HEADER OXIDOREDUCTASE 06-APR-12 4EJI TITLE HUMAN CYTOCHROME P450 2A13 IN COMPLEX WITH TWO MOLECULES OF 4- TITLE 2 (METHYLNITROSAMINO)-1-(3-PURIDYL)-1-BUTANONE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 2A13; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 31-494; COMPND 5 SYNONYM: CYPIIA13; COMPND 6 EC: 1.14.14.1; 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: CYP2A13; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: TOPP3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PKK2A13DH KEYWDS CYP2A13, CYTOCHROME P450 2A13, P450 2A13, HEME PROTEIN, KEYWDS 2 MONOOXYGENASE, DRUG METABOLISM, XENOBIOTIC METABOLISM, ENDOPLASMIC KEYWDS 3 RETICULUM, MEMBRANE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR N.M.DEVORE,E.E.SCOTT REVDAT 4 13-SEP-23 4EJI 1 REMARK SEQADV REVDAT 3 15-NOV-17 4EJI 1 REMARK REVDAT 2 02-JAN-13 4EJI 1 JRNL REVDAT 1 06-JUN-12 4EJI 0 JRNL AUTH N.M.DEVORE,E.E.SCOTT JRNL TITL NICOTINE AND 4-(METHYLNITROSAMINO)-1-(3-PYRIDYL)-1-BUTANONE JRNL TITL 2 BINDING AND ACCESS CHANNEL IN HUMAN CYTOCHROME P450 2A6 AND JRNL TITL 3 2A13 ENZYMES. JRNL REF J.BIOL.CHEM. V. 287 26576 2012 JRNL REFN ISSN 0021-9258 JRNL PMID 22700965 JRNL DOI 10.1074/JBC.M112.372813 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 6.1.13 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 41386 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) : 0.203 REMARK 3 R VALUE (WORKING SET) : 0.201 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2191 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3763 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 73 REMARK 3 SOLVENT ATOMS : 69 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 41.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.98 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : -0.01000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.168 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.155 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.120 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.629 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4EJI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-APR-12. REMARK 100 THE DEPOSITION ID IS D_1000071696. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JAN-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : RH COAT FLAT MIRROR, TOROIDAL REMARK 200 FOCUSING MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 43580 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 97.110 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 14.70 REMARK 200 R MERGE (I) : 0.10100 REMARK 200 R SYM (I) : 0.10400 REMARK 200 FOR THE DATA SET : 18.3000 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) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 14.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER MR REMARK 200 STARTING MODEL: PDB ENTRY 2P85 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.18 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 4.0 M SODIUM FORMATE, PH 7.8, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z REMARK 290 9555 X+1/2,Y+1/2,Z+1/2 REMARK 290 10555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 11555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 12555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 13555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 14555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 15555 Y+1/2,X+1/2,-Z+1/2 REMARK 290 16555 -Y+1/2,-X+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY2 9 0.000000 1.000000 0.000000 61.40350 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 97.10650 REMARK 290 SMTRY1 10 -1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY2 10 0.000000 -1.000000 0.000000 61.40350 REMARK 290 SMTRY3 10 0.000000 0.000000 1.000000 97.10650 REMARK 290 SMTRY1 11 0.000000 -1.000000 0.000000 61.40350 REMARK 290 SMTRY2 11 1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY3 11 0.000000 0.000000 1.000000 97.10650 REMARK 290 SMTRY1 12 0.000000 1.000000 0.000000 61.40350 REMARK 290 SMTRY2 12 -1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY3 12 0.000000 0.000000 1.000000 97.10650 REMARK 290 SMTRY1 13 -1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 61.40350 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 97.10650 REMARK 290 SMTRY1 14 1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 61.40350 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 97.10650 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 61.40350 REMARK 290 SMTRY2 15 1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 97.10650 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 61.40350 REMARK 290 SMTRY2 16 -1.000000 0.000000 0.000000 61.40350 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 97.10650 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 23 REMARK 465 ALA A 24 REMARK 465 LYS A 25 REMARK 465 LYS A 26 REMARK 465 THR A 27 REMARK 465 SER A 28 REMARK 465 SER A 29 REMARK 465 LYS A 30 REMARK 465 HIS A 495 REMARK 465 HIS A 496 REMARK 465 HIS A 497 REMARK 465 HIS A 498 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 PHE A 42 -58.11 70.04 REMARK 500 VAL A 92 -66.87 -102.47 REMARK 500 ILE A 335 -65.91 -109.67 REMARK 500 ASN A 338 -39.11 -142.12 REMARK 500 ARG A 381 -126.97 51.48 REMARK 500 SER A 433 -169.91 64.05 REMARK 500 TYR A 438 150.73 -48.91 REMARK 500 CYS A 439 107.38 -57.90 REMARK 500 PRO A 468 -35.45 -39.71 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 439 SG REMARK 620 2 HEM A 501 NA 96.1 REMARK 620 3 HEM A 501 NB 81.9 89.7 REMARK 620 4 HEM A 501 NC 83.0 179.1 90.2 REMARK 620 5 HEM A 501 ND 95.0 90.5 176.9 89.6 REMARK 620 6 0QA A 503 N1 176.6 87.3 98.0 93.6 85.1 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 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0QA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0QA A 503 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2P85 RELATED DB: PDB REMARK 900 STRUCTURE OF HUMAN LUNG CYTOCHROME P450 2A13 WITH INDOLE BOUND IN REMARK 900 TWO ALTERNATE CONFORMATIONS REMARK 900 RELATED ID: 3T3S RELATED DB: PDB REMARK 900 HUMAN CYTOCHROME P450 2A13 IN COMPLEX WITH PILOCARPINE REMARK 900 RELATED ID: 4EJG RELATED DB: PDB REMARK 900 RELATED ID: 4EJH RELATED DB: PDB REMARK 900 RELATED ID: 4EJJ RELATED DB: PDB DBREF 4EJI A 31 494 UNP Q16696 CP2AD_HUMAN 31 494 SEQADV 4EJI MET A 23 UNP Q16696 INITIATING METHIONINE SEQADV 4EJI ALA A 24 UNP Q16696 EXPRESSION TAG SEQADV 4EJI LYS A 25 UNP Q16696 EXPRESSION TAG SEQADV 4EJI LYS A 26 UNP Q16696 EXPRESSION TAG SEQADV 4EJI THR A 27 UNP Q16696 EXPRESSION TAG SEQADV 4EJI SER A 28 UNP Q16696 EXPRESSION TAG SEQADV 4EJI SER A 29 UNP Q16696 EXPRESSION TAG SEQADV 4EJI LYS A 30 UNP Q16696 EXPRESSION TAG SEQADV 4EJI HIS A 495 UNP Q16696 EXPRESSION TAG SEQADV 4EJI HIS A 496 UNP Q16696 EXPRESSION TAG SEQADV 4EJI HIS A 497 UNP Q16696 EXPRESSION TAG SEQADV 4EJI HIS A 498 UNP Q16696 EXPRESSION TAG SEQRES 1 A 476 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 A 476 GLY PRO THR PRO LEU PRO PHE ILE GLY ASN TYR LEU GLN SEQRES 3 A 476 LEU ASN THR GLU GLN MET TYR ASN SER LEU MET LYS ILE SEQRES 4 A 476 SER GLU ARG TYR GLY PRO VAL PHE THR ILE HIS LEU GLY SEQRES 5 A 476 PRO ARG ARG VAL VAL VAL LEU CYS GLY HIS ASP ALA VAL SEQRES 6 A 476 LYS GLU ALA LEU VAL ASP GLN ALA GLU GLU PHE SER GLY SEQRES 7 A 476 ARG GLY GLU GLN ALA THR PHE ASP TRP LEU PHE LYS GLY SEQRES 8 A 476 TYR GLY VAL ALA PHE SER ASN GLY GLU ARG ALA LYS GLN SEQRES 9 A 476 LEU ARG ARG PHE SER ILE ALA THR LEU ARG GLY PHE GLY SEQRES 10 A 476 VAL GLY LYS ARG GLY ILE GLU GLU ARG ILE GLN GLU GLU SEQRES 11 A 476 ALA GLY PHE LEU ILE ASP ALA LEU ARG GLY THR HIS GLY SEQRES 12 A 476 ALA ASN ILE ASP PRO THR PHE PHE LEU SER ARG THR VAL SEQRES 13 A 476 SER ASN VAL ILE SER SER ILE VAL PHE GLY ASP ARG PHE SEQRES 14 A 476 ASP TYR GLU ASP LYS GLU PHE LEU SER LEU LEU ARG MET SEQRES 15 A 476 MET LEU GLY SER PHE GLN PHE THR ALA THR SER THR GLY SEQRES 16 A 476 GLN LEU TYR GLU MET PHE SER SER VAL MET LYS HIS LEU SEQRES 17 A 476 PRO GLY PRO GLN GLN GLN ALA PHE LYS GLU LEU GLN GLY SEQRES 18 A 476 LEU GLU ASP PHE ILE ALA LYS LYS VAL GLU HIS ASN GLN SEQRES 19 A 476 ARG THR LEU ASP PRO ASN SER PRO ARG ASP PHE ILE ASP SEQRES 20 A 476 SER PHE LEU ILE ARG MET GLN GLU GLU GLU LYS ASN PRO SEQRES 21 A 476 ASN THR GLU PHE TYR LEU LYS ASN LEU VAL MET THR THR SEQRES 22 A 476 LEU ASN LEU PHE PHE ALA GLY THR GLU THR VAL SER THR SEQRES 23 A 476 THR LEU ARG TYR GLY PHE LEU LEU LEU MET LYS HIS PRO SEQRES 24 A 476 GLU VAL GLU ALA LYS VAL HIS GLU GLU ILE ASP ARG VAL SEQRES 25 A 476 ILE GLY LYS ASN ARG GLN PRO LYS PHE GLU ASP ARG ALA SEQRES 26 A 476 LYS MET PRO TYR THR GLU ALA VAL ILE HIS GLU ILE GLN SEQRES 27 A 476 ARG PHE GLY ASP MET LEU PRO MET GLY LEU ALA HIS ARG SEQRES 28 A 476 VAL ASN LYS ASP THR LYS PHE ARG ASP PHE PHE LEU PRO SEQRES 29 A 476 LYS GLY THR GLU VAL PHE PRO MET LEU GLY SER VAL LEU SEQRES 30 A 476 ARG ASP PRO ARG PHE PHE SER ASN PRO ARG ASP PHE ASN SEQRES 31 A 476 PRO GLN HIS PHE LEU ASP LYS LYS GLY GLN PHE LYS LYS SEQRES 32 A 476 SER ASP ALA PHE VAL PRO PHE SER ILE GLY LYS ARG TYR SEQRES 33 A 476 CYS PHE GLY GLU GLY LEU ALA ARG MET GLU LEU PHE LEU SEQRES 34 A 476 PHE PHE THR THR ILE MET GLN ASN PHE ARG PHE LYS SER SEQRES 35 A 476 PRO GLN SER PRO LYS ASP ILE ASP VAL SER PRO LYS HIS SEQRES 36 A 476 VAL GLY PHE ALA THR ILE PRO ARG ASN TYR THR MET SER SEQRES 37 A 476 PHE LEU PRO ARG HIS HIS HIS HIS HET HEM A 501 43 HET 0QA A 502 15 HET 0QA A 503 15 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 0QA 4-[METHYL(NITROSO)AMINO]-1-(PYRIDIN-3-YL)BUTAN-1-ONE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 0QA 2(C10 H13 N3 O2) FORMUL 5 HOH *69(H2 O) HELIX 1 1 ASN A 45 LEU A 49 5 5 HELIX 2 2 GLN A 53 GLY A 66 1 14 HELIX 3 3 GLY A 83 VAL A 92 1 10 HELIX 4 4 GLN A 104 LYS A 112 1 9 HELIX 5 5 ASN A 120 PHE A 138 1 19 HELIX 6 6 LYS A 142 GLY A 162 1 21 HELIX 7 7 PRO A 170 GLY A 188 1 19 HELIX 8 8 ASP A 195 THR A 212 1 18 HELIX 9 9 THR A 214 LYS A 228 1 15 HELIX 10 10 GLY A 232 THR A 258 1 27 HELIX 11 11 ASP A 266 GLU A 278 1 13 HELIX 12 12 TYR A 287 HIS A 320 1 34 HELIX 13 13 HIS A 320 ILE A 335 1 16 HELIX 14 14 LYS A 342 LYS A 348 5 7 HELIX 15 15 MET A 349 ASP A 364 1 16 HELIX 16 16 MET A 394 ARG A 400 1 7 HELIX 17 17 ASN A 412 LEU A 417 5 6 HELIX 18 18 GLY A 441 ASN A 459 1 19 HELIX 19 19 SER A 467 ILE A 471 5 5 SHEET 1 A 5 VAL A 68 LEU A 73 0 SHEET 2 A 5 ARG A 76 LEU A 81 -1 O VAL A 78 N ILE A 71 SHEET 3 A 5 GLU A 390 PRO A 393 1 O GLU A 390 N VAL A 79 SHEET 4 A 5 HIS A 372 ARG A 373 -1 N HIS A 372 O VAL A 391 SHEET 5 A 5 GLY A 100 ARG A 101 -1 N GLY A 100 O ARG A 373 SHEET 1 B 2 THR A 378 PHE A 380 0 SHEET 2 B 2 PHE A 383 LEU A 385 -1 O LEU A 385 N THR A 378 SHEET 1 C 2 PHE A 460 LYS A 463 0 SHEET 2 C 2 SER A 490 PRO A 493 -1 O SER A 490 N LYS A 463 SHEET 1 D 2 HIS A 477 VAL A 478 0 SHEET 2 D 2 THR A 482 ILE A 483 -1 O ILE A 483 N HIS A 477 LINK SG CYS A 439 FE HEM A 501 1555 1555 2.33 LINK FE HEM A 501 N1 0QA A 503 1555 1555 2.05 SITE 1 AC1 17 ARG A 101 VAL A 116 ALA A 117 ARG A 128 SITE 2 AC1 17 ALA A 301 GLY A 302 THR A 305 HIS A 372 SITE 3 AC1 17 LEU A 395 PRO A 431 PHE A 432 SER A 433 SITE 4 AC1 17 ARG A 437 CYS A 439 PHE A 440 GLY A 441 SITE 5 AC1 17 0QA A 503 SITE 1 AC2 9 GLN A 104 PHE A 107 THR A 212 GLY A 369 SITE 2 AC2 9 ALA A 371 PHE A 392 PHE A 480 0QA A 503 SITE 3 AC2 9 HOH A 624 SITE 1 AC3 9 PHE A 107 PHE A 111 PHE A 118 ASN A 297 SITE 2 AC3 9 ALA A 301 THR A 305 LEU A 370 HEM A 501 SITE 3 AC3 9 0QA A 502 CRYST1 122.807 122.807 194.213 90.00 90.00 90.00 I 4 2 2 16 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 0.008143 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008143 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005149 0.00000