HEADER OXYGEN TRANSPORT 11-DEC-99 1DWR TITLE MYOGLOBIN (HORSE HEART) WILD-TYPE COMPLEXED WITH CO COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EQUUS CABALLUS; SOURCE 3 ORGANISM_COMMON: HORSE; SOURCE 4 ORGANISM_TAXID: 9796; SOURCE 5 ORGAN: HEART KEYWDS OXYGEN TRANSPORT, RESPIRATORY PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.CHU,J.VOJTECHOVSKY,B.H.MCMAHON,R.M.SWEET,J.BERENDZEN,I.SCHLICHTING REVDAT 7 06-DEC-23 1DWR 1 REMARK REVDAT 6 27-NOV-19 1DWR 1 REMARK LINK REVDAT 5 25-SEP-19 1DWR 1 COMPND SOURCE DBREF REVDAT 4 08-MAY-19 1DWR 1 REMARK REVDAT 3 24-FEB-09 1DWR 1 VERSN REVDAT 2 29-APR-05 1DWR 1 REMARK HET HETNAM FORMUL REVDAT 2 2 1 HETATM REVDAT 1 03-MAR-00 1DWR 0 JRNL AUTH K.CHU,J.VOJTECHOVSKY,B.H.MCMAHON,R.M.SWEET,J.BERENDZEN, JRNL AUTH 2 I.SCHLICHTING JRNL TITL CRYSTAL STRUCTURE OF A NEW LIGAND BINDING INTERMEDIATE IN JRNL TITL 2 WILDTYPE CARBONMONOXY MYOGLOBIN JRNL REF NATURE V. 403 921 2000 JRNL REFN ISSN 0028-0836 JRNL PMID 10706294 JRNL DOI 10.1038/35002641 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.MAURUS,C.M.OVERALL,R.BOGUMIL,Y.LUO,A.G.MAUK,M.SMITH, REMARK 1 AUTH 2 G.D.BRAYER REMARK 1 TITL A MYOGLOBIN VARIANT WITH A POLAR SUBSTITUTION IN A CONSERVED REMARK 1 TITL 2 HYDROPHOBIC CLUSTER IN THE HEME BINDING POCKET REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1341 1 1997 REMARK 1 REFN ISSN 0006-3002 REMARK 1 PMID 9300804 REMARK 1 DOI 10.1016/S0167-4838(97)00064-2 REMARK 1 REFERENCE 2 REMARK 1 AUTH I.SCHLICHTING,J.BERENDZEN,G.N.PHILLIPS JR,R.M.SWEET REMARK 1 TITL CRYSTAL STRUCTURE OF PHOTOLYSED MYOGLOBIN REMARK 1 REF NATURE V. 371 808 1994 REMARK 1 REFN ISSN 0028-0836 REMARK 1 PMID 7935843 REMARK 1 DOI 10.1038/371808A07969399 REMARK 1 REFERENCE 3 REMARK 1 AUTH C.SHERWOOD,A.G.MAUK,G.D.BRAYER REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY DIFFRACTION DATA FOR HORSE REMARK 1 TITL 2 HEART METMYOGLOBIN REMARK 1 REF J.MOL.BIOL. V. 193 227 1987 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 3586021 REMARK 1 DOI 10.1016/0022-2836(87)90641-3 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 23794 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) : 0.211 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL 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 : 1194 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 132 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) : 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.930 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 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: LYS47 AND SER92 HAVE ALTERNATE REMARK 3 CONFORMATIONS REMARK 4 REMARK 4 1DWR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1290004460. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-98 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) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : PRINCETON SCIENTIFIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23795 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 2.470 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : 0.07000 REMARK 200 FOR THE DATA SET : 9.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.22700 REMARK 200 R SYM FOR SHELL (I) : 0.22700 REMARK 200 FOR SHELL : 2.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: 1AZI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HHMB(SIGMA) WAS CRYSTALLIZED AT ROOM REMARK 280 TEMPERATURE BY EQUILIBRATING 10 UL DROPS OF 5 MG/ML PROTEIN IN REMARK 280 1.7-1.8 M AMMONIUM SULFATE, 0.1 M TRIS HCL PH 7.5 USING THE REMARK 280 HANGING DROP GEOMETRY, PH 7.50, VAPOR DIFFUSION, HANGING DROP 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,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 14.40000 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 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 300 REMARK: BIOLOGICAL_UNIT: MONOMER 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 GLY A 153 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 FE HEM A 154 C CMO A 155 1.90 REMARK 500 REMARK 500 REMARK: NULL 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LYS A 47 CB - CA - C ANGL. DEV. = -14.9 DEGREES REMARK 500 LYS A 47 CA - CB - CG ANGL. DEV. = 15.4 DEGREES REMARK 500 SER A 92 N - CA - CB ANGL. DEV. = 14.1 DEGREES REMARK 500 SER A 92 N - CA - CB ANGL. DEV. = -10.9 DEGREES 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 ASP A 20 71.74 -152.06 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 154 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 93 NE2 REMARK 620 2 HEM A 154 NA 88.0 REMARK 620 3 HEM A 154 NB 89.0 88.4 REMARK 620 4 HEM A 154 NC 93.9 178.0 92.4 REMARK 620 5 HEM A 154 ND 88.5 88.1 175.8 91.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 156 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 154 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 155 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DWS RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) WILD-TYPE COMPLEXED WITH CO. DATA COLLECTED REMARK 900 ONE HOUR AFTER PHOTOLYSIS OF THE BOUND CO REMARK 900 RELATED ID: 1DWT RELATED DB: PDB REMARK 900 PHOTORELAXED HORSE HEART MYOGLOBIN CO COMPLEX REMARK 900 RELATED ID: 1AZI RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE COMPLEXED WITH AZIDE REMARK 900 RELATED ID: 1YMA RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) MUTANT WITH HIS 64 REPLACED BY TYR (H64Y) REMARK 900 RELATED ID: 1YMB RELATED DB: PDB REMARK 900 METMYOGLOBIN (HORSE HEART) REMARK 900 RELATED ID: 1YMC RELATED DB: PDB REMARK 900 CYANOMET-SULFMYOGLOBIN (HORSE HEART) REMARK 900 RELATED ID: 1HRM RELATED DB: PDB REMARK 900 MYOGLOBIN MUTANT WITH HIS 93 REPLACED BY TYR (H93Y) REMARK 900 RELATED ID: 1HSY RELATED DB: PDB REMARK 900 MYOGLOBIN MUTANT WITH HIS 64 REPLACED BY THR (H64T) REMARK 900 RELATED ID: 1RSE RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) MUTANT WITH SER 92 REPLACED BY ASP (S92D) REMARK 900 RELATED ID: 1XCH RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) MUTANT WITH LEU 104 REPLACED BY ASN (L104N) REMARK 900 RELATED ID: 1WLA RELATED DB: PDB REMARK 900 MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE REMARK 900 RELATED ID: 1BJE RELATED DB: PDB REMARK 900 H64T VARIANT OF MYOGLOBIN (HORSE HEART) RECOMBINANT WILD-TYPE REMARK 900 COMPLEXED WITH AZIDE DBREF 1DWR A 1 153 UNP P68082 MYG_HORSE 2 154 SEQRES 1 A 153 GLY LEU SER ASP GLY GLU TRP GLN GLN VAL LEU ASN VAL SEQRES 2 A 153 TRP GLY LYS VAL GLU ALA ASP ILE ALA GLY HIS GLY GLN SEQRES 3 A 153 GLU VAL LEU ILE ARG LEU PHE THR GLY HIS PRO GLU THR SEQRES 4 A 153 LEU GLU LYS PHE ASP LYS PHE LYS HIS LEU LYS THR GLU SEQRES 5 A 153 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 A 153 THR VAL VAL LEU THR ALA LEU GLY GLY ILE LEU LYS LYS SEQRES 7 A 153 LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 A 153 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 A 153 GLU PHE ILE SER ASP ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 A 153 LYS HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 A 153 MET THR LYS ALA LEU GLU LEU PHE ARG ASN ASP ILE ALA SEQRES 12 A 153 ALA LYS TYR LYS GLU LEU GLY PHE GLN GLY HET HEM A 154 43 HET CMO A 155 2 HET SO4 A 156 5 HET SO4 A 900 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CMO C O FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *132(H2 O) HELIX 1 1 SER A 3 ASP A 20 1 18 HELIX 2 2 ASP A 20 HIS A 36 1 17 HELIX 3 3 HIS A 36 GLU A 41 1 6 HELIX 4 4 THR A 51 ALA A 57 1 7 HELIX 5 5 SER A 58 LYS A 77 1 20 HELIX 6 6 HIS A 82 LYS A 96 1 15 HELIX 7 7 PRO A 100 HIS A 119 1 20 HELIX 8 8 GLY A 124 GLY A 150 1 27 LINK NE2 HIS A 93 FE HEM A 154 1555 1555 2.13 SITE 1 AC1 5 SER A 58 GLU A 59 ASP A 60 HOH A2130 SITE 2 AC1 5 HOH A2131 SITE 1 AC2 2 GLY A 1 HOH A2132 SITE 1 AC3 20 THR A 39 LYS A 42 PHE A 43 LYS A 45 SITE 2 AC3 20 HIS A 64 VAL A 68 LEU A 89 SER A 92 SITE 3 AC3 20 HIS A 93 HIS A 97 ILE A 99 TYR A 103 SITE 4 AC3 20 HIS A 116 GLN A 128 CMO A 155 HOH A2080 SITE 5 AC3 20 HOH A2125 HOH A2126 HOH A2127 HOH A2128 SITE 1 AC4 4 PHE A 43 HIS A 64 VAL A 68 HEM A 154 CRYST1 63.600 28.800 35.600 90.00 106.50 90.00 P 1 21 1 2 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 0.015723 0.000000 0.004657 0.00000 SCALE2 0.000000 0.034722 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029296 0.00000