HEADER OXIDOREDUCTASE 10-JUN-02 1IX4 TITLE CRYSTAL STRUCTURE OF RAT HEME OXYGENASE-1 IN COMPLEX WITH HEME BOUND TITLE 2 TO CARBON MONOXIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME OXYGENASE-1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SOLUBLE FRAGMENT TRUNCATED C-TERMINAL TRANSMEMBRANE HELIX; COMPND 5 SYNONYM: HO-1, HSP32; 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: PUC18 KEYWDS HEMEPROTEIN, INHIBITOR COMPLEX, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.SUGISHIMA,H.SAKAMOTO,Y.OMATA,S.HAYASHI,M.NOGUCHI,K.FUKUYAMA REVDAT 4 03-APR-24 1IX4 1 REMARK REVDAT 3 27-DEC-23 1IX4 1 REMARK LINK REVDAT 2 24-FEB-09 1IX4 1 VERSN REVDAT 1 02-SEP-03 1IX4 0 JRNL AUTH M.SUGISHIMA,H.SAKAMOTO,M.NOGUCHI,K.FUKUYAMA JRNL TITL CRYSTAL STRUCTURES OF FERROUS AND CO-, CN(-)-, AND NO-BOUND JRNL TITL 2 FORMS OF RAT HEME OXYGENASE-1 (HO-1) IN COMPLEX WITH HEME: JRNL TITL 3 STRUCTURAL IMPLICATIONS FOR DISCRIMINATION BETWEEN CO AND JRNL TITL 4 O(2) IN HO-1. JRNL REF BIOCHEMISTRY V. 42 9898 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12924938 JRNL DOI 10.1021/BI027268I REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.SUGISHIMA,H.SAKAMOTO,Y.HIGASHIMOTO,Y.OMATA,S.HAYASHI, REMARK 1 AUTH 2 M.NOGUCHI,K.FUKUYAMA REMARK 1 TITL CRYSTAL STRUCTURE OF RAT HEME OXYGENASE-1 IN COMPLEX WITH REMARK 1 TITL 2 HEME BOUND TO AZIDE. IMPLICATION FOR REGIOSPECIFIC REMARK 1 TITL 3 HYDROXYLATION OF HEME AT THE ALPHA-MESO CARBON. REMARK 1 REF J.BIOL.CHEM. V. 277 45086 2003 REMARK 1 REFN ISSN 0021-9258 REMARK 1 DOI 10.1074/JBC.M207267200 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 25369 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) : 0.195 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2813 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2270 REMARK 3 BIN FREE R VALUE : 0.2470 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 245 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 : 1711 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.09 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.56 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.780 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: NULL REMARK 4 REMARK 4 1IX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-JUN-02. REMARK 100 THE DEPOSITION ID IS D_1000005364. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-MAY-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 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) : 1.000 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE-MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28311 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY : 11.80 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.31100 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL 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 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM FORMATE, SODIUM AZIDE, REMARK 280 POTASSIUM FORMATE, PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 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 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 80.16000 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 40.08000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 40.08000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 80.16000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 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 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 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 GLU A 19 CG CD OE1 OE2 REMARK 470 GLU A 45 CG CD OE1 OE2 REMARK 470 LYS A 177 CG CD CE NZ REMARK 470 GLU A 190 CG CD OE1 OE2 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 TYR A 74 -31.38 -140.79 REMARK 500 HIS A 100 42.94 -105.35 REMARK 500 SER A 142 -99.94 -110.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 300 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 25 NE2 REMARK 620 2 HEM A 300 NA 88.9 REMARK 620 3 HEM A 300 NB 91.4 89.8 REMARK 620 4 HEM A 300 NC 90.2 178.9 89.7 REMARK 620 5 HEM A 300 ND 87.9 90.2 179.3 90.3 REMARK 620 6 CMO A1001 C 176.8 94.0 90.1 86.9 90.6 REMARK 620 7 CMO A1001 O 170.4 100.0 85.0 80.9 95.7 7.9 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 1001 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DVE RELATED DB: PDB REMARK 900 1DVE CONTAINS CRYSTAL STRUCTURE OF THE SAME PROTEIN COMPLEX WITH REMARK 900 HEME REMARK 900 RELATED ID: 1IVJ RELATED DB: PDB REMARK 900 1IVJ CONTAINS CRYSTAL STRUCTURE OF THE SAME PROTEIN COMPLEX WITH REMARK 900 AZIDE REMARK 900 RELATED ID: 1QQ8 RELATED DB: PDB REMARK 900 1QQ8 CONTAINS CRYSTAL STRUCTURE OF THE SAME PROTEIN FROM HOMO REMARK 900 SAPIENS REMARK 900 RELATED ID: 1J77 RELATED DB: PDB REMARK 900 1J77 CONTAINS CRYSTAL STRUCTURE OF THE SAME PROTEIN FROM NEISSERIA REMARK 900 MENINGITIDIS REMARK 900 RELATED ID: 1IX3 RELATED DB: PDB REMARK 900 1IX3 CONTAINS CRYSTAL STRUCTURE OF THE SAME PROTEIN COMPLEX WITH REMARK 900 CYANIDE DBREF 1IX4 A 1 267 UNP P06762 HMOX1_RAT 1 267 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 HET HEM A 300 43 HET CMO A1001 2 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CMO C O FORMUL 4 HOH *176(H2 O) HELIX 1 1 ASP A 12 ASN A 30 1 19 HELIX 2 2 SER A 31 LYS A 39 1 9 HELIX 3 3 SER A 43 ASN A 68 1 26 HELIX 4 4 TYR A 74 TYR A 78 5 5 HELIX 5 5 PHE A 79 HIS A 84 1 6 HELIX 6 6 ARG A 85 GLY A 98 1 14 HELIX 7 7 HIS A 100 ALA A 104 5 5 HELIX 8 8 THR A 108 HIS A 125 1 18 HELIX 9 9 LEU A 128 LEU A 141 1 14 HELIX 10 10 SER A 142 ALA A 156 1 15 HELIX 11 11 LEU A 164 THR A 168 5 5 HELIX 12 12 ASN A 174 ASN A 187 1 14 HELIX 13 13 THR A 192 THR A 222 1 31 LINK NE2 HIS A 25 FE HEM A 300 1555 1555 2.17 LINK FE HEM A 300 C CMO A1001 1555 1555 1.98 LINK FE HEM A 300 O CMO A1001 1555 1555 3.01 SITE 1 AC1 20 LYS A 18 HIS A 25 GLU A 29 MET A 34 SITE 2 AC1 20 GLN A 38 TYR A 134 THR A 135 ARG A 136 SITE 3 AC1 20 GLY A 139 SER A 142 GLY A 143 LEU A 147 SITE 4 AC1 20 ARG A 183 PHE A 207 ASN A 210 PHE A 214 SITE 5 AC1 20 CMO A1001 HOH A1018 HOH A1078 HOH A1150 SITE 1 AC2 5 GLY A 139 GLY A 143 GLY A 144 HEM A 300 SITE 2 AC2 5 HOH A1108 CRYST1 66.000 66.000 120.240 90.00 90.00 120.00 P 32 2 1 6 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 0.015152 0.008748 0.000000 0.00000 SCALE2 0.000000 0.017495 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008317 0.00000