HEADER OXIDOREDUCTASE 27-NOV-07 2ZDP TITLE CRYSTAL STRUCTURE OF ISDI IN COMPLEX WITH COBALT PROTOPORPHYRIN IX COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME-DEGRADING MONOOXYGENASE ISDI; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: IRON-REGULATED SURFACE DETERMINANT ISDI, IRON-RESPONSIVE COMPND 5 SURFACE DETERMINANT ISDI, HEME OXYGENASE; COMPND 6 EC: 1.14.99.3; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 STRAIN: N315; SOURCE 5 GENE: ISDI; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS RUFFLING, BETA-BARREL, COBALT PROTOPORPHYRIN IX, CYTOPLASM, HEME, KEYWDS 2 IRON, METAL-BINDING, MONOOXYGENASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR W.C.LEE,M.L.RENIERE,E.P.SKAAR,M.E.P.MURPHY REVDAT 4 01-NOV-23 2ZDP 1 REMARK SEQADV REVDAT 3 24-FEB-09 2ZDP 1 VERSN REVDAT 2 25-NOV-08 2ZDP 1 JRNL REVDAT 1 19-AUG-08 2ZDP 0 JRNL AUTH W.C.LEE,M.L.RENIERE,E.P.SKAAR,M.E.P.MURPHY JRNL TITL RUFFLING OF METALLOPORPHYRINS BOUND TO ISDG AND ISDI, TWO JRNL TITL 2 HEME-DEGRADING ENZYMES IN STAPHYLOCOCCUS AUREUS JRNL REF J.BIOL.CHEM. V. 283 30957 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18713745 JRNL DOI 10.1074/JBC.M709486200 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 55.81 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 3 NUMBER OF REFLECTIONS : 39272 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 + TEST SET) : 0.182 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.201 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2079 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2247 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 74.35 REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE SET COUNT : 104 REMARK 3 BIN FREE R VALUE : 0.2570 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1832 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 88 REMARK 3 SOLVENT ATOMS : 267 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.93 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.12000 REMARK 3 B22 (A**2) : 0.32000 REMARK 3 B33 (A**2) : 0.03000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.37000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.075 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.073 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.043 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.108 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.958 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.949 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1968 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2676 ; 1.258 ; 2.061 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 218 ; 5.918 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 110 ;35.797 ;25.636 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 348 ;10.450 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ; 9.732 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 262 ; 0.084 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1526 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 822 ; 0.201 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1332 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 193 ; 0.122 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 32 ; 0.231 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.098 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1122 ; 0.930 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1760 ; 1.417 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 973 ; 1.962 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 914 ; 2.983 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2ZDP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000027841. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-MAY-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39272 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 56.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04500 REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.32300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1XBW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K 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 32.83400 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11330 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -80.0 KCAL/MOL 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: 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 ASN A 44 -176.01 -171.20 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 COH A 200 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 76 NE2 REMARK 620 2 COH A 200 NA 90.5 REMARK 620 3 COH A 200 NB 90.0 89.6 REMARK 620 4 COH A 200 NC 91.3 177.7 89.0 REMARK 620 5 COH A 200 ND 93.8 90.4 176.1 90.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 COH B 200 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 76 NE2 REMARK 620 2 COH B 200 NA 91.4 REMARK 620 3 COH B 200 NB 90.9 89.6 REMARK 620 4 COH B 200 NC 90.9 177.6 89.5 REMARK 620 5 COH B 200 ND 92.7 90.5 176.4 90.3 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 CL A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE COH A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE COH B 200 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ZDO RELATED DB: PDB REMARK 900 RELATED ID: 1XBW RELATED DB: PDB REMARK 900 RELATED ID: 1SQE RELATED DB: PDB DBREF 2ZDP A 1 108 UNP Q7A827 ISDI_STAAN 1 108 DBREF 2ZDP B 1 108 UNP Q7A827 ISDI_STAAN 1 108 SEQADV 2ZDP ALA A -1 UNP Q7A827 EXPRESSION TAG SEQADV 2ZDP HIS A 0 UNP Q7A827 EXPRESSION TAG SEQADV 2ZDP ALA B -1 UNP Q7A827 EXPRESSION TAG SEQADV 2ZDP HIS B 0 UNP Q7A827 EXPRESSION TAG SEQRES 1 A 110 ALA HIS MET PHE MET ALA GLU ASN ARG LEU GLN LEU GLN SEQRES 2 A 110 LYS GLY SER ALA GLU GLU THR ILE GLU ARG PHE TYR ASN SEQRES 3 A 110 ARG GLN GLY ILE GLU THR ILE GLU GLY PHE GLN GLN MET SEQRES 4 A 110 PHE VAL THR LYS THR LEU ASN THR GLU ASP THR ASP GLU SEQRES 5 A 110 VAL LYS ILE LEU THR ILE TRP GLU SER GLU ASP SER PHE SEQRES 6 A 110 ASN ASN TRP LEU ASN SER ASP VAL PHE LYS GLU ALA HIS SEQRES 7 A 110 LYS ASN VAL ARG LEU LYS SER ASP ASP ASP GLY GLN GLN SEQRES 8 A 110 SER PRO ILE LEU SER ASN LYS VAL PHE LYS TYR ASP ILE SEQRES 9 A 110 GLY TYR HIS TYR GLN LYS SEQRES 1 B 110 ALA HIS MET PHE MET ALA GLU ASN ARG LEU GLN LEU GLN SEQRES 2 B 110 LYS GLY SER ALA GLU GLU THR ILE GLU ARG PHE TYR ASN SEQRES 3 B 110 ARG GLN GLY ILE GLU THR ILE GLU GLY PHE GLN GLN MET SEQRES 4 B 110 PHE VAL THR LYS THR LEU ASN THR GLU ASP THR ASP GLU SEQRES 5 B 110 VAL LYS ILE LEU THR ILE TRP GLU SER GLU ASP SER PHE SEQRES 6 B 110 ASN ASN TRP LEU ASN SER ASP VAL PHE LYS GLU ALA HIS SEQRES 7 B 110 LYS ASN VAL ARG LEU LYS SER ASP ASP ASP GLY GLN GLN SEQRES 8 B 110 SER PRO ILE LEU SER ASN LYS VAL PHE LYS TYR ASP ILE SEQRES 9 B 110 GLY TYR HIS TYR GLN LYS HET CL A 201 1 HET COH A 200 43 HET CL B 202 1 HET COH B 200 43 HETNAM CL CHLORIDE ION HETNAM COH PROTOPORPHYRIN IX CONTAINING CO FORMUL 3 CL 2(CL 1-) FORMUL 4 COH 2(C34 H32 CO N4 O4) FORMUL 7 HOH *267(H2 O) HELIX 1 1 SER A 14 ARG A 21 1 8 HELIX 2 2 GLY A 27 ILE A 31 5 5 HELIX 3 3 SER A 59 ASN A 68 1 10 HELIX 4 4 SER A 69 HIS A 76 1 8 HELIX 5 5 SER B 14 ARG B 21 1 8 HELIX 6 6 GLY B 27 ILE B 31 5 5 HELIX 7 7 SER B 59 ASN B 68 1 10 HELIX 8 8 SER B 69 LYS B 77 1 9 SHEET 1 A 9 PHE A 2 LEU A 10 0 SHEET 2 A 9 ASP A 49 TRP A 57 -1 O VAL A 51 N LEU A 8 SHEET 3 A 9 PHE A 34 THR A 42 -1 N GLN A 36 O ILE A 56 SHEET 4 A 9 ILE B 92 GLN B 107 -1 O TYR B 104 N VAL A 39 SHEET 5 A 9 PHE B 2 GLN B 11 -1 N GLU B 5 O PHE B 98 SHEET 6 A 9 THR B 48 TRP B 57 -1 O VAL B 51 N LEU B 8 SHEET 7 A 9 PHE B 34 THR B 42 -1 N GLN B 36 O ILE B 56 SHEET 8 A 9 ILE A 92 GLN A 107 -1 N ASP A 101 O LYS B 41 SHEET 9 A 9 PHE A 2 LEU A 10 -1 N GLU A 5 O PHE A 98 LINK NE2 HIS A 76 CO COH A 200 1555 1555 2.14 LINK NE2 HIS B 76 CO COH B 200 1555 1555 2.13 SITE 1 AC1 3 ASN A 6 PHE A 22 ILE A 53 SITE 1 AC2 3 ASN B 6 PHE B 22 ILE B 53 SITE 1 AC3 16 ASN A 6 ARG A 21 PHE A 22 ARG A 25 SITE 2 AC3 16 GLN A 26 GLY A 27 ILE A 28 THR A 55 SITE 3 AC3 16 TRP A 66 ALA A 75 HIS A 76 ASN A 95 SITE 4 AC3 16 HOH A 203 HOH A 244 HOH A 257 HOH A 298 SITE 1 AC4 16 ASN B 6 ARG B 21 PHE B 22 ARG B 25 SITE 2 AC4 16 GLN B 26 GLY B 27 ILE B 28 THR B 55 SITE 3 AC4 16 PHE B 63 TRP B 66 ALA B 75 HIS B 76 SITE 4 AC4 16 ASN B 95 HOH B 203 HOH B 334 HOH B 339 CRYST1 37.320 65.668 58.660 90.00 107.81 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 0.026795 0.000000 0.008609 0.00000 SCALE2 0.000000 0.015228 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017906 0.00000