HEADER OXIDOREDUCTASE 30-OCT-00 1E9X TITLE CYTOCHROME P450 14 ALPHA-STEROL DEMETHYLASE (CYP51) FROM MYCOBACTERIUM TITLE 2 TUBERCULOSIS IN COMPLEX WITH 4-PHENYLIMIDAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 51-LIKE RV0764C; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYP51,14ALPHA-STEROL DEMETHYLASE; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: CYS 394 BINDS HEME IRON. 4-PHENYLIMIDAZOLE IS BOUND IN COMPND 8 THE ACTIVE SITE COORDINATING HEME IRON AS A SIXTH LIGAND SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 CELLULAR_LOCATION: CYTOPLASM; SOURCE 5 GENE: CYP51 OR RV0764C OR MTCY369.09C; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HMS174; SOURCE 9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: PET; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS OXIDOREDUCTASE, CYTOCHROME P450, 14 ALPHA-STEROL DEMETHYLASE, AZOLE KEYWDS 2 INHIBITORS EXPDTA X-RAY DIFFRACTION AUTHOR L.M.PODUST,T.L.POULOS,M.R.WATERMAN REVDAT 4 05-JUL-17 1E9X 1 REMARK REVDAT 3 24-FEB-09 1E9X 1 VERSN REVDAT 2 19-MAR-01 1E9X 1 JRNL REVDAT 1 01-NOV-00 1E9X 0 JRNL AUTH L.M.PODUST,T.L.POULOS,M.R.WATERMAN JRNL TITL CRYSTAL STRUCTURE OF CYTOCHROME P450 14ALPHA -STEROL JRNL TITL 2 DEMETHYLASE (CYP51) FROM MYCOBACTERIUM TUBERCULOSIS IN JRNL TITL 3 COMPLEX WITH AZOLE INHIBITORS JRNL REF PROC.NATL.ACAD.SCI.USA V. 98 3068 2001 JRNL REFN ISSN 0027-8424 JRNL PMID 11248033 JRNL DOI 10.1073/PNAS.061562898 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.16 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 220663.170 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 24660 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) : 0.185 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2445 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3333 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 366 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3538 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 54 REMARK 3 SOLVENT ATOMS : 282 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.36000 REMARK 3 B22 (A**2) : -2.85000 REMARK 3 B33 (A**2) : -0.51000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.17 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.800 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) : 1.320 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.110 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.080 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.010 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 48.55 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1E9X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 30-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1290005502. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-00 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 : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU IMAGE PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25107 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11100 REMARK 200 FOR THE DATA SET : 9.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.48900 REMARK 200 FOR SHELL : 3.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: CNS 1.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 400, 10% ISOPROPANOL 0.1 M REMARK 280 HEPES, PH=7.5, 4-PHENYLIMIDAZOLE IN SATURATING CONCENTRATION, PH REMARK 280 7.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 23.06800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.77850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.93150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.77850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.06800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.93150 REMARK 290 SMTRY3 4 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: MONOMERIC 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 400 REMARK 400 COMPOUND REMARK 400 HIS TAG ON THE C-TERMINAL 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 450 REMARK 465 VAL A 451 REMARK 465 HIS A 452 REMARK 465 HIS A 453 REMARK 465 HIS A 454 REMARK 465 HIS A 455 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 MET A 1 CG SD CE REMARK 470 VAL A 87 CG1 CG2 REMARK 470 ASP A 90 CG OD1 OD2 REMARK 470 SER A 92 OG REMARK 470 GLU A 94 CG CD OE1 OE2 REMARK 470 ARG A 96 CG CD NE CZ NH1 NH2 REMARK 470 THR A 218 OG1 CG2 REMARK 470 ASP A 219 CG OD1 OD2 REMARK 470 LYS A 220 CG CD CE NZ REMARK 470 ASP A 222 CG OD1 OD2 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 SER A 2 -156.93 -132.96 REMARK 500 ASP A 25 67.84 -157.01 REMARK 500 ALA A 46 -122.64 62.68 REMARK 500 VAL A 88 -71.61 -99.21 REMARK 500 LEU A 179 -9.61 -59.55 REMARK 500 PRO A 187 54.36 -69.00 REMARK 500 PRO A 217 164.11 -47.06 REMARK 500 THR A 218 -173.53 142.81 REMARK 500 ASP A 219 28.01 -76.86 REMARK 500 CYS A 394 109.99 -46.38 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 460 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 394 SG REMARK 620 2 HEM A 460 NA 97.2 REMARK 620 3 HEM A 460 NB 81.6 90.6 REMARK 620 4 HEM A 460 NC 82.2 179.4 89.3 REMARK 620 5 HEM A 460 ND 97.7 90.5 178.8 89.7 REMARK 620 6 PIM A 470 N3 175.1 86.7 95.5 93.9 85.2 REMARK 620 N 1 2 3 4 5 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 460 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PIM A 470 DBREF 1E9X A 1 451 UNP P77901 CP51_MYCTU 1 451 DBREF 1E9X A 452 455 PDB 1E9X 1E9X 452 455 SEQRES 1 A 455 MET SER ALA VAL ALA LEU PRO ARG VAL SER GLY GLY HIS SEQRES 2 A 455 ASP GLU HIS GLY HIS LEU GLU GLU PHE ARG THR ASP PRO SEQRES 3 A 455 ILE GLY LEU MET GLN ARG VAL ARG ASP GLU CYS GLY ASP SEQRES 4 A 455 VAL GLY THR PHE GLN LEU ALA GLY LYS GLN VAL VAL LEU SEQRES 5 A 455 LEU SER GLY SER HIS ALA ASN GLU PHE PHE PHE ARG ALA SEQRES 6 A 455 GLY ASP ASP ASP LEU ASP GLN ALA LYS ALA TYR PRO PHE SEQRES 7 A 455 MET THR PRO ILE PHE GLY GLU GLY VAL VAL PHE ASP ALA SEQRES 8 A 455 SER PRO GLU ARG ARG LYS GLU MET LEU HIS ASN ALA ALA SEQRES 9 A 455 LEU ARG GLY GLU GLN MET LYS GLY HIS ALA ALA THR ILE SEQRES 10 A 455 GLU ASP GLN VAL ARG ARG MET ILE ALA ASP TRP GLY GLU SEQRES 11 A 455 ALA GLY GLU ILE ASP LEU LEU ASP PHE PHE ALA GLU LEU SEQRES 12 A 455 THR ILE TYR THR SER SER ALA CYS LEU ILE GLY LYS LYS SEQRES 13 A 455 PHE ARG ASP GLN LEU ASP GLY ARG PHE ALA LYS LEU TYR SEQRES 14 A 455 HIS GLU LEU GLU ARG GLY THR ASP PRO LEU ALA TYR VAL SEQRES 15 A 455 ASP PRO TYR LEU PRO ILE GLU SER PHE ARG ARG ARG ASP SEQRES 16 A 455 GLU ALA ARG ASN GLY LEU VAL ALA LEU VAL ALA ASP ILE SEQRES 17 A 455 MET ASN GLY ARG ILE ALA ASN PRO PRO THR ASP LYS SER SEQRES 18 A 455 ASP ARG ASP MET LEU ASP VAL LEU ILE ALA VAL LYS ALA SEQRES 19 A 455 GLU THR GLY THR PRO ARG PHE SER ALA ASP GLU ILE THR SEQRES 20 A 455 GLY MET PHE ILE SER MET MET PHE ALA GLY HIS HIS THR SEQRES 21 A 455 SER SER GLY THR ALA SER TRP THR LEU ILE GLU LEU MET SEQRES 22 A 455 ARG HIS ARG ASP ALA TYR ALA ALA VAL ILE ASP GLU LEU SEQRES 23 A 455 ASP GLU LEU TYR GLY ASP GLY ARG SER VAL SER PHE HIS SEQRES 24 A 455 ALA LEU ARG GLN ILE PRO GLN LEU GLU ASN VAL LEU LYS SEQRES 25 A 455 GLU THR LEU ARG LEU HIS PRO PRO LEU ILE ILE LEU MET SEQRES 26 A 455 ARG VAL ALA LYS GLY GLU PHE GLU VAL GLN GLY HIS ARG SEQRES 27 A 455 ILE HIS GLU GLY ASP LEU VAL ALA ALA SER PRO ALA ILE SEQRES 28 A 455 SER ASN ARG ILE PRO GLU ASP PHE PRO ASP PRO HIS ASP SEQRES 29 A 455 PHE VAL PRO ALA ARG TYR GLU GLN PRO ARG GLN GLU ASP SEQRES 30 A 455 LEU LEU ASN ARG TRP THR TRP ILE PRO PHE GLY ALA GLY SEQRES 31 A 455 ARG HIS ARG CYS VAL GLY ALA ALA PHE ALA ILE MET GLN SEQRES 32 A 455 ILE LYS ALA ILE PHE SER VAL LEU LEU ARG GLU TYR GLU SEQRES 33 A 455 PHE GLU MET ALA GLN PRO PRO GLU SER TYR ARG ASN ASP SEQRES 34 A 455 HIS SER LYS MET VAL VAL GLN LEU ALA GLN PRO ALA CYS SEQRES 35 A 455 VAL ARG TYR ARG ARG ARG THR GLY VAL HIS HIS HIS HIS HET HEM A 460 43 HET PIM A 470 11 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM PIM 4-PHENYL-1H-IMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 PIM C9 H8 N2 FORMUL 4 HOH *282(H2 O) HELIX 1 1 HIS A 18 ASP A 25 1 8 HELIX 2 2 ASP A 25 GLY A 38 1 14 HELIX 3 3 SER A 54 ALA A 65 1 12 HELIX 4 4 TYR A 76 PHE A 78 5 3 HELIX 5 5 MET A 79 GLY A 84 1 6 HELIX 6 6 SER A 92 ASN A 102 1 11 HELIX 7 7 ARG A 106 ALA A 126 1 21 HELIX 8 8 LEU A 136 ILE A 153 1 18 HELIX 9 9 GLY A 154 ASP A 159 1 6 HELIX 10 10 ASP A 162 GLY A 175 1 14 HELIX 11 11 ASP A 177 VAL A 182 5 6 HELIX 12 12 ILE A 188 ASN A 215 1 28 HELIX 13 13 ASP A 224 VAL A 232 1 9 HELIX 14 14 SER A 242 HIS A 275 1 34 HELIX 15 15 HIS A 275 TYR A 290 1 16 HELIX 16 16 GLY A 291 GLY A 293 5 3 HELIX 17 17 SER A 295 ALA A 300 1 6 HELIX 18 18 ILE A 304 HIS A 318 1 15 HELIX 19 19 SER A 348 ASN A 353 1 6 HELIX 20 20 VAL A 366 GLU A 371 5 6 HELIX 21 21 GLN A 375 ASN A 380 1 6 HELIX 22 22 ALA A 389 ARG A 393 5 5 HELIX 23 23 GLY A 396 GLU A 414 1 19 HELIX 24 24 PRO A 422 TYR A 426 5 5 SHEET 1 AA 5 VAL A 40 LEU A 45 0 SHEET 2 AA 5 LYS A 48 LEU A 53 -1 O LYS A 48 N LEU A 45 SHEET 3 AA 5 LEU A 344 ALA A 347 1 O LEU A 344 N VAL A 51 SHEET 4 AA 5 LEU A 324 ALA A 328 -1 O LEU A 324 N ALA A 347 SHEET 5 AA 5 LEU A 70 ASP A 71 -1 O ASP A 71 N VAL A 327 SHEET 1 AB 3 ALA A 131 ASP A 135 0 SHEET 2 AB 3 CYS A 442 ARG A 447 -1 O VAL A 443 N ILE A 134 SHEET 3 AB 3 TYR A 415 MET A 419 -1 O GLU A 416 N ARG A 446 SHEET 1 AC 2 PHE A 332 VAL A 334 0 SHEET 2 AC 2 HIS A 337 ILE A 339 -1 O HIS A 337 N VAL A 334 SHEET 1 AD 2 ASN A 428 ASP A 429 0 SHEET 2 AD 2 GLN A 436 LEU A 437 -1 O GLN A 436 N ASP A 429 LINK FE HEM A 460 SG CYS A 394 1555 1555 2.39 LINK FE HEM A 460 N3 PIM A 470 1555 1555 2.40 CISPEP 1 GLN A 439 PRO A 440 0 0.10 SITE 1 AC1 18 GLN A 72 TYR A 76 LYS A 97 HIS A 101 SITE 2 AC1 18 LEU A 105 GLY A 257 THR A 260 PRO A 320 SITE 3 AC1 18 ARG A 326 PRO A 386 PHE A 387 GLY A 388 SITE 4 AC1 18 HIS A 392 CYS A 394 VAL A 395 ALA A 400 SITE 5 AC1 18 PIM A 470 HOH A2282 SITE 1 AC2 6 TYR A 76 MET A 79 ALA A 256 HIS A 259 SITE 2 AC2 6 THR A 260 HEM A 460 CRYST1 46.136 83.863 109.557 90.00 90.00 90.00 P 21 21 21 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 0.021675 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011924 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009128 0.00000