PDB Short entry for 2PO5
HEADER    LYASE                                   25-APR-07   2PO5              
TITLE     CRYSTAL STRUCTURE OF HUMAN FERROCHELATASE MUTANT WITH HIS 263 REPLACED
TITLE    2 BY CYS                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: FERROCHELATASE, MITOCHONDRIAL;                             
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: MATURE PROTEIN;                                            
COMPND   5 SYNONYM: PROTOHEME FERRO-LYASE; HEME SYNTHETASE;                     
COMPND   6 EC: 4.99.1.1;                                                        
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: FECH;                                                          
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: JM109;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PHDTF20                                   
KEYWDS    FERROCHELATASE; H263C; FE2S2 CLUSTER; HEME BIOSYNTHESIS; PROTOHEME;   
KEYWDS   2 FERRO-LYASE; MATURE LENGTH; PROTEOLYTICALLY PROCESSED MITOCHONDRIAL  
KEYWDS   3 INNER MEMBRANE PROTEIN, LYASE                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    H.A.DAILEY,C.-K.WU,P.HORANYI,A.E.MEDLOCK,A.E.W.NAJAHI-MISSAOUI,       
AUTHOR   2 A.BURDEN,T.A.DAILEY,J.P.ROSE                                         
REVDAT   3   18-OCT-17 2PO5    1       REMARK                                   
REVDAT   2   24-FEB-09 2PO5    1       VERSN                                    
REVDAT   1   02-OCT-07 2PO5    0                                                
JRNL        AUTH   H.A.DAILEY,C.-K.WU,P.HORANYI,A.E.MEDLOCK,W.NAJAHI-MISSAOUI,  
JRNL        AUTH 2 A.E.BURDEN,T.A.DAILEY,J.P.ROSE                               
JRNL        TITL   ALTERED ORIENTATION OF ACTIVE SITE RESIDUES IN VARIANTS OF   
JRNL        TITL 2 HUMAN FERROCHELATASE. EVIDENCE FOR A HYDROGEN BOND NETWORK   
JRNL        TITL 3 INVOLVED IN CATALYSIS                                        
JRNL        REF    BIOCHEMISTRY                  V.  46  7973 2007              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   17567154                                                     
JRNL        DOI    10.1021/BI700151F                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.K.WU,H.A.DAILEY,J.P.ROSE,A.BURDEN,V.M.SELLERS,B.-C.WANG    
REMARK   1  TITL   THE 2.0 A STRUCTURE OF HUMAN FERROCHELATASE, THE TERMINAL    
REMARK   1  TITL 2 ENZYME OF HEME BIOSYNTHESIS                                  
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   8   156 2001              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   1  PMID   11175906                                                     
REMARK   1  DOI    10.1038/84152                                                
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   A.E.BURDEN,C.-K.WU,T.A.DAILEY,J.L.H.BUSCH,I.K.DHAWAN,        
REMARK   1  AUTH 2 J.P.ROSE,B.C.WANG,H.A.DAILEY                                 
REMARK   1  TITL   HUMAN FERROCHELATASE: CRYSTALLIZATION, CHARACTERIZATION OF   
REMARK   1  TITL 2 THE [2FE-2S] CLUSTER AND DETERMINATION THAT THE ENZYME IS A  
REMARK   1  TITL 3 HOMODIMER                                                    
REMARK   1  REF    BIOCHIM.BIOPHYS.ACTA          V.1435   191 1999              
REMARK   1  REFN                   ISSN 0006-3002                               
REMARK   1  PMID   10561552                                                     
REMARK   1  DOI    10.1016/S0167-4838(99)00196-X                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.90                          
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)   (%) : 96.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 44652                          
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) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2247                            
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           : 2                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.34                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2420                       
REMARK   3   BIN FREE R VALUE                    : 0.2720                       
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            : 5702                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 182                                     
REMARK   3   SOLVENT ATOMS            : 308                                     
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) : 7.94700                                              
REMARK   3    B22 (A**2) : 1.87000                                              
REMARK   3    B33 (A**2) : -9.53400                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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) : 0.005                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.211                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
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 : FLAT MODEL                                           
REMARK   3   KSOL        : 0.38                                                 
REMARK   3   BSOL        : 36.33                                                
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  : CNS_TOPPAR:PROTEIN_REP.PARAM                   
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : CHLOATE.PAR                                    
REMARK   3  PARAMETER FILE  4  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2PO5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-MAY-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042594.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-JUN-01                          
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) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : RIGAKU BLUE CONFOCAL OPTICS        
REMARK 200  OPTICS                         : RIGAKU BLUE CONFOCAL               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO 1.9.1                        
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK 1.9.1                    
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45450                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.06500                            
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) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
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: DIFFERENCE FOURIER           
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 54.94                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE GROWN BY HANGING DROP      
REMARK 280  VAPOR DIFFUSION USING 2 MICROLITER DROPS CONTAINING EQUAL           
REMARK 280  VOLUMES OF PROTEIN SOLUTION (50 MG/ML IN 50 MM TRIS MOPS, 0.1M      
REMARK 280  KCL, 1% NA- CHOLATE, 250 MM IMIDAZOLE, PH 8.1) AND PRECIPITANT      
REMARK 280  SOLUTION (0.1 M HEPES PH 7.5, 0.2 M AMMONIUM SULFATE, 34% PEG       
REMARK 280  400, 0.1 M SODIUM PHOSPHATE)., PH 7.50, VAPOR DIFFUSION, HANGING    
REMARK 280  DROP, TEMPERATURE 291K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       46.71000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       54.79000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       43.86500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       54.79000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       46.71000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       43.86500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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  65    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  66    CG   CD   CE   NZ                                   
REMARK 470     ARG A  96    CZ   NH1  NH2                                       
REMARK 470     LYS A 113    CG   CD   CE   NZ                                   
REMARK 470     LYS A 118    CG   CD   CE   NZ                                   
REMARK 470     LYS A 252    CG   CD   CE   NZ                                   
REMARK 470     LYS A 358    CG   CD   CE   NZ                                   
REMARK 470     GLU A 359    CG   CD   OE1  OE2                                  
REMARK 470     ARG B  65    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS B  66    CG   CD   CE   NZ                                   
REMARK 470     ARG B  96    CZ   NH1  NH2                                       
REMARK 470     LYS B 113    CG   CD   CE   NZ                                   
REMARK 470     LYS B 118    CG   CD   CE   NZ                                   
REMARK 470     LYS B 252    CG   CD   CE   NZ                                   
REMARK 470     LYS B 358    CG   CD   CE   NZ                                   
REMARK 470     GLU B 359    CG   CD   OE1  OE2                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ARG A  96   CD    ARG A  96   NE      0.616                       
REMARK 500    ARG B  96   CD    ARG B  96   NE     -0.132                       
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    ILE A 103       47.67     34.83                                   
REMARK 500    THR A 198      -83.02   -110.47                                   
REMARK 500    ARG A 215      141.37    178.44                                   
REMARK 500    TRP A 227       56.28   -165.64                                   
REMARK 500    TYR A 346      -63.27   -106.87                                   
REMARK 500    ILE A 350      -60.34    -99.73                                   
REMARK 500    GLN A 354      -60.18    -99.61                                   
REMARK 500    VAL A 355      -71.63    -71.83                                   
REMARK 500    ASN A 372     -109.18     34.15                                   
REMARK 500    MET B  99      133.17   -172.22                                   
REMARK 500    ILE B 103       54.35     33.64                                   
REMARK 500    THR B 198      -81.76   -109.39                                   
REMARK 500    TRP B 227       55.00   -165.57                                   
REMARK 500    TYR B 346      -64.12   -104.22                                   
REMARK 500    ILE B 350      -63.04    -98.42                                   
REMARK 500    VAL B 355      -75.43    -74.53                                   
REMARK 500    ASN B 372     -109.81     30.74                                   
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                             FES A 499  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 196   SG                                                     
REMARK 620 2 FES A 499   S1  115.2                                              
REMARK 620 3 FES A 499   S2  112.0 105.6                                        
REMARK 620 4 CYS A 403   SG   93.1 111.3 119.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES A 499  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 406   SG                                                     
REMARK 620 2 FES A 499   S1  118.8                                              
REMARK 620 3 FES A 499   S2  111.2 105.8                                        
REMARK 620 4 CYS A 411   SG   97.2 104.3 119.9                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES B 999  FE1                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 196   SG                                                     
REMARK 620 2 FES B 999   S1  116.6                                              
REMARK 620 3 FES B 999   S2  111.8 105.2                                        
REMARK 620 4 CYS B 403   SG   92.0 112.3 119.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             FES B 999  FE2                           
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS B 406   SG                                                     
REMARK 620 2 FES B 999   S1  115.3                                              
REMARK 620 3 FES B 999   S2  111.9 105.8                                        
REMARK 620 4 CYS B 411   SG   97.5 106.1 120.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES A 499                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FES B 999                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD A 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD A 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD A 503                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD B 501                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD B 502                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CHD B 503                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1HRK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2PNJ   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2PO7   RELATED DB: PDB                                   
DBREF  2PO5 A   65   423  UNP    P22830   HEMH_HUMAN      65    423             
DBREF  2PO5 B   65   423  UNP    P22830   HEMH_HUMAN      65    423             
SEQADV 2PO5 LEU A  115  UNP  P22830    ARG   115 ENGINEERED                     
SEQADV 2PO5 CYS A  263  UNP  P22830    HIS   263 ENGINEERED                     
SEQADV 2PO5 LEU B  115  UNP  P22830    ARG   115 ENGINEERED                     
SEQADV 2PO5 CYS B  263  UNP  P22830    HIS   263 ENGINEERED                     
SEQRES   1 A  359  ARG LYS PRO LYS THR GLY ILE LEU MET LEU ASN MET GLY          
SEQRES   2 A  359  GLY PRO GLU THR LEU GLY ASP VAL HIS ASP PHE LEU LEU          
SEQRES   3 A  359  ARG LEU PHE LEU ASP ARG ASP LEU MET THR LEU PRO ILE          
SEQRES   4 A  359  GLN ASN LYS LEU ALA PRO PHE ILE ALA LYS ARG LEU THR          
SEQRES   5 A  359  PRO LYS ILE GLN GLU GLN TYR ARG ARG ILE GLY GLY GLY          
SEQRES   6 A  359  SER PRO ILE LYS ILE TRP THR SER LYS GLN GLY GLU GLY          
SEQRES   7 A  359  MET VAL LYS LEU LEU ASP GLU LEU SER PRO ASN THR ALA          
SEQRES   8 A  359  PRO HIS LYS TYR TYR ILE GLY PHE ARG TYR VAL HIS PRO          
SEQRES   9 A  359  LEU THR GLU GLU ALA ILE GLU GLU MET GLU ARG ASP GLY          
SEQRES  10 A  359  LEU GLU ARG ALA ILE ALA PHE THR GLN TYR PRO GLN TYR          
SEQRES  11 A  359  SER CYS SER THR THR GLY SER SER LEU ASN ALA ILE TYR          
SEQRES  12 A  359  ARG TYR TYR ASN GLN VAL GLY ARG LYS PRO THR MET LYS          
SEQRES  13 A  359  TRP SER THR ILE ASP ARG TRP PRO THR HIS HIS LEU LEU          
SEQRES  14 A  359  ILE GLN CYS PHE ALA ASP HIS ILE LEU LYS GLU LEU ASP          
SEQRES  15 A  359  HIS PHE PRO LEU GLU LYS ARG SER GLU VAL VAL ILE LEU          
SEQRES  16 A  359  PHE SER ALA CYS SER LEU PRO MET SER VAL VAL ASN ARG          
SEQRES  17 A  359  GLY ASP PRO TYR PRO GLN GLU VAL SER ALA THR VAL GLN          
SEQRES  18 A  359  LYS VAL MET GLU ARG LEU GLU TYR CYS ASN PRO TYR ARG          
SEQRES  19 A  359  LEU VAL TRP GLN SER LYS VAL GLY PRO MET PRO TRP LEU          
SEQRES  20 A  359  GLY PRO GLN THR ASP GLU SER ILE LYS GLY LEU CYS GLU          
SEQRES  21 A  359  ARG GLY ARG LYS ASN ILE LEU LEU VAL PRO ILE ALA PHE          
SEQRES  22 A  359  THR SER ASP HIS ILE GLU THR LEU TYR GLU LEU ASP ILE          
SEQRES  23 A  359  GLU TYR SER GLN VAL LEU ALA LYS GLU CYS GLY VAL GLU          
SEQRES  24 A  359  ASN ILE ARG ARG ALA GLU SER LEU ASN GLY ASN PRO LEU          
SEQRES  25 A  359  PHE SER LYS ALA LEU ALA ASP LEU VAL HIS SER HIS ILE          
SEQRES  26 A  359  GLN SER ASN GLU LEU CYS SER LYS GLN LEU THR LEU SER          
SEQRES  27 A  359  CYS PRO LEU CYS VAL ASN PRO VAL CYS ARG GLU THR LYS          
SEQRES  28 A  359  SER PHE PHE THR SER GLN GLN LEU                              
SEQRES   1 B  359  ARG LYS PRO LYS THR GLY ILE LEU MET LEU ASN MET GLY          
SEQRES   2 B  359  GLY PRO GLU THR LEU GLY ASP VAL HIS ASP PHE LEU LEU          
SEQRES   3 B  359  ARG LEU PHE LEU ASP ARG ASP LEU MET THR LEU PRO ILE          
SEQRES   4 B  359  GLN ASN LYS LEU ALA PRO PHE ILE ALA LYS ARG LEU THR          
SEQRES   5 B  359  PRO LYS ILE GLN GLU GLN TYR ARG ARG ILE GLY GLY GLY          
SEQRES   6 B  359  SER PRO ILE LYS ILE TRP THR SER LYS GLN GLY GLU GLY          
SEQRES   7 B  359  MET VAL LYS LEU LEU ASP GLU LEU SER PRO ASN THR ALA          
SEQRES   8 B  359  PRO HIS LYS TYR TYR ILE GLY PHE ARG TYR VAL HIS PRO          
SEQRES   9 B  359  LEU THR GLU GLU ALA ILE GLU GLU MET GLU ARG ASP GLY          
SEQRES  10 B  359  LEU GLU ARG ALA ILE ALA PHE THR GLN TYR PRO GLN TYR          
SEQRES  11 B  359  SER CYS SER THR THR GLY SER SER LEU ASN ALA ILE TYR          
SEQRES  12 B  359  ARG TYR TYR ASN GLN VAL GLY ARG LYS PRO THR MET LYS          
SEQRES  13 B  359  TRP SER THR ILE ASP ARG TRP PRO THR HIS HIS LEU LEU          
SEQRES  14 B  359  ILE GLN CYS PHE ALA ASP HIS ILE LEU LYS GLU LEU ASP          
SEQRES  15 B  359  HIS PHE PRO LEU GLU LYS ARG SER GLU VAL VAL ILE LEU          
SEQRES  16 B  359  PHE SER ALA CYS SER LEU PRO MET SER VAL VAL ASN ARG          
SEQRES  17 B  359  GLY ASP PRO TYR PRO GLN GLU VAL SER ALA THR VAL GLN          
SEQRES  18 B  359  LYS VAL MET GLU ARG LEU GLU TYR CYS ASN PRO TYR ARG          
SEQRES  19 B  359  LEU VAL TRP GLN SER LYS VAL GLY PRO MET PRO TRP LEU          
SEQRES  20 B  359  GLY PRO GLN THR ASP GLU SER ILE LYS GLY LEU CYS GLU          
SEQRES  21 B  359  ARG GLY ARG LYS ASN ILE LEU LEU VAL PRO ILE ALA PHE          
SEQRES  22 B  359  THR SER ASP HIS ILE GLU THR LEU TYR GLU LEU ASP ILE          
SEQRES  23 B  359  GLU TYR SER GLN VAL LEU ALA LYS GLU CYS GLY VAL GLU          
SEQRES  24 B  359  ASN ILE ARG ARG ALA GLU SER LEU ASN GLY ASN PRO LEU          
SEQRES  25 B  359  PHE SER LYS ALA LEU ALA ASP LEU VAL HIS SER HIS ILE          
SEQRES  26 B  359  GLN SER ASN GLU LEU CYS SER LYS GLN LEU THR LEU SER          
SEQRES  27 B  359  CYS PRO LEU CYS VAL ASN PRO VAL CYS ARG GLU THR LYS          
SEQRES  28 B  359  SER PHE PHE THR SER GLN GLN LEU                              
HET    FES  A 499       4                                                       
HET    CHD  A 501      29                                                       
HET    CHD  A 502      29                                                       
HET    CHD  A 503      29                                                       
HET    FES  B 999       4                                                       
HET    CHD  B 501      29                                                       
HET    CHD  B 502      29                                                       
HET    CHD  B 503      29                                                       
HETNAM     FES FE2/S2 (INORGANIC) CLUSTER                                       
HETNAM     CHD CHOLIC ACID                                                      
FORMUL   3  FES    2(FE2 S2)                                                    
FORMUL   4  CHD    6(C24 H40 O5)                                                
FORMUL  11  HOH   *308(H2 O)                                                    
HELIX    1   1 THR A   81  GLY A   83  5                                   3    
HELIX    2   2 ASP A   84  LEU A   94  1                                  11    
HELIX    3   3 ILE A  103  ILE A  126  1                                  24    
HELIX    4   4 PRO A  131  SER A  151  1                                  21    
HELIX    5   5 PRO A  152  ALA A  155  5                                   4    
HELIX    6   6 LEU A  169  ASP A  180  1                                  12    
HELIX    7   7 THR A  198  GLY A  214  1                                  17    
HELIX    8   8 HIS A  230  ASP A  246  1                                  17    
HELIX    9   9 HIS A  247  PHE A  248  5                                   2    
HELIX   10  10 PRO A  249  VAL A  256  5                                   8    
HELIX   11  11 PRO A  266  ASN A  271  1                                   6    
HELIX   12  12 PRO A  275  LEU A  291  1                                  17    
HELIX   13  13 GLN A  314  ARG A  325  1                                  12    
HELIX   14  14 HIS A  341  TYR A  346  1                                   6    
HELIX   15  15 GLN A  354  GLY A  361  1                                   8    
HELIX   16  16 ASN A  374  ASN A  392  1                                  19    
HELIX   17  17 SER A  396  LEU A  401  5                                   6    
HELIX   18  18 PRO A  409  SER A  420  1                                  12    
HELIX   19  19 THR B   81  GLY B   83  5                                   3    
HELIX   20  20 ASP B   84  LEU B   94  1                                  11    
HELIX   21  21 ILE B  103  ILE B  126  1                                  24    
HELIX   22  22 PRO B  131  SER B  151  1                                  21    
HELIX   23  23 PRO B  152  ALA B  155  5                                   4    
HELIX   24  24 LEU B  169  ASP B  180  1                                  12    
HELIX   25  25 THR B  198  GLY B  214  1                                  17    
HELIX   26  26 HIS B  230  ASP B  246  1                                  17    
HELIX   27  27 HIS B  247  PHE B  248  5                                   2    
HELIX   28  28 PRO B  249  VAL B  256  5                                   8    
HELIX   29  29 PRO B  266  ASN B  271  1                                   6    
HELIX   30  30 PRO B  275  LEU B  291  1                                  17    
HELIX   31  31 GLN B  314  ARG B  325  1                                  12    
HELIX   32  32 HIS B  341  TYR B  346  1                                   6    
HELIX   33  33 GLN B  354  GLY B  361  1                                   8    
HELIX   34  34 ASN B  374  ASN B  392  1                                  19    
HELIX   35  35 SER B  396  LEU B  401  5                                   6    
HELIX   36  36 PRO B  409  SER B  420  1                                  12    
SHEET    1   A 4 HIS A 157  PHE A 163  0                                        
SHEET    2   A 4 THR A  69  ASN A  75  1  N  MET A  73   O  TYR A 160           
SHEET    3   A 4 ARG A 184  THR A 189  1  O  ARG A 184   N  GLY A  70           
SHEET    4   A 4 LYS A 220  ILE A 224  1  O  SER A 222   N  ALA A 187           
SHEET    1   B 4 TYR A 297  GLN A 302  0                                        
SHEET    2   B 4 VAL A 257  CYS A 263  1  N  PHE A 260   O  VAL A 300           
SHEET    3   B 4 ASN A 329  PRO A 334  1  O  VAL A 333   N  SER A 261           
SHEET    4   B 4 ASN A 364  ARG A 367  1  O  ARG A 366   N  LEU A 332           
SHEET    1   C 4 HIS B 157  PHE B 163  0                                        
SHEET    2   C 4 THR B  69  ASN B  75  1  N  MET B  73   O  TYR B 160           
SHEET    3   C 4 ARG B 184  THR B 189  1  O  ARG B 184   N  GLY B  70           
SHEET    4   C 4 LYS B 220  ILE B 224  1  O  SER B 222   N  ALA B 187           
SHEET    1   D 4 TYR B 297  GLN B 302  0                                        
SHEET    2   D 4 VAL B 257  CYS B 263  1  N  PHE B 260   O  VAL B 300           
SHEET    3   D 4 ASN B 329  VAL B 333  1  O  LEU B 331   N  LEU B 259           
SHEET    4   D 4 ASN B 364  ARG B 367  1  O  ARG B 366   N  LEU B 332           
LINK         SG  CYS A 196                FE2  FES A 499     1555   1555  2.33  
LINK         SG  CYS A 403                FE2  FES A 499     1555   1555  2.39  
LINK         SG  CYS A 406                FE1  FES A 499     1555   1555  2.39  
LINK         SG  CYS A 411                FE1  FES A 499     1555   1555  2.47  
LINK         SG  CYS B 196                FE1  FES B 999     1555   1555  2.34  
LINK         SG  CYS B 403                FE1  FES B 999     1555   1555  2.33  
LINK         SG  CYS B 406                FE2  FES B 999     1555   1555  2.41  
LINK         SG  CYS B 411                FE2  FES B 999     1555   1555  2.42  
CISPEP   1 ALA A  155    PRO A  156          0        -0.03                     
CISPEP   2 HIS A  167    PRO A  168          0        -0.40                     
CISPEP   3 GLY A  312    PRO A  313          0        -0.05                     
CISPEP   4 ALA B  155    PRO B  156          0        -0.20                     
CISPEP   5 HIS B  167    PRO B  168          0        -0.33                     
CISPEP   6 GLY B  312    PRO B  313          0        -0.10                     
SITE     1 AC1  6 CYS A 196  ARG A 272  CYS A 403  CYS A 406                    
SITE     2 AC1  6 CYS A 411  HOH A 516                                          
SITE     1 AC2  5 CYS B 196  ARG B 272  CYS B 403  CYS B 406                    
SITE     2 AC2  5 CYS B 411                                                     
SITE     1 AC3 15 MET A  76  LEU A  92  PHE A  93  LEU A  98                    
SITE     2 AC3 15 MET A  99  SER A 197  LEU A 265  PRO A 266                    
SITE     3 AC3 15 VAL A 269  VAL A 305  TRP A 310  CHD A 502                    
SITE     4 AC3 15 HOH A 616  HOH A 654  HOH A 660                               
SITE     1 AC4  8 MET A  99  ARG A 114  LEU A 115  PRO A 266                    
SITE     2 AC4  8 VAL A 305  MET A 308  CHD A 501  CHD A 503                    
SITE     1 AC5  3 CHD A 502  LEU B 107  PHE B 110                               
SITE     1 AC6 10 LEU B  92  PHE B  93  LEU B  98  MET B  99                    
SITE     2 AC6 10 SER B 197  LEU B 265  VAL B 269  VAL B 305                    
SITE     3 AC6 10 TRP B 310  CHD B 502                                          
SITE     1 AC7  6 ARG B 114  PRO B 266  GLY B 306  MET B 308                    
SITE     2 AC7  6 CHD B 501  CHD B 503                                          
SITE     1 AC8  4 PHE A 110  LEU B 101  PRO B 102  CHD B 502                    
CRYST1   93.420   87.730  109.580  90.00  90.00  90.00 P 21 21 21    8          
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      0.010704  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011399  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009126        0.00000