HEADER ELECTRON TRANSPORT 23-JAN-96 1ETP TITLE CRYSTAL STRUCTURE OF CYTOCHROME C4 FROM PSEUDOMONAS STUTZERI COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C4; COMPND 3 CHAIN: A, B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS STUTZERI; SOURCE 3 ORGANISM_TAXID: 316; SOURCE 4 ATCC: 11607 KEYWDS ELECTRON TRANSPORT, CYTOCHROME C4, DIHEME PROTEIN, KEYWDS 2 PSEUDOMONAS STUTZERI EXPDTA X-RAY DIFFRACTION AUTHOR A.KADZIOLA,S.LARSEN REVDAT 2 24-FEB-09 1ETP 1 VERSN REVDAT 1 12-FEB-97 1ETP 0 JRNL AUTH A.KADZIOLA,S.LARSEN JRNL TITL CRYSTAL STRUCTURE OF THE DIHAEM CYTOCHROME C4 FROM JRNL TITL 2 PSEUDOMONAS STUTZERI DETERMINED AT 2.2A RESOLUTION. JRNL REF STRUCTURE V. 5 203 1997 JRNL REFN ISSN 0969-2126 JRNL PMID 9032080 JRNL DOI 10.1016/S0969-2126(97)00179-2 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.S.CONRAD,J.J.KARLSSON,J.ULSTRUP REMARK 1 TITL ELECTRON TRANSFER AND SPECTRAL ALPHA-BAND REMARK 1 TITL 2 PROPERTIES OF THE DI-HEME PROTEIN CYTOCHROME C4 REMARK 1 TITL 3 FROM PSEUDOMONAS STUTZERI REMARK 1 REF EUR.J.BIOCHEM. V. 231 133 1995 REMARK 1 REFN ISSN 0014-2956 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.KADZIOLA,S.LARSEN,H.M.CHRISTENSEN,J.-J.KARLSSON, REMARK 1 AUTH 2 J.ULSTRUP REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC REMARK 1 TITL 2 INVESTIGATIONS OF CYTOCHROME C4 FROM PSEUDOMONAS REMARK 1 TITL 3 STUTZERI REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 51 1071 1995 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH H.E.CHRISTENSEN REMARK 1 TITL CLONING AND CHARACTERISATION OF THE GENE ENCODING REMARK 1 TITL 2 CYTOCHROME C4 FROM PSEUDOMONAS STUTZERI REMARK 1 REF GENE V. 144 139 1994 REMARK 1 REFN ISSN 0378-1119 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 17609 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.201 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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 : 2756 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 138 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.80 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) : 0.35 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.73 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.46 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: RAMACHANDRAN PLOT ONE RESIDUE IN REMARK 3 EACH MOLECULE (LISTED BELOW) ARE FOUND IN THE 'FORBIDDEN' REMARK 3 REGION OF THE RAMACHANDRAN PLOT. BOTH RESIDUES ARE SITUATED IN REMARK 3 REGIONS WITH WELL DEFINED ELECTRON DENSITY. PHI PSI OMEGA 1 REMARK 3 ALA A 124 65.95 149.82 -180.00 2 ALA B 124 76.18 151.83 -179.44 REMARK 4 REMARK 4 1ETP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-MAR-93 REMARK 200 TEMPERATURE (KELVIN) : 274 REMARK 200 PH : 5.6 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18020 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 58.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03300 REMARK 200 FOR THE DATA SET : 13.5000 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.6 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 29.29000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 RESIDUES HIS 18 AND MET 66 FORM HEME IRON LIGAND BONDS TO REMARK 400 THE N-TERMINAL HEME WHILE HIS 123 AND MET 167 FORM HEME REMARK 400 IRON LIGAND BONDS TO THE C-TERMINAL HEME. 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 ALA A 124 149.81 65.95 REMARK 500 ALA B 124 151.83 76.18 REMARK 500 ASP B 131 -75.98 -41.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE DEPOSITOR INDICATED THAT THE CHARGE ON THE HEME REMARK 600 GROUP IS 2+ OR 3+. 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 199 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 MET A 66 SD 175.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 123 NE2 REMARK 620 2 MET A 167 SD 173.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 199 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 18 NE2 REMARK 620 2 MET B 66 SD 174.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 123 NE2 REMARK 620 2 MET B 167 SD 173.0 REMARK 620 N 1 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 199 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 200 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 199 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 200 DBREF 1ETP A 1 190 UNP Q52369 CYC4_PSEST 21 210 DBREF 1ETP B 1 190 UNP Q52369 CYC4_PSEST 21 210 SEQRES 1 A 190 ALA GLY ASP ALA GLU ALA GLY GLN GLY LYS VAL ALA VAL SEQRES 2 A 190 CYS GLY ALA CYS HIS GLY VAL ASP GLY ASN SER PRO ALA SEQRES 3 A 190 PRO ASN PHE PRO LYS LEU ALA GLY GLN GLY GLU ARG TYR SEQRES 4 A 190 LEU LEU LYS GLN LEU GLN ASP ILE LYS ALA GLY SER THR SEQRES 5 A 190 PRO GLY ALA PRO GLU GLY VAL GLY ARG LYS VAL LEU GLU SEQRES 6 A 190 MET THR GLY MET LEU ASP PRO LEU SER ASP GLN ASP LEU SEQRES 7 A 190 GLU ASP ILE ALA ALA TYR PHE SER SER GLN LYS GLY SER SEQRES 8 A 190 VAL GLY TYR ALA ASP PRO ALA LEU ALA LYS GLN GLY GLU SEQRES 9 A 190 LYS LEU PHE ARG GLY GLY LYS LEU ASP GLN GLY MET PRO SEQRES 10 A 190 ALA CYS THR GLY CYS HIS ALA PRO ASN GLY VAL GLY ASN SEQRES 11 A 190 ASP LEU ALA GLY PHE PRO LYS LEU GLY GLY GLN HIS ALA SEQRES 12 A 190 ALA TYR THR ALA LYS GLN LEU THR ASP PHE ARG GLU GLY SEQRES 13 A 190 ASN ARG THR ASN ASP GLY ASP THR MET ILE MET ARG GLY SEQRES 14 A 190 VAL ALA ALA LYS LEU SER ASN LYS ASP ILE GLU ALA LEU SEQRES 15 A 190 SER SER TYR ILE GLN GLY LEU HIS SEQRES 1 B 190 ALA GLY ASP ALA GLU ALA GLY GLN GLY LYS VAL ALA VAL SEQRES 2 B 190 CYS GLY ALA CYS HIS GLY VAL ASP GLY ASN SER PRO ALA SEQRES 3 B 190 PRO ASN PHE PRO LYS LEU ALA GLY GLN GLY GLU ARG TYR SEQRES 4 B 190 LEU LEU LYS GLN LEU GLN ASP ILE LYS ALA GLY SER THR SEQRES 5 B 190 PRO GLY ALA PRO GLU GLY VAL GLY ARG LYS VAL LEU GLU SEQRES 6 B 190 MET THR GLY MET LEU ASP PRO LEU SER ASP GLN ASP LEU SEQRES 7 B 190 GLU ASP ILE ALA ALA TYR PHE SER SER GLN LYS GLY SER SEQRES 8 B 190 VAL GLY TYR ALA ASP PRO ALA LEU ALA LYS GLN GLY GLU SEQRES 9 B 190 LYS LEU PHE ARG GLY GLY LYS LEU ASP GLN GLY MET PRO SEQRES 10 B 190 ALA CYS THR GLY CYS HIS ALA PRO ASN GLY VAL GLY ASN SEQRES 11 B 190 ASP LEU ALA GLY PHE PRO LYS LEU GLY GLY GLN HIS ALA SEQRES 12 B 190 ALA TYR THR ALA LYS GLN LEU THR ASP PHE ARG GLU GLY SEQRES 13 B 190 ASN ARG THR ASN ASP GLY ASP THR MET ILE MET ARG GLY SEQRES 14 B 190 VAL ALA ALA LYS LEU SER ASN LYS ASP ILE GLU ALA LEU SEQRES 15 B 190 SER SER TYR ILE GLN GLY LEU HIS HET HEM A 199 43 HET HEM A 200 43 HET HEM B 199 43 HET HEM B 200 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 3 HEM 4(C34 H32 FE N4 O4) FORMUL 7 HOH *138(H2 O) HELIX 1 AAN ASP A 3 GLN A 8 1 6 HELIX 2 BAN VAL A 11 HIS A 18 1 8 HELIX 3 CAN GLY A 36 SER A 51 1 16 HELIX 4 EAN SER A 74 SER A 87 1 14 HELIX 5 AAC LEU A 99 GLY A 110 1 12 HELIX 6 BAC CYS A 119 HIS A 123 1 5 HELIX 7 CAC HIS A 142 GLY A 156 1 15 HELIX 8 DAC MET A 165 ALA A 172 1 8 HELIX 9 EAC SER A 175 GLN A 187 1 13 HELIX 10 ABN ASP B 3 GLN B 8 1 6 HELIX 11 BBN VAL B 11 HIS B 18 1 8 HELIX 12 CBN GLY B 36 SER B 51 1 16 HELIX 13 EBN SER B 74 SER B 87 1 14 HELIX 14 ABC LEU B 99 GLY B 110 1 12 HELIX 15 BBC CYS B 119 HIS B 123 1 5 HELIX 16 CBC HIS B 142 GLY B 156 1 15 HELIX 17 DBC MET B 165 ALA B 172 1 8 HELIX 18 EBC SER B 175 GLN B 187 1 13 LINK FE HEM A 199 NE2 HIS A 18 1555 1555 2.03 LINK FE HEM A 199 SD MET A 66 1555 1555 2.39 LINK CAB HEM A 199 SG CYS A 14 1555 1555 1.79 LINK CAC HEM A 199 SG CYS A 17 1555 1555 1.79 LINK FE HEM A 200 NE2 HIS A 123 1555 1555 1.89 LINK FE HEM A 200 SD MET A 167 1555 1555 2.26 LINK CAB HEM A 200 SG CYS A 119 1555 1555 1.80 LINK CAC HEM A 200 SG CYS A 122 1555 1555 1.76 LINK FE HEM B 199 NE2 HIS B 18 1555 1555 1.98 LINK FE HEM B 199 SD MET B 66 1555 1555 2.23 LINK CAB HEM B 199 SG CYS B 14 1555 1555 1.80 LINK CAC HEM B 199 SG CYS B 17 1555 1555 1.81 LINK FE HEM B 200 NE2 HIS B 123 1555 1555 2.02 LINK FE HEM B 200 SD MET B 167 1555 1555 2.32 LINK CAB HEM B 200 SG CYS B 119 1555 1555 1.79 LINK CAC HEM B 200 SG CYS B 122 1555 1555 1.79 SITE 1 AC1 21 VAL A 13 CYS A 14 CYS A 17 HIS A 18 SITE 2 AC1 21 PRO A 30 LEU A 32 TYR A 39 GLN A 43 SITE 3 AC1 21 ILE A 47 ARG A 61 GLU A 65 MET A 66 SITE 4 AC1 21 MET A 69 ILE A 81 TYR A 145 LYS A 148 SITE 5 AC1 21 GLN A 149 HEM A 200 HOH A 205 HOH A 207 SITE 6 AC1 21 HOH A 275 SITE 1 AC2 18 TYR A 39 LYS A 42 GLN A 43 ALA A 118 SITE 2 AC2 18 CYS A 119 CYS A 122 HIS A 123 PHE A 135 SITE 3 AC2 18 PRO A 136 LEU A 138 TYR A 145 ARG A 158 SITE 4 AC2 18 ASN A 160 ILE A 166 MET A 167 ILE A 186 SITE 5 AC2 18 HEM A 199 HOH A 206 SITE 1 AC3 23 PHE A 135 VAL B 13 CYS B 14 CYS B 17 SITE 2 AC3 23 HIS B 18 PHE B 29 PRO B 30 LEU B 32 SITE 3 AC3 23 TYR B 39 GLN B 43 LEU B 44 ILE B 47 SITE 4 AC3 23 ARG B 61 GLU B 65 MET B 66 LEU B 70 SITE 5 AC3 23 ILE B 81 TYR B 145 LYS B 148 GLN B 149 SITE 6 AC3 23 HEM B 200 HOH B 219 HOH B 300 SITE 1 AC4 20 ALA A 16 TYR B 39 LYS B 42 GLN B 43 SITE 2 AC4 20 ALA B 118 CYS B 119 CYS B 122 HIS B 123 SITE 3 AC4 20 PHE B 135 PRO B 136 LEU B 138 TYR B 145 SITE 4 AC4 20 ARG B 158 ASN B 160 ILE B 166 MET B 167 SITE 5 AC4 20 VAL B 170 HEM B 199 HOH B 211 HOH B 220 CRYST1 49.490 58.580 63.510 90.00 96.96 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 0.020206 0.000000 0.002467 0.00000 SCALE2 0.000000 0.017071 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015862 0.00000 MTRIX1 1 -0.798002 0.444533 -0.406920 20.54370 1 MTRIX2 1 -0.557893 -0.800268 0.219832 22.65850 1 MTRIX3 1 -0.227923 0.402444 0.886617 -32.06020 1