PDB Short entry for 3MDM HEADER OXIDOREDUCTASE 30-MAR-10 3MDM TITLE THIOPERAMIDE COMPLEX OF CYTOCHROME P450 46A1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHOLESTEROL 24-HYDROXYLASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 51-500; COMPND 5 SYNONYM: CH24H, CYTOCHROME P450 46A1; COMPND 6 EC: 1.14.13.98; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CYP46, CYP46A1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PUC18 KEYWDS CYP46A1, P450 46A1, P450, THIOPERAMIDE, MONOOXYGENASE, METABOLIC KEYWDS 2 ENZYME, OXIDOREDUCTASE, HEME, CHOLESTEROL METABOLISM, ENDOPLASMIC KEYWDS 3 RETICULUM, IRON, LIPID METABOLISM, MEMBRANE, METAL-BINDING, KEYWDS 4 MICROSOME, NADP, STEROID METABOLISM, TRANSMEMBRANE EXPDTA X-RAY DIFFRACTION AUTHOR N.MAST,C.CHARVET,I.PIKULEVA,C.D.STOUT REVDAT 4 06-SEP-23 3MDM 1 REMARK SEQADV LINK REVDAT 3 20-OCT-10 3MDM 1 JRNL REVDAT 2 13-OCT-10 3MDM 1 JRNL REVDAT 1 28-JUL-10 3MDM 0 JRNL AUTH N.MAST,C.CHARVET,I.A.PIKULEVA,C.D.STOUT JRNL TITL STRUCTURAL BASIS OF DRUG BINDING TO CYP46A1, AN ENZYME THAT JRNL TITL 2 CONTROLS CHOLESTEROL TURNOVER IN THE BRAIN. JRNL REF J.BIOL.CHEM. V. 285 31783 2010 JRNL REFN ISSN 0021-9258 JRNL PMID 20667828 JRNL DOI 10.1074/JBC.M110.143313 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH N.MAST,M.A.WHITE,I.BJORKHEM,E.F.JOHNSON,C.D.STOUT, REMARK 1 AUTH 2 I.A.PIKULEVA REMARK 1 TITL CRYSTAL STRUCTURES OF SUBSTRATE-BOUND AND SUBSTRATE-FREE REMARK 1 TITL 2 CYTOCHROME P450 46A1, THE PRINCIPAL CHOLESTEROL HYDROXYLASE REMARK 1 TITL 3 IN THE BRAIN. REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 105 9546 2008 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 18621681 REMARK 1 DOI 10.1073/PNAS.0803717105 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 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) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 69649 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) : 0.182 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3505 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 : 3503 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 63 REMARK 3 SOLVENT ATOMS : 774 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.29600 REMARK 3 B22 (A**2) : 0.36600 REMARK 3 B33 (A**2) : -0.66200 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) : 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) : 0.019 REMARK 3 BOND ANGLES (DEGREES) : 1.860 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 5.584 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.008 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 43.54 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : HEME_HIC-UP.PAR REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : THIOPERAMIDE_092509.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3MDM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058414. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUL-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 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) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SIDE SCATTERING I-BEAM BENT REMARK 200 SINGLE CRYSTAL, ASYMMETRIC CUT REMARK 200 4.9650 DEG REMARK 200 OPTICS : RH COATED FLAT MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.9 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 70320 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 66.242 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.10 REMARK 200 R MERGE FOR SHELL (I) : 0.48100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.600 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 2Q9F REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.56 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8% PEG 8000, 20% GLYCEROL, 50 MM KPI, REMARK 280 PH 5.8, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K 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 29.41500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.10000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.91000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.10000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.41500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.91000 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: PISA 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 MET A 49 REMARK 465 ALA A 50 REMARK 465 LYS A 51 REMARK 465 LYS A 52 REMARK 465 ASP A 53 REMARK 465 GLU A 54 REMARK 465 VAL A 55 REMARK 465 GLY A 56 REMARK 465 GLN A 492 REMARK 465 PRO A 493 REMARK 465 ALA A 494 REMARK 465 PRO A 495 REMARK 465 PRO A 496 REMARK 465 PRO A 497 REMARK 465 PRO A 498 REMARK 465 PRO A 499 REMARK 465 CYS A 500 REMARK 465 HIS A 501 REMARK 465 HIS A 502 REMARK 465 HIS A 503 REMARK 465 HIS A 504 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 LEU A 120 -83.97 -118.98 REMARK 500 GLN A 175 -26.35 -145.21 REMARK 500 HIS A 304 -39.42 -132.50 REMARK 500 PHE A 428 70.33 -158.09 REMARK 500 SER A 431 -168.35 60.87 REMARK 500 ALA A 474 -74.83 75.18 REMARK 500 PRO A 481 24.83 -79.99 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 404 0.07 SIDE CHAIN 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 505 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 437 SG REMARK 620 2 HEM A 505 NA 94.9 REMARK 620 3 HEM A 505 NB 90.0 90.1 REMARK 620 4 HEM A 505 NC 85.0 179.5 90.3 REMARK 620 5 HEM A 505 ND 93.7 89.2 176.3 90.4 REMARK 620 6 FJZ A 506 N1 178.6 85.6 88.7 94.6 87.6 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 505 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FJZ A 506 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2Q9F RELATED DB: PDB REMARK 900 CHOLESTEROL 3-SULFATE COMPLEX OF CYTOCHROME P450 46A1 REMARK 900 RELATED ID: 2Q9G RELATED DB: PDB REMARK 900 APO FORM OF CYTOCHROME P450 46A1 REMARK 900 RELATED ID: 3MDR RELATED DB: PDB REMARK 900 RELATED ID: 3MDT RELATED DB: PDB REMARK 900 RELATED ID: 3MDV RELATED DB: PDB DBREF 3MDM A 51 500 UNP Q9Y6A2 CP46A_HUMAN 51 500 SEQADV 3MDM MET A 49 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDM ALA A 50 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDM HIS A 501 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDM HIS A 502 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDM HIS A 503 UNP Q9Y6A2 EXPRESSION TAG SEQADV 3MDM HIS A 504 UNP Q9Y6A2 EXPRESSION TAG SEQRES 1 A 456 MET ALA LYS LYS ASP GLU VAL GLY GLY ARG VAL LEU GLN SEQRES 2 A 456 ASP VAL PHE LEU ASP TRP ALA LYS LYS TYR GLY PRO VAL SEQRES 3 A 456 VAL ARG VAL ASN VAL PHE HIS LYS THR SER VAL ILE VAL SEQRES 4 A 456 THR SER PRO GLU SER VAL LYS LYS PHE LEU MET SER THR SEQRES 5 A 456 LYS TYR ASN LYS ASP SER LYS MET TYR ARG ALA LEU GLN SEQRES 6 A 456 THR VAL PHE GLY GLU ARG LEU PHE GLY GLN GLY LEU VAL SEQRES 7 A 456 SER GLU CYS ASN TYR GLU ARG TRP HIS LYS GLN ARG ARG SEQRES 8 A 456 VAL ILE ASP LEU ALA PHE SER ARG SER SER LEU VAL SER SEQRES 9 A 456 LEU MET GLU THR PHE ASN GLU LYS ALA GLU GLN LEU VAL SEQRES 10 A 456 GLU ILE LEU GLU ALA LYS ALA ASP GLY GLN THR PRO VAL SEQRES 11 A 456 SER MET GLN ASP MET LEU THR TYR THR ALA MET ASP ILE SEQRES 12 A 456 LEU ALA LYS ALA ALA PHE GLY MET GLU THR SER MET LEU SEQRES 13 A 456 LEU GLY ALA GLN LYS PRO LEU SER GLN ALA VAL LYS LEU SEQRES 14 A 456 MET LEU GLU GLY ILE THR ALA SER ARG ASN THR LEU ALA SEQRES 15 A 456 LYS PHE LEU PRO GLY LYS ARG LYS GLN LEU ARG GLU VAL SEQRES 16 A 456 ARG GLU SER ILE ARG PHE LEU ARG GLN VAL GLY ARG ASP SEQRES 17 A 456 TRP VAL GLN ARG ARG ARG GLU ALA LEU LYS ARG GLY GLU SEQRES 18 A 456 GLU VAL PRO ALA ASP ILE LEU THR GLN ILE LEU LYS ALA SEQRES 19 A 456 GLU GLU GLY ALA GLN ASP ASP GLU GLY LEU LEU ASP ASN SEQRES 20 A 456 PHE VAL THR PHE PHE ILE ALA GLY HIS GLU THR SER ALA SEQRES 21 A 456 ASN HIS LEU ALA PHE THR VAL MET GLU LEU SER ARG GLN SEQRES 22 A 456 PRO GLU ILE VAL ALA ARG LEU GLN ALA GLU VAL ASP GLU SEQRES 23 A 456 VAL ILE GLY SER LYS ARG TYR LEU ASP PHE GLU ASP LEU SEQRES 24 A 456 GLY ARG LEU GLN TYR LEU SER GLN VAL LEU LYS GLU SER SEQRES 25 A 456 LEU ARG LEU TYR PRO PRO ALA TRP GLY THR PHE ARG LEU SEQRES 26 A 456 LEU GLU GLU GLU THR LEU ILE ASP GLY VAL ARG VAL PRO SEQRES 27 A 456 GLY ASN THR PRO LEU LEU PHE SER THR TYR VAL MET GLY SEQRES 28 A 456 ARG MET ASP THR TYR PHE GLU ASP PRO LEU THR PHE ASN SEQRES 29 A 456 PRO ASP ARG PHE GLY PRO GLY ALA PRO LYS PRO ARG PHE SEQRES 30 A 456 THR TYR PHE PRO PHE SER LEU GLY HIS ARG SER CYS ILE SEQRES 31 A 456 GLY GLN GLN PHE ALA GLN MET GLU VAL LYS VAL VAL MET SEQRES 32 A 456 ALA LYS LEU LEU GLN ARG LEU GLU PHE ARG LEU VAL PRO SEQRES 33 A 456 GLY GLN ARG PHE GLY LEU GLN GLU GLN ALA THR LEU LYS SEQRES 34 A 456 PRO LEU ASP PRO VAL LEU CYS THR LEU ARG PRO ARG GLY SEQRES 35 A 456 TRP GLN PRO ALA PRO PRO PRO PRO PRO CYS HIS HIS HIS SEQRES 36 A 456 HIS HET HEM A 505 43 HET FJZ A 506 20 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM FJZ N-CYCLOHEXYL-4-(1H-IMIDAZOL-5-YL)PIPERIDINE-1- HETNAM 2 FJZ CARBOTHIOAMIDE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 FJZ C15 H24 N4 S FORMUL 4 HOH *774(H2 O) HELIX 1 1 VAL A 59 GLY A 72 1 14 HELIX 2 2 SER A 89 MET A 98 1 10 HELIX 3 3 ASP A 105 GLN A 113 1 9 HELIX 4 4 ASN A 130 ASP A 142 1 13 HELIX 5 5 LEU A 143 PHE A 145 5 3 HELIX 6 6 SER A 146 SER A 152 1 7 HELIX 7 7 LEU A 153 LYS A 171 1 19 HELIX 8 8 MET A 180 GLY A 198 1 19 HELIX 9 9 SER A 202 GLY A 206 5 5 HELIX 10 10 GLN A 208 THR A 228 1 21 HELIX 11 11 LEU A 229 GLY A 235 5 7 HELIX 12 12 LYS A 236 ARG A 267 1 32 HELIX 13 13 ASP A 274 GLU A 283 1 10 HELIX 14 14 ASP A 289 GLY A 303 1 15 HELIX 15 15 HIS A 304 SER A 319 1 16 HELIX 16 16 GLN A 321 ILE A 336 1 16 HELIX 17 17 ASP A 343 LEU A 350 1 8 HELIX 18 18 LEU A 350 TYR A 364 1 15 HELIX 19 19 SER A 394 ARG A 400 1 7 HELIX 20 20 ASN A 412 GLY A 417 5 6 HELIX 21 21 LEU A 432 SER A 436 5 5 HELIX 22 22 GLY A 439 ARG A 457 1 19 SHEET 1 A 4 VAL A 74 VAL A 79 0 SHEET 2 A 4 LYS A 82 VAL A 87 -1 O ILE A 86 N VAL A 75 SHEET 3 A 4 THR A 389 PHE A 393 1 O LEU A 392 N VAL A 85 SHEET 4 A 4 THR A 370 LEU A 374 -1 N ARG A 372 O LEU A 391 SHEET 1 B 2 THR A 114 VAL A 115 0 SHEET 2 B 2 GLU A 118 ARG A 119 -1 O GLU A 118 N VAL A 115 SHEET 1 C 3 VAL A 178 SER A 179 0 SHEET 2 C 3 LEU A 483 PRO A 488 -1 O CYS A 484 N VAL A 178 SHEET 3 C 3 LEU A 458 LEU A 462 -1 N GLU A 459 O ARG A 487 SHEET 1 D 2 THR A 378 ILE A 380 0 SHEET 2 D 2 VAL A 383 VAL A 385 -1 O VAL A 383 N ILE A 380 SHEET 1 E 2 LEU A 470 GLU A 472 0 SHEET 2 E 2 LEU A 476 PRO A 478 -1 O LYS A 477 N GLN A 471 LINK SG CYS A 437 FE HEM A 505 1555 1555 2.28 LINK FE HEM A 505 N1 FJZ A 506 1555 1555 2.00 SITE 1 AC1 24 LYS A 104 TYR A 109 LEU A 125 VAL A 126 SITE 2 AC1 24 TRP A 134 ARG A 138 PHE A 299 ALA A 302 SITE 3 AC1 24 GLY A 303 THR A 306 SER A 307 ALA A 367 SITE 4 AC1 24 THR A 370 PRO A 429 PHE A 430 SER A 431 SITE 5 AC1 24 ARG A 435 CYS A 437 ILE A 438 ALA A 443 SITE 6 AC1 24 FJZ A 506 HOH A 600 HOH A 601 HOH A1044 SITE 1 AC2 10 TYR A 109 LEU A 112 ARG A 226 ALA A 302 SITE 2 AC2 10 THR A 306 PHE A 371 ALA A 474 THR A 475 SITE 3 AC2 10 HEM A 505 HOH A 600 CRYST1 58.830 85.820 104.200 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 0.016998 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011652 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009597 0.00000