     GLN B   265                                                      
REMARK 465     THR B   266                                                      
REMARK 465     PRO B   267                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    ILE B   211     N    LEU B   213              2.13            
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    SER C  31     -135.32    -84.99                                   
REMARK 500    GLU C  32      -61.62   -136.16                                   
REMARK 500    ASN C  36       13.05    -62.83                                   
REMARK 500    LYS C  39      -97.38    -86.56                                   
REMARK 500    GLN C  41     -101.85    -65.84                                   
REMARK 500    VAL C  42      129.16      8.71                                   
REMARK 500    ARG C  44      -49.34    150.04                                   
REMARK 500    LYS C  69       39.53    -88.20                                   
REMARK 500    GLN C  70        3.70   -157.96                                   
REMARK 500    TYR C  74      -26.42   -162.95                                   
REMARK 500    PHE C  79       64.42   -117.68                                   
REMARK 500    LEU C  83      -51.76   -129.12                                   
REMARK 500    HIS C  84      127.34    -24.15                                   
REMARK 500    ARG C  86      -71.05    -35.07                                   
REMARK 500    HIS C 100       49.93    -78.04                                   
REMARK 500    HIS C 125       65.95   -158.07                                   
REMARK 500    ARG C 136      -92.40    -78.48                                   
REMARK 500    SER C 142      -63.29      1.45                                   
REMARK 500    LYS C 149       42.33    -80.84                                   
REMARK 500    ILE C 150      -31.16   -171.60                                   
REMARK 500    ALA C 154       48.79   -156.49                                   
REMARK 500    MET C 155        8.43   -176.68                                   
REMARK 500    GLU C 162      131.99    -34.28                                   
REMARK 500    LEU C 164       61.50   -105.83                                   
REMARK 500    PRO C 170       14.70    -69.80                                   
REMARK 500    LEU C 189      102.40    -59.82                                   
REMARK 500    THR C 192     -170.57    -65.04                                   
REMARK 500    LYS C 196       -9.28    -54.04                                   
REMARK 500    PHE C 214        1.88    -58.46                                   
REMARK 500    THR C 222      -59.73    -28.14                                   
REMARK 500    GLU C 224       89.00   -154.69                                   
REMARK 500    GLN A  38     -116.70    -59.70                                   
REMARK 500    LYS A  39      -66.78      6.59                                   
REMARK 500    GLN A  41     -103.27      5.11                                   
REMARK 500    VAL A  42       56.81     35.77                                   
REMARK 500    SER A  43      166.52    -24.64                                   
REMARK 500    ARG A  44      -71.95    -49.21                                   
REMARK 500    LEU A  61        0.96    -67.52                                   
REMARK 500    TYR A  74      -48.41   -141.21                                   
REMARK 500    ALA A  75      -42.96    -23.16                                   
REMARK 500    PRO A  76        6.78    -59.74                                   
REMARK 500    PHE A  79       72.82   -150.56                                   
REMARK 500    GLU A  82      -70.20    -54.99                                   
REMARK 500    ARG A  85      -32.91     90.27                                   
REMARK 500    PHE A  95      -73.16    -85.69                                   
REMARK 500    PRO A 106      105.66    -58.81                                   
REMARK 500    ALA A 110       -1.34    -59.30                                   
REMARK 500    HIS A 125       64.78   -154.13                                   
REMARK 500    GLU A 127        6.41    -59.33                                   
REMARK 500    ALA A 133      -70.28    -54.22                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      99 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QQ8   RELATED DB: PDB                                   
REMARK 900 1QQ8 CONTAINS HUMAN HEME OXYGENASE-1 (HO-1) IN COMPLEX WITH ITS      
REMARK 900 SUBSTRATE HEME AND CHLORIDE ION                                      
REMARK 900 RELATED ID: 1DVE   RELATED DB: PDB                                   
REMARK 900 1DVE CONTAINS THE SAME PROTEIN WITH HEME                             
REMARK 900 RELATED ID: 1DVG   RELATED DB: PDB                                   
REMARK 900 1DVG CONTAINS THE SAME PROTEIN COMPLEXED WITH HEME AND SELELENO-     
REMARK 900 METHIONINE DERIVATIVE, MUTATED AT M51T, M93L, M155L, M191L           
REMARK 900 RELATED ID: 1J77   RELATED DB: PDB                                   
REMARK 900 1J77 CONTAINS GRAM-NEGATIVE BACTERIAL HEME OXYGENASE COMPLEXED WITH  
REMARK 900 HEME                                                                 
DBREF  1IRM A    1   267  UNP    P06762   HMOX1_RAT        1    267             
DBREF  1IRM B    1   267  UNP    P06762   HMOX1_RAT        1    267             
DBREF  1IRM C    1   267  UNP    P06762   HMOX1_RAT        1    267             
SEQRES   1 C  267  MET GLU ARG PRO GLN LEU ASP SER MET SER GLN ASP LEU          
SEQRES   2 C  267  SER GLU ALA LEU LYS GLU ALA THR LYS GLU VAL HIS ILE          
SEQRES   3 C  267  ARG ALA GLU ASN SER GLU PHE MET ARG ASN PHE GLN LYS          
SEQRES   4 C  267  GLY GLN VAL SER ARG GLU GLY PHE LYS LEU VAL MET ALA          
SEQRES   5 C  267  SER LEU TYR HIS ILE TYR THR ALA LEU GLU GLU GLU ILE          
SEQRES   6 C  267  GLU ARG ASN LYS GLN ASN PRO VAL TYR ALA PRO LEU TYR          
SEQRES   7 C  267  PHE PRO GLU GLU LEU HIS ARG ARG ALA ALA LEU GLU GLN          
SEQRES   8 C  267  ASP MET ALA PHE TRP TYR GLY PRO HIS TRP GLN GLU ALA          
SEQRES   9 C  267  ILE PRO TYR THR PRO ALA THR GLN HIS TYR VAL LYS ARG          
SEQRES  10 C  267  LEU HIS GLU VAL GLY GLY THR HIS PRO GLU LEU LEU VAL          
SEQRES  11 C  267  ALA HIS ALA TYR THR ARG TYR LEU GLY ASP LEU SER GLY          
SEQRES  12 C  267  GLY GLN VAL LEU LYS LYS ILE ALA GLN LYS ALA MET ALA          
SEQRES  13 C  267  LEU PRO SER SER GLY GLU GLY LEU ALA PHE PHE THR PHE          
SEQRES  14 C  267  PRO SER ILE ASP ASN PRO THR LYS PHE LYS GLN LEU TYR          
SEQRES  15 C  267  ARG ALA ARG MET ASN THR LEU GLU MET THR PRO GLU VAL          
SEQRES  16 C  267  LYS HIS ARG VAL THR GLU GLU ALA LYS THR ALA PHE LEU          
SEQRES  17 C  267  LEU ASN ILE GLU LEU PHE GLU GLU LEU GLN ALA LEU LEU          
SEQRES  18 C  267  THR GLU GLU HIS LYS ASP GLN SER PRO SER GLN THR GLU          
SEQRES  19 C  267  PHE LEU ARG GLN ARG PRO ALA SER LEU VAL GLN ASP THR          
SEQRES  20 C  267  THR SER ALA GLU THR PRO ARG GLY LYS SER GLN ILE SER          
SEQRES  21 C  267  THR SER SER SER GLN THR PRO                                  
SEQRES   1 A  267  MET GLU ARG PRO GLN LEU ASP SER MET SER GLN ASP LEU          
SEQRES   2 A  267  SER GLU ALA LEU LYS GLU ALA THR LYS GLU VAL HIS ILE          
SEQRES   3 A  267  ARG ALA GLU ASN SER GLU PHE MET ARG ASN PHE GLN LYS          
SEQRES   4 A  267  GLY GLN VAL SER ARG GLU GLY PHE LYS LEU VAL MET ALA          
SEQRES   5 A  267  SER LEU TYR HIS ILE TYR THR ALA LEU GLU GLU GLU ILE          
SEQRES   6 A  267  GLU ARG ASN LYS GLN ASN PRO VAL TYR ALA PRO LEU TYR          
SEQRES   7 A  267  PHE PRO GLU GLU LEU HIS ARG ARG ALA ALA LEU GLU GLN          
SEQRES   8 A  267  ASP MET ALA PHE TRP TYR GLY PRO HIS TRP GLN GLU ALA          
SEQRES   9 A  267  ILE PRO TYR THR PRO ALA THR GLN HIS TYR VAL LYS ARG          
SEQRES  10 A  267  LEU HIS GLU VAL GLY GLY THR HIS PRO GLU LEU LEU VAL          
SEQRES  11 A  267  ALA HIS ALA TYR THR ARG TYR LEU GLY ASP LEU SER GLY          
SEQRES  12 A  267  GLY GLN VAL LEU LYS LYS ILE ALA GLN LYS ALA MET ALA          
SEQRES  13 A  267  LEU PRO SER SER GLY GLU GLY LEU ALA PHE PHE THR PHE          
SEQRES  14 A  267  PRO SER ILE ASP ASN PRO THR LYS PHE LYS GLN LEU TYR          
SEQRES  15 A  267  ARG ALA ARG MET ASN THR LEU GLU MET THR PRO GLU VAL          
SEQRES  16 A  267  LYS HIS ARG VAL THR GLU GLU ALA LYS THR ALA PHE LEU          
SEQRES  17 A  267  LEU ASN ILE GLU LEU PHE GLU GLU LEU GLN ALA LEU LEU          
SEQRES  18 A  267  THR GLU GLU HIS LYS ASP GLN SER PRO SER GLN THR GLU          
SEQRES  19 A  267  PHE LEU ARG GLN ARG PRO ALA SER LEU VAL GLN ASP THR          
SEQRES  20 A  267  THR SER ALA GLU THR PRO ARG GLY LYS SER GLN ILE SER          
SEQRES  21 A  267  THR SER SER SER GLN THR PRO                                  
SEQRES   1 B  267  MET GLU ARG PRO GLN LEU ASP SER MET SER GLN ASP LEU          
SEQRES   2 B  267  SER GLU ALA LEU LYS GLU ALA THR LYS GLU VAL HIS ILE          
SEQRES   3 B  267  ARG ALA GLU ASN SER GLU PHE MET ARG ASN PHE GLN LYS          
SEQRES   4 B  267  GLY GLN VAL SER ARG GLU GLY PHE LYS LEU VAL MET ALA          
SEQRES   5 B  267  SER LEU TYR HIS ILE TYR THR ALA LEU GLU GLU GLU ILE          
SEQRES   6 B  267  GLU ARG ASN LYS GLN ASN PRO VAL TYR ALA PRO LEU TYR          
SEQRES   7 B  267  PHE PRO GLU GLU LEU HIS ARG ARG ALA ALA LEU GLU GLN          
SEQRES   8 B  267  ASP MET ALA PHE TRP TYR GLY PRO HIS TRP GLN GLU ALA          
SEQRES   9 B  267  ILE PRO TYR THR PRO ALA THR GLN HIS TYR VAL LYS ARG          
SEQRES  10 B  267  LEU HIS GLU VAL GLY GLY THR HIS PRO GLU LEU LEU VAL          
SEQRES  11 B  267  ALA HIS ALA TYR THR ARG TYR LEU GLY ASP LEU SER GLY          
SEQRES  12 B  267  GLY GLN VAL LEU LYS LYS ILE ALA GLN LYS ALA MET ALA          
SEQRES  13 B  267  LEU PRO SER SER GLY GLU GLY LEU ALA PHE PHE THR PHE          
SEQRES  14 B  267  PRO SER ILE ASP ASN PRO THR LYS PHE LYS GLN LEU TYR          
SEQRES  15 B  267  ARG ALA ARG MET ASN THR LEU GLU MET THR PRO GLU VAL          
SEQRES  16 B  267  LYS HIS ARG VAL THR GLU GLU ALA LYS THR ALA PHE LEU          
SEQRES  17 B  267  LEU ASN ILE GLU LEU PHE GLU GLU LEU GLN ALA LEU LEU          
SEQRES  18 B  267  THR GLU GLU HIS LYS ASP GLN SER PRO SER GLN THR GLU          
SEQRES  19 B  267  PHE LEU ARG GLN ARG PRO ALA SER LEU VAL GLN ASP THR          
SEQRES  20 B  267  THR SER ALA GLU THR PRO ARG GLY LYS SER GLN ILE SER          
SEQRES  21 B  267  THR SER SER SER GLN THR PRO                                  
FORMUL   4  HOH   *87(H2 O)                                                     
HELIX    1   1 MET C   34  LYS C   39  1                                   6    
HELIX    2   2 GLY C   46  ASN C   68  1                                  23    
HELIX    3   3 TYR C   74  TYR C   78  5                                   5    
HELIX    4   4 PHE C   79  HIS C   84  1                                   6    
HELIX    5   5 ARG C   85  GLY C   98  1                                  14    
HELIX    6   6 HIS C  100  ILE C  105  1                                   6    
HELIX    7   7 THR C  108  HIS C  125  1                                  18    
HELIX    8   8 LEU C  128  ARG C  136  1                                   9    
HELIX    9   9 ARG C  136  SER C  142  1                                   7    
HELIX   10  10 GLY C  143  LEU C  147  5                                   5    
HELIX   11  11 ALA C  151  MET C  155  5                                   5    
HELIX   12  12 ASN C  174  ALA C  184  1                                  11    
HELIX   13  13 ARG C  185  ASN C  187  5                                   3    
HELIX   14  14 THR C  192  LEU C  220  1                                  29    
HELIX   15  15 SER A   31  ASN A   36  1                                   6    
HELIX   16  16 SER A   43  ASN A   68  1                                  26    
HELIX   17  17 TYR A   74  TYR A   78  5                                   5    
HELIX   18  18 ARG A   85  TYR A   97  1                                  13    
HELIX   19  19 HIS A  100  ILE A  105  1                                   6    
HELIX   20  20 THR A  108  HIS A  125  1                                  18    
HELIX   21  21 HIS A  125  SER A  142  1                                  18    
HELIX   22  22 GLY A  144  ALA A  156  1                                  13    
HELIX   23  23 LEU A  164  THR A  168  5                                   5    
HELIX   24  24 PHE A  178  THR A  188  1                                  11    
HELIX   25  25 THR A  192  GLU A  201  1                                  10    
HELIX   26  26 GLU A  201  GLN A  218  1                                  18    
HELIX   27  27 GLU B   32  ASN B   36  5                                   5    
HELIX   28  28 ARG B   44  GLU B   63  1                                  20    
HELIX   29  29 TYR B   74  TYR B   78  5                                   5    
HELIX   30  30 ARG B   85  TYR B   97  1                                  13    
HELIX   31  31 ALA B  110  VAL B  121  1                                  12    
HELIX   32  32 HIS B  125  LEU B  128  5                                   4    
HELIX   33  33 LEU B  129  ASP B  140  1                                  12    
HELIX   34  34 VAL B  146  GLN B  152  1                                   7    
HELIX   35  35 LEU B  164  THR B  168  5                                   5    
HELIX   36  36 PHE B  178  MET B  186  1                                   9    
HELIX   37  37 GLU B  194  ALA B  206  1                                  13    
HELIX   38  38 ALA B  206  GLN B  218  1                                  13    
CRYST1   70.210   70.210  140.460  90.00  90.00 120.00 P 32          9          
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      0.014243  0.008223  0.000000        0.00000                         
SCALE2      0.000000  0.016446  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007119        0.00000