HEADER OXIDOREDUCTASE 11-JUN-99 1QQ8 OBSLTE 13-NOV-02 1QQ8 1N45 TITLE X-RAY CRYSTAL STRUCTURE OF HUMAN HEME OXYGENASE-1 (HO-1) IN TITLE 2 COMPLEX WITH ITS SUBSTRATE HEME COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (HEME OXYGENASE); COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: EXPRESSED AS RESIDUES 1-233; COMPND 5 EC: 1.14.99.3; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: COMPLEXED WITH ITS SUBSTRATE HEME SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 EXPRESSION_SYSTEM: E.COLI KEYWDS HEME OXYGENASE, ALPHA HELIX, FLEXIBLE, CARBON MONOXIDE EXPDTA X-RAY DIFFRACTION AUTHOR D.J.SCHULLER,A.WILKS,P.R.ORTIZ DE MONTELLANO,T.L.POULOS REVDAT 3 01-APR-03 1QQ8 1 JRNL REVDAT 2 13-NOV-02 1QQ8 1 OBSLTE REVDAT 1 01-SEP-99 1QQ8 0 JRNL AUTH D.J.SCHULLER,A.WILKS,P.R.ORTIZ DE MONTELLANO, JRNL AUTH 2 T.L.POULOS JRNL TITL CRYSTAL STRUCTURE OF HUMAN HEME OXYGENASE-1. JRNL REF NAT.STRUCT.BIOL. V. 6 860 1999 JRNL REFN ASTM NSBIEW US ISSN 1072-8368 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.J.SCHULLER,A.WILKS,P.R.ORTIZ DE MONTELLANO, REMARK 1 AUTH 2 T.L.POULOS REMARK 1 TITL CRYSTALLIZATION OF RECOMBINANT HUMAN HEME REMARK 1 TITL 2 OXYGENASE-1 REMARK 1 REF PROTEIN SCI. V. 7 1836 1998 REMARK 1 REFN ASTM PRCIEI US ISSN 0961-8368 REMARK 2 REMARK 2 RESOLUTION. 2.08 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) : 2.08 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 70.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1243187.600 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 27642 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) : 0.213 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1373 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.08 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2610 REMARK 3 BIN R VALUE (WORKING SET) : 0.2960 REMARK 3 BIN FREE R VALUE : 0.3620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 131 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3492 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 87 REMARK 3 SOLVENT ATOMS : 349 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.09000 REMARK 3 B22 (A**2) : -8.44000 REMARK 3 B33 (A**2) : 6.35000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -3.80000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.35 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.05 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 : 0.36 REMARK 3 BSOL : 72.55 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : PARAM.CNS.HEME REMARK 3 PARAMETER FILE 3 : PARAM.HOSOL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH.CNS.HEME REMARK 3 TOPOLOGY FILE 3 : TOPH.HOSOL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD VS F REMARK 4 REMARK 4 1QQ8 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-1999. REMARK 100 THE RCSB ID CODE IS RCSB009171. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAY-1998 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 : N.A. REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27651 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.075 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 6.150 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08900 REMARK 200 FOR THE DATA SET : 7.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.65600 REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FE-ONLY SIRAS + AS, 4- REMARK 200 FOLD NCS OVER 2 CRYSTAL FORMS. THIS IS THE FORM WITH ONLY REMARK 200 SINGLE WAVELENGTH FE ANOMALOUS REMARK 200 SOFTWARE USED: MAGICSQUASH D.J. SCHULLER (1996) ACTA CRYST. REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, HEPES, 1,6, REMARK 280 HEXANEDIOL CRYO: ADD GLYCEROL', PH 7.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,1/2+Y,-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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 27.25050 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 186 SD MET A 186 CE -0.048 REMARK 500 PRO B 10 CB PRO B 10 CG 0.040 REMARK 500 PRO B 10 CG PRO B 10 CD 0.038 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 83 N - CA - C ANGL. DEV. = 11.2 DEGREES REMARK 500 VAL A 104 N - CA - C ANGL. DEV. = 7.3 DEGREES REMARK 500 TYR A 107 N - CA - C ANGL. DEV. = -7.8 DEGREES REMARK 500 LEU B 83 N - CA - C ANGL. DEV. = 9.3 DEGREES REMARK 500 VAL B 104 N - CA - C ANGL. DEV. = 7.6 DEGREES REMARK 500 TYR B 107 N - CA - C ANGL. DEV. = -8.6 DEGREES REMARK 500 LEU B 155 N - CA - C ANGL. DEV. = 7.3 DEGREES REMARK 500 PRO B 158 N - CA - C ANGL. DEV. = -7.2 DEGREES REMARK 500 GLY B 161 N - CA - C ANGL. DEV. = 8.6 DEGREES REMARK 500 PHE B 169 N - CA - C ANGL. DEV. = -8.5 DEGREES REMARK 525 REMARK 525 SOLVENT REMARK 525 THE FOLLOWING SOLVENT MOLECULES LIE FARTHER THAN EXPECTED REMARK 525 FROM THE PROTEIN OR NUCLEIC ACID MOLECULE AND MAY BE REMARK 525 ASSOCIATED WITH A SYMMETRY RELATED MOLECULE (M=MODEL REMARK 525 NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH 118 DISTANCE = 7.43 ANGSTROMS REMARK 525 HOH 120 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH 134 DISTANCE = 11.68 ANGSTROMS REMARK 525 HOH 145 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH 149 DISTANCE = 6.35 ANGSTROMS REMARK 525 HOH 163 DISTANCE = 6.95 ANGSTROMS REMARK 525 HOH 192 DISTANCE = 5.12 ANGSTROMS REMARK 525 HOH 193 DISTANCE = 5.36 ANGSTROMS REMARK 525 HOH 194 DISTANCE = 6.83 ANGSTROMS REMARK 525 HOH 203 DISTANCE = 6.79 ANGSTROMS REMARK 525 HOH 208 DISTANCE = 7.24 ANGSTROMS REMARK 525 HOH 319 DISTANCE = 5.62 ANGSTROMS DBREF 1QQ8 A 10 223 UNP P09601 HO1_HUMAN 10 223 DBREF 1QQ8 B 10 223 UNP P09601 HO1_HUMAN 10 223 SEQRES 1 A 214 PRO GLN ASP LEU SER GLU ALA LEU LYS GLU ALA THR LYS SEQRES 2 A 214 GLU VAL HIS THR GLN ALA GLU ASN ALA GLU PHE MET ARG SEQRES 3 A 214 ASN PHE GLN LYS GLY GLN VAL THR ARG ASP GLY PHE LYS SEQRES 4 A 214 LEU VAL MET ALA SER LEU TYR HIS ILE TYR VAL ALA LEU SEQRES 5 A 214 GLU GLU GLU ILE GLU ARG ASN LYS GLU SER PRO VAL PHE SEQRES 6 A 214 ALA PRO VAL TYR PHE PRO GLU GLU LEU HIS ARG LYS ALA SEQRES 7 A 214 ALA LEU GLU GLN ASP LEU ALA PHE TRP TYR GLY PRO ARG SEQRES 8 A 214 TRP GLN GLU VAL ILE PRO TYR THR PRO ALA MET GLN ARG SEQRES 9 A 214 TYR VAL LYS ARG LEU HIS GLU VAL GLY ARG THR GLU PRO SEQRES 10 A 214 GLU LEU LEU VAL ALA HIS ALA TYR THR ARG TYR LEU GLY SEQRES 11 A 214 ASP LEU SER GLY GLY GLN VAL LEU LYS LYS ILE ALA GLN SEQRES 12 A 214 LYS ALA LEU ASP LEU PRO SER SER GLY GLU GLY LEU ALA SEQRES 13 A 214 PHE PHE THR PHE PRO ASN ILE ALA SER ALA THR LYS PHE SEQRES 14 A 214 LYS GLN LEU TYR ARG SER ARG MET ASN SER LEU GLU MET SEQRES 15 A 214 THR PRO ALA VAL ARG GLN ARG VAL ILE GLU GLU ALA LYS SEQRES 16 A 214 THR ALA PHE LEU LEU ASN ILE GLN LEU PHE GLU GLU LEU SEQRES 17 A 214 GLN GLU LEU LEU THR HIS SEQRES 1 B 214 PRO GLN ASP LEU SER GLU ALA LEU LYS GLU ALA THR LYS SEQRES 2 B 214 GLU VAL HIS THR GLN ALA GLU ASN ALA GLU PHE MET ARG SEQRES 3 B 214 ASN PHE GLN LYS GLY GLN VAL THR ARG ASP GLY PHE LYS SEQRES 4 B 214 LEU VAL MET ALA SER LEU TYR HIS ILE TYR VAL ALA LEU SEQRES 5 B 214 GLU GLU GLU ILE GLU ARG ASN LYS GLU SER PRO VAL PHE SEQRES 6 B 214 ALA PRO VAL TYR PHE PRO GLU GLU LEU HIS ARG LYS ALA SEQRES 7 B 214 ALA LEU GLU GLN ASP LEU ALA PHE TRP TYR GLY PRO ARG SEQRES 8 B 214 TRP GLN GLU VAL ILE PRO TYR THR PRO ALA MET GLN ARG SEQRES 9 B 214 TYR VAL LYS ARG LEU HIS GLU VAL GLY ARG THR GLU PRO SEQRES 10 B 214 GLU LEU LEU VAL ALA HIS ALA TYR THR ARG TYR LEU GLY SEQRES 11 B 214 ASP LEU SER GLY GLY GLN VAL LEU LYS LYS ILE ALA GLN SEQRES 12 B 214 LYS ALA LEU ASP LEU PRO SER SER GLY GLU GLY LEU ALA SEQRES 13 B 214 PHE PHE THR PHE PRO ASN ILE ALA SER ALA THR LYS PHE SEQRES 14 B 214 LYS GLN LEU TYR ARG SER ARG MET ASN SER LEU GLU MET SEQRES 15 B 214 THR PRO ALA VAL ARG GLN ARG VAL ILE GLU GLU ALA LYS SEQRES 16 B 214 THR ALA PHE LEU LEU ASN ILE GLN LEU PHE GLU GLU LEU SEQRES 17 B 214 GLN GLU LEU LEU THR HIS HET CL 1 1 HET HEM A 300 43 HET HEM B 300 43 HETNAM CL CHLORIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 CL CL 1- FORMUL 4 HEM 2(C34 H32 FE N4 O4) FORMUL 6 HOH *349(H2 O1) HELIX 1 1 ASP A 12 THR A 21 1 10 HELIX 2 2 THR A 21 ALA A 31 1 11 HELIX 3 3 ALA A 31 LYS A 39 1 9 HELIX 4 4 THR A 43 ASN A 68 1 26 HELIX 5 5 PHE A 74 TYR A 78 5 5 HELIX 6 6 PHE A 79 HIS A 84 1 6 HELIX 7 7 ARG A 85 GLY A 98 1 14 HELIX 8 8 ARG A 100 ILE A 105 1 6 HELIX 9 9 THR A 108 GLU A 125 1 18 HELIX 10 10 LEU A 128 GLY A 143 1 16 HELIX 11 11 GLY A 143 ASP A 156 1 14 HELIX 12 12 LEU A 164 THR A 168 5 5 HELIX 13 13 SER A 174 LEU A 189 1 16 HELIX 14 14 THR A 192 THR A 222 1 31 HELIX 15 15 ASP B 12 LYS B 22 1 11 HELIX 16 16 THR B 21 ALA B 31 1 11 HELIX 17 17 ALA B 31 LYS B 39 1 9 HELIX 18 18 THR B 43 LYS B 69 1 27 HELIX 19 19 PHE B 74 TYR B 78 5 5 HELIX 20 20 PHE B 79 HIS B 84 1 6 HELIX 21 21 ARG B 85 GLY B 98 1 14 HELIX 22 22 ARG B 100 ILE B 105 1 6 HELIX 23 23 THR B 108 GLU B 125 1 18 HELIX 24 24 LEU B 128 ASP B 156 1 29 HELIX 25 25 LEU B 164 THR B 168 5 5 HELIX 26 26 SER B 174 SER B 188 1 15 HELIX 27 27 THR B 192 HIS B 223 1 32 LINK FE HEM A 300 O HOH A 301 LINK FE HEM B 300 O HOH B 301 LINK FE HEM A 300 NE2 HIS A 25 LINK FE HEM B 300 NE2 HIS B 25 CRYST1 61.240 54.501 71.189 90.00 99.01 90.00 P 1 21 1 4 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 0.016329 0.000000 0.002589 0.00000 SCALE2 0.000000 0.018348 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014223 0.00000