PDB Short entry for 2PG6 HEADER OXIDOREDUCTASE 06-APR-07 2PG6 TITLE CRYSTAL STRUCTURE OF HUMAN MICROSOMAL P450 2A6 L240C/N297Q COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 2A6; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: CYPIIA6, COUMARIN 7-HYDROXYLASE, P450 IIA3, CYP2A3, P450I; COMPND 5 EC: 1.14.14.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CYP2A6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: DC5; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PCWORI KEYWDS CYP2A6, P450 2A6, P450, MONOOXYGENASES, DRUG METABOLIZING ENZYME, KEYWDS 2 HEME, INDOLE, MUTANT, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR S.SANSEN,M.H.HSU,C.D.STOUT,E.F.JOHNSON REVDAT 6 30-AUG-23 2PG6 1 REMARK REVDAT 5 20-OCT-21 2PG6 1 REMARK SEQADV REVDAT 4 18-OCT-17 2PG6 1 REMARK REVDAT 3 24-FEB-09 2PG6 1 VERSN REVDAT 2 11-SEP-07 2PG6 1 JRNL REVDAT 1 24-JUL-07 2PG6 0 JRNL AUTH S.SANSEN,M.H.HSU,C.D.STOUT,E.F.JOHNSON JRNL TITL STRUCTURAL INSIGHT INTO THE ALTERED SUBSTRATE SPECIFICITY OF JRNL TITL 2 HUMAN CYTOCHROME P450 2A6 MUTANTS. JRNL REF ARCH.BIOCHEM.BIOPHYS. V. 464 197 2007 JRNL REFN ISSN 0003-9861 JRNL PMID 17540336 JRNL DOI 10.1016/J.ABB.2007.04.028 REMARK 2 REMARK 2 RESOLUTION. 2.53 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) : 2.53 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 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) (%) : 90.1 REMARK 3 NUMBER OF REFLECTIONS : 70898 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) : 0.209 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 3604 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) : 2.53 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.64 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2700 REMARK 3 BIN FREE R VALUE : 0.3390 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 419 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 15015 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 172 REMARK 3 SOLVENT ATOMS : 309 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.54400 REMARK 3 B22 (A**2) : -3.68900 REMARK 3 B33 (A**2) : 12.23300 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -2.66300 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.28 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 1.035 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.671 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.632 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.394 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 23.38 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 : CNS_TOPPAR:XDICT_HEME.PAR REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : 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 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2PG6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-APR-07. REMARK 100 THE DEPOSITION ID IS D_1000042342. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-DEC-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL1-5 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, PARALLEL REMARK 200 OPTICS : DOUBLE-CRYSTAL MONOCHROMATOR, 1M REMARK 200 LONG RH COATED BENT CYLINDRICAL REMARK 200 MIRROR FOR HORIZONTAL AND REMARK 200 VERTICAL FOCUSSING REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 70956 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.530 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.09600 REMARK 200 R SYM (I) : 0.09600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.53 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.59 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.20 REMARK 200 R MERGE FOR SHELL (I) : 0.23800 REMARK 200 R SYM FOR SHELL (I) : 0.23800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: COUMARIN COMPLEX OF CYP2A6, PDB ENTRY 1Z10 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG3350, TRIS, AMMONIUM SULFATE, REMARK 280 ANAPOE-35, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 291K 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 79.12250 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, 3, 4 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 300 REMARK: THE BIOLOGICAL ASSEMBLY HAS NOT BEEN DETERMINED BUT THOUGHT REMARK 300 TO BE A MONOMER 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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 HIS A 495 REMARK 465 HIS A 496 REMARK 465 HIS A 497 REMARK 465 HIS A 498 REMARK 465 MET B 23 REMARK 465 ALA B 24 REMARK 465 LYS B 25 REMARK 465 LYS B 26 REMARK 465 THR B 27 REMARK 465 SER B 28 REMARK 465 SER B 29 REMARK 465 LYS B 30 REMARK 465 GLY B 31 REMARK 465 HIS B 496 REMARK 465 HIS B 497 REMARK 465 HIS B 498 REMARK 465 MET C 23 REMARK 465 ALA C 24 REMARK 465 LYS C 25 REMARK 465 LYS C 26 REMARK 465 THR C 27 REMARK 465 SER C 28 REMARK 465 SER C 29 REMARK 465 LYS C 30 REMARK 465 HIS C 495 REMARK 465 HIS C 496 REMARK 465 HIS C 497 REMARK 465 HIS C 498 REMARK 465 MET D 23 REMARK 465 ALA D 24 REMARK 465 LYS D 25 REMARK 465 LYS D 26 REMARK 465 THR D 27 REMARK 465 SER D 28 REMARK 465 SER D 29 REMARK 465 LYS D 30 REMARK 465 HIS D 495 REMARK 465 HIS D 496 REMARK 465 HIS D 497 REMARK 465 HIS D 498 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH B 547 O HOH C 572 1554 1.98 REMARK 500 REMARK 500 REMARK: NULL 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 -63.39 66.03 REMARK 500 ALA A 90 -74.02 -68.47 REMARK 500 THR A 171 -70.97 -29.74 REMARK 500 THR A 258 18.81 -160.97 REMARK 500 PRO A 261 -7.87 -55.82 REMARK 500 THR A 303 -71.90 -111.27 REMARK 500 ILE A 366 76.77 -115.62 REMARK 500 SER A 369 -162.05 49.18 REMARK 500 ASP A 377 131.58 -37.47 REMARK 500 PRO A 402 -3.63 -58.71 REMARK 500 PRO A 408 -34.10 -38.19 REMARK 500 SER A 433 -172.96 65.73 REMARK 500 PRO B 34 137.72 -39.13 REMARK 500 PHE B 42 -49.54 66.00 REMARK 500 GLN B 53 59.10 -160.25 REMARK 500 VAL B 92 -67.29 -102.66 REMARK 500 ASP B 137 3.07 -67.25 REMARK 500 THR B 177 -71.92 -57.49 REMARK 500 ASP B 195 110.34 -38.27 REMARK 500 ARG B 257 -37.78 -38.64 REMARK 500 PRO B 261 -35.70 -37.00 REMARK 500 SER B 263 77.08 -164.93 REMARK 500 MET B 349 73.21 -117.30 REMARK 500 SER B 369 -152.85 53.25 REMARK 500 ALA B 371 135.77 -38.81 REMARK 500 ASP B 377 127.60 -39.87 REMARK 500 ARG B 381 60.51 31.49 REMARK 500 ASP B 382 -3.44 80.83 REMARK 500 ASP B 401 101.01 -57.00 REMARK 500 PRO B 402 -10.53 -46.68 REMARK 500 ASN B 407 63.66 -159.18 REMARK 500 SER B 433 -170.88 69.57 REMARK 500 PHE C 42 -51.93 63.04 REMARK 500 ASN C 45 31.34 -99.52 REMARK 500 LYS C 112 46.98 35.98 REMARK 500 VAL C 140 127.42 -34.56 REMARK 500 VAL C 181 -70.75 -72.51 REMARK 500 ASP C 195 106.70 -56.81 REMARK 500 LYS C 337 -4.31 -146.72 REMARK 500 SER C 369 -161.68 48.79 REMARK 500 ARG C 381 -119.89 57.57 REMARK 500 SER C 433 -166.32 64.49 REMARK 500 PHE D 42 -56.10 73.15 REMARK 500 GLN D 94 38.00 -140.73 REMARK 500 LYS D 112 49.26 35.34 REMARK 500 PHE D 138 42.00 -107.52 REMARK 500 VAL D 140 74.83 13.40 REMARK 500 ARG D 143 -60.13 -27.74 REMARK 500 ASP D 189 159.16 177.86 REMARK 500 ARG D 190 171.12 -58.21 REMARK 500 REMARK 500 THIS ENTRY HAS 61 RAMACHANDRAN OUTLIERS. 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 439 SG REMARK 620 2 HEM A 500 NA 99.4 REMARK 620 3 HEM A 500 NB 90.4 90.0 REMARK 620 4 HEM A 500 NC 85.5 174.9 91.3 REMARK 620 5 HEM A 500 ND 90.8 89.5 178.8 89.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 439 SG REMARK 620 2 HEM B 500 NA 95.6 REMARK 620 3 HEM B 500 NB 93.8 89.5 REMARK 620 4 HEM B 500 NC 87.2 177.1 91.1 REMARK 620 5 HEM B 500 ND 88.3 89.2 177.7 90.0 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM C 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 439 SG REMARK 620 2 HEM C 500 NA 93.8 REMARK 620 3 HEM C 500 NB 91.3 89.8 REMARK 620 4 HEM C 500 NC 89.4 176.6 91.4 REMARK 620 5 HEM C 500 ND 90.2 89.6 178.4 89.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM D 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 439 SG REMARK 620 2 HEM D 500 NA 100.5 REMARK 620 3 HEM D 500 NB 91.7 89.6 REMARK 620 4 HEM D 500 NC 83.0 176.4 91.0 REMARK 620 5 HEM D 500 ND 89.5 89.6 178.6 89.7 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 HEM A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 500 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Z10 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN MICROSOMAL P450 2A6 WITH COUMARIN BOUND REMARK 900 RELATED ID: 1Z11 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN MICROSOMAL P450 2A6 WITH METHOXSALEN REMARK 900 BOUND REMARK 900 RELATED ID: 2FDU RELATED DB: PDB REMARK 900 MICROSOMAL P450 2A6 WITH THE INHIBITOR N,N-DIMETHYL(5-(PYRIDIN-3-YL) REMARK 900 FURAN-2-YL)METHANAMINE BOUND REMARK 900 RELATED ID: 2FDV RELATED DB: PDB REMARK 900 MICROSOMAL P450 2A6 WITH THE INHIBITOR N-METHYL(5-(PYRIDIN-3-YL) REMARK 900 FURAN-2-YL)METHANAMINE BOUND REMARK 900 RELATED ID: 2FDW RELATED DB: PDB REMARK 900 MICROSOMAL P450 2A6 WITH THE INHIBITOR (5-(PYRIDIN-3-YL)FURAN-2-YL) REMARK 900 METHANAMINE BOUND REMARK 900 RELATED ID: 2FDY RELATED DB: PDB REMARK 900 MICROSOMAL P450 2A6 WITH THE INHIBITOR ADRITHIOL BOUND REMARK 900 RELATED ID: 2PG5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN MICROSOMAL P450 2A6 N297Q REMARK 900 RELATED ID: 2PG7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN MICROSOMAL P450 2A6 N297Q/I300V DBREF 2PG6 A 29 494 UNP P11509 CP2A6_HUMAN 29 494 DBREF 2PG6 B 29 494 UNP P11509 CP2A6_HUMAN 29 494 DBREF 2PG6 C 29 494 UNP P11509 CP2A6_HUMAN 29 494 DBREF 2PG6 D 29 494 UNP P11509 CP2A6_HUMAN 29 494 SEQADV 2PG6 MET A 23 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 ALA A 24 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS A 25 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS A 26 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 THR A 27 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 SER A 28 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LEU A 160 UNP P11509 HIS 160 VARIANT SEQADV 2PG6 CYS A 240 UNP P11509 LEU 240 ENGINEERED MUTATION SEQADV 2PG6 GLN A 297 UNP P11509 ASN 297 ENGINEERED MUTATION SEQADV 2PG6 HIS A 495 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS A 496 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS A 497 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS A 498 UNP P11509 EXPRESSION TAG SEQADV 2PG6 MET B 23 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 ALA B 24 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS B 25 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS B 26 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 THR B 27 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 SER B 28 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LEU B 160 UNP P11509 HIS 160 VARIANT SEQADV 2PG6 CYS B 240 UNP P11509 LEU 240 ENGINEERED MUTATION SEQADV 2PG6 GLN B 297 UNP P11509 ASN 297 ENGINEERED MUTATION SEQADV 2PG6 HIS B 495 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS B 496 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS B 497 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS B 498 UNP P11509 EXPRESSION TAG SEQADV 2PG6 MET C 23 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 ALA C 24 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS C 25 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS C 26 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 THR C 27 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 SER C 28 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LEU C 160 UNP P11509 HIS 160 VARIANT SEQADV 2PG6 CYS C 240 UNP P11509 LEU 240 ENGINEERED MUTATION SEQADV 2PG6 GLN C 297 UNP P11509 ASN 297 ENGINEERED MUTATION SEQADV 2PG6 HIS C 495 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS C 496 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS C 497 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS C 498 UNP P11509 EXPRESSION TAG SEQADV 2PG6 MET D 23 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 ALA D 24 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS D 25 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LYS D 26 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 THR D 27 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 SER D 28 UNP P11509 CLONING ARTIFACT SEQADV 2PG6 LEU D 160 UNP P11509 HIS 160 VARIANT SEQADV 2PG6 CYS D 240 UNP P11509 LEU 240 ENGINEERED MUTATION SEQADV 2PG6 GLN D 297 UNP P11509 ASN 297 ENGINEERED MUTATION SEQADV 2PG6 HIS D 495 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS D 496 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS D 497 UNP P11509 EXPRESSION TAG SEQADV 2PG6 HIS D 498 UNP P11509 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 ARG 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 VAL PHE LYS GLY SEQRES 8 A 476 TYR GLY VAL VAL PHE SER ASN GLY GLU ARG ALA LYS GLN SEQRES 9 A 476 LEU ARG ARG PHE SER ILE ALA THR LEU ARG ASP 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 GLY 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 LYS ASP LYS GLU PHE LEU SER LEU LEU ARG MET SEQRES 15 A 476 MET LEU GLY ILE PHE GLN PHE THR SER 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 GLN CYS 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 GLN LEU PHE ILE GLY 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 MET GLU ALA VAL ILE HIS GLU ILE GLN SEQRES 27 A 476 ARG PHE GLY ASP VAL ILE PRO MET SER LEU ALA ARG ARG SEQRES 28 A 476 VAL LYS LYS ASP THR LYS PHE ARG ASP PHE PHE LEU PRO SEQRES 29 A 476 LYS GLY THR GLU VAL TYR PRO MET LEU GLY SER VAL LEU SEQRES 30 A 476 ARG ASP PRO SER PHE PHE SER ASN PRO GLN ASP PHE ASN SEQRES 31 A 476 PRO GLN HIS PHE LEU ASN GLU LYS GLY GLN PHE LYS LYS SEQRES 32 A 476 SER ASP ALA PHE VAL PRO PHE SER ILE GLY LYS ARG ASN 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 VAL MET GLN ASN PHE ARG LEU LYS SER SEQRES 35 A 476 SER 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 SEQRES 1 B 476 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 B 476 GLY PRO THR PRO LEU PRO PHE ILE GLY ASN TYR LEU GLN SEQRES 3 B 476 LEU ASN THR GLU GLN MET TYR ASN SER LEU MET LYS ILE SEQRES 4 B 476 SER GLU ARG TYR GLY PRO VAL PHE THR ILE HIS LEU GLY SEQRES 5 B 476 PRO ARG ARG VAL VAL VAL LEU CYS GLY HIS ASP ALA VAL SEQRES 6 B 476 ARG GLU ALA LEU VAL ASP GLN ALA GLU GLU PHE SER GLY SEQRES 7 B 476 ARG GLY GLU GLN ALA THR PHE ASP TRP VAL PHE LYS GLY SEQRES 8 B 476 TYR GLY VAL VAL PHE SER ASN GLY GLU ARG ALA LYS GLN SEQRES 9 B 476 LEU ARG ARG PHE SER ILE ALA THR LEU ARG ASP PHE GLY SEQRES 10 B 476 VAL GLY LYS ARG GLY ILE GLU GLU ARG ILE GLN GLU GLU SEQRES 11 B 476 ALA GLY PHE LEU ILE ASP ALA LEU ARG GLY THR GLY GLY SEQRES 12 B 476 ALA ASN ILE ASP PRO THR PHE PHE LEU SER ARG THR VAL SEQRES 13 B 476 SER ASN VAL ILE SER SER ILE VAL PHE GLY ASP ARG PHE SEQRES 14 B 476 ASP TYR LYS ASP LYS GLU PHE LEU SER LEU LEU ARG MET SEQRES 15 B 476 MET LEU GLY ILE PHE GLN PHE THR SER THR SER THR GLY SEQRES 16 B 476 GLN LEU TYR GLU MET PHE SER SER VAL MET LYS HIS LEU SEQRES 17 B 476 PRO GLY PRO GLN GLN GLN ALA PHE GLN CYS LEU GLN GLY SEQRES 18 B 476 LEU GLU ASP PHE ILE ALA LYS LYS VAL GLU HIS ASN GLN SEQRES 19 B 476 ARG THR LEU ASP PRO ASN SER PRO ARG ASP PHE ILE ASP SEQRES 20 B 476 SER PHE LEU ILE ARG MET GLN GLU GLU GLU LYS ASN PRO SEQRES 21 B 476 ASN THR GLU PHE TYR LEU LYS ASN LEU VAL MET THR THR SEQRES 22 B 476 LEU GLN LEU PHE ILE GLY GLY THR GLU THR VAL SER THR SEQRES 23 B 476 THR LEU ARG TYR GLY PHE LEU LEU LEU MET LYS HIS PRO SEQRES 24 B 476 GLU VAL GLU ALA LYS VAL HIS GLU GLU ILE ASP ARG VAL SEQRES 25 B 476 ILE GLY LYS ASN ARG GLN PRO LYS PHE GLU ASP ARG ALA SEQRES 26 B 476 LYS MET PRO TYR MET GLU ALA VAL ILE HIS GLU ILE GLN SEQRES 27 B 476 ARG PHE GLY ASP VAL ILE PRO MET SER LEU ALA ARG ARG SEQRES 28 B 476 VAL LYS LYS ASP THR LYS PHE ARG ASP PHE PHE LEU PRO SEQRES 29 B 476 LYS GLY THR GLU VAL TYR PRO MET LEU GLY SER VAL LEU SEQRES 30 B 476 ARG ASP PRO SER PHE PHE SER ASN PRO GLN ASP PHE ASN SEQRES 31 B 476 PRO GLN HIS PHE LEU ASN GLU LYS GLY GLN PHE LYS LYS SEQRES 32 B 476 SER ASP ALA PHE VAL PRO PHE SER ILE GLY LYS ARG ASN SEQRES 33 B 476 CYS PHE GLY GLU GLY LEU ALA ARG MET GLU LEU PHE LEU SEQRES 34 B 476 PHE PHE THR THR VAL MET GLN ASN PHE ARG LEU LYS SER SEQRES 35 B 476 SER GLN SER PRO LYS ASP ILE ASP VAL SER PRO LYS HIS SEQRES 36 B 476 VAL GLY PHE ALA THR ILE PRO ARG ASN TYR THR MET SER SEQRES 37 B 476 PHE LEU PRO ARG HIS HIS HIS HIS SEQRES 1 C 476 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 C 476 GLY PRO THR PRO LEU PRO PHE ILE GLY ASN TYR LEU GLN SEQRES 3 C 476 LEU ASN THR GLU GLN MET TYR ASN SER LEU MET LYS ILE SEQRES 4 C 476 SER GLU ARG TYR GLY PRO VAL PHE THR ILE HIS LEU GLY SEQRES 5 C 476 PRO ARG ARG VAL VAL VAL LEU CYS GLY HIS ASP ALA VAL SEQRES 6 C 476 ARG GLU ALA LEU VAL ASP GLN ALA GLU GLU PHE SER GLY SEQRES 7 C 476 ARG GLY GLU GLN ALA THR PHE ASP TRP VAL PHE LYS GLY SEQRES 8 C 476 TYR GLY VAL VAL PHE SER ASN GLY GLU ARG ALA LYS GLN SEQRES 9 C 476 LEU ARG ARG PHE SER ILE ALA THR LEU ARG ASP PHE GLY SEQRES 10 C 476 VAL GLY LYS ARG GLY ILE GLU GLU ARG ILE GLN GLU GLU SEQRES 11 C 476 ALA GLY PHE LEU ILE ASP ALA LEU ARG GLY THR GLY GLY SEQRES 12 C 476 ALA ASN ILE ASP PRO THR PHE PHE LEU SER ARG THR VAL SEQRES 13 C 476 SER ASN VAL ILE SER SER ILE VAL PHE GLY ASP ARG PHE SEQRES 14 C 476 ASP TYR LYS ASP LYS GLU PHE LEU SER LEU LEU ARG MET SEQRES 15 C 476 MET LEU GLY ILE PHE GLN PHE THR SER THR SER THR GLY SEQRES 16 C 476 GLN LEU TYR GLU MET PHE SER SER VAL MET LYS HIS LEU SEQRES 17 C 476 PRO GLY PRO GLN GLN GLN ALA PHE GLN CYS LEU GLN GLY SEQRES 18 C 476 LEU GLU ASP PHE ILE ALA LYS LYS VAL GLU HIS ASN GLN SEQRES 19 C 476 ARG THR LEU ASP PRO ASN SER PRO ARG ASP PHE ILE ASP SEQRES 20 C 476 SER PHE LEU ILE ARG MET GLN GLU GLU GLU LYS ASN PRO SEQRES 21 C 476 ASN THR GLU PHE TYR LEU LYS ASN LEU VAL MET THR THR SEQRES 22 C 476 LEU GLN LEU PHE ILE GLY GLY THR GLU THR VAL SER THR SEQRES 23 C 476 THR LEU ARG TYR GLY PHE LEU LEU LEU MET LYS HIS PRO SEQRES 24 C 476 GLU VAL GLU ALA LYS VAL HIS GLU GLU ILE ASP ARG VAL SEQRES 25 C 476 ILE GLY LYS ASN ARG GLN PRO LYS PHE GLU ASP ARG ALA SEQRES 26 C 476 LYS MET PRO TYR MET GLU ALA VAL ILE HIS GLU ILE GLN SEQRES 27 C 476 ARG PHE GLY ASP VAL ILE PRO MET SER LEU ALA ARG ARG SEQRES 28 C 476 VAL LYS LYS ASP THR LYS PHE ARG ASP PHE PHE LEU PRO SEQRES 29 C 476 LYS GLY THR GLU VAL TYR PRO MET LEU GLY SER VAL LEU SEQRES 30 C 476 ARG ASP PRO SER PHE PHE SER ASN PRO GLN ASP PHE ASN SEQRES 31 C 476 PRO GLN HIS PHE LEU ASN GLU LYS GLY GLN PHE LYS LYS SEQRES 32 C 476 SER ASP ALA PHE VAL PRO PHE SER ILE GLY LYS ARG ASN SEQRES 33 C 476 CYS PHE GLY GLU GLY LEU ALA ARG MET GLU LEU PHE LEU SEQRES 34 C 476 PHE PHE THR THR VAL MET GLN ASN PHE ARG LEU LYS SER SEQRES 35 C 476 SER GLN SER PRO LYS ASP ILE ASP VAL SER PRO LYS HIS SEQRES 36 C 476 VAL GLY PHE ALA THR ILE PRO ARG ASN TYR THR MET SER SEQRES 37 C 476 PHE LEU PRO ARG HIS HIS HIS HIS SEQRES 1 D 476 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 D 476 GLY PRO THR PRO LEU PRO PHE ILE GLY ASN TYR LEU GLN SEQRES 3 D 476 LEU ASN THR GLU GLN MET TYR ASN SER LEU MET LYS ILE SEQRES 4 D 476 SER GLU ARG TYR GLY PRO VAL PHE THR ILE HIS LEU GLY SEQRES 5 D 476 PRO ARG ARG VAL VAL VAL LEU CYS GLY HIS ASP ALA VAL SEQRES 6 D 476 ARG GLU ALA LEU VAL ASP GLN ALA GLU GLU PHE SER GLY SEQRES 7 D 476 ARG GLY GLU GLN ALA THR PHE ASP TRP VAL PHE LYS GLY SEQRES 8 D 476 TYR GLY VAL VAL PHE SER ASN GLY GLU ARG ALA LYS GLN SEQRES 9 D 476 LEU ARG ARG PHE SER ILE ALA THR LEU ARG ASP PHE GLY SEQRES 10 D 476 VAL GLY LYS ARG GLY ILE GLU GLU ARG ILE GLN GLU GLU SEQRES 11 D 476 ALA GLY PHE LEU ILE ASP ALA LEU ARG GLY THR GLY GLY SEQRES 12 D 476 ALA ASN ILE ASP PRO THR PHE PHE LEU SER ARG THR VAL SEQRES 13 D 476 SER ASN VAL ILE SER SER ILE VAL PHE GLY ASP ARG PHE SEQRES 14 D 476 ASP TYR LYS ASP LYS GLU PHE LEU SER LEU LEU ARG MET SEQRES 15 D 476 MET LEU GLY ILE PHE GLN PHE THR SER THR SER THR GLY SEQRES 16 D 476 GLN LEU TYR GLU MET PHE SER SER VAL MET LYS HIS LEU SEQRES 17 D 476 PRO GLY PRO GLN GLN GLN ALA PHE GLN CYS LEU GLN GLY SEQRES 18 D 476 LEU GLU ASP PHE ILE ALA LYS LYS VAL GLU HIS ASN GLN SEQRES 19 D 476 ARG THR LEU ASP PRO ASN SER PRO ARG ASP PHE ILE ASP SEQRES 20 D 476 SER PHE LEU ILE ARG MET GLN GLU GLU GLU LYS ASN PRO SEQRES 21 D 476 ASN THR GLU PHE TYR LEU LYS ASN LEU VAL MET THR THR SEQRES 22 D 476 LEU GLN LEU PHE ILE GLY GLY THR GLU THR VAL SER THR SEQRES 23 D 476 THR LEU ARG TYR GLY PHE LEU LEU LEU MET LYS HIS PRO SEQRES 24 D 476 GLU VAL GLU ALA LYS VAL HIS GLU GLU ILE ASP ARG VAL SEQRES 25 D 476 ILE GLY LYS ASN ARG GLN PRO LYS PHE GLU ASP ARG ALA SEQRES 26 D 476 LYS MET PRO TYR MET GLU ALA VAL ILE HIS GLU ILE GLN SEQRES 27 D 476 ARG PHE GLY ASP VAL ILE PRO MET SER LEU ALA ARG ARG SEQRES 28 D 476 VAL LYS LYS ASP THR LYS PHE ARG ASP PHE PHE LEU PRO SEQRES 29 D 476 LYS GLY THR GLU VAL TYR PRO MET LEU GLY SER VAL LEU SEQRES 30 D 476 ARG ASP PRO SER PHE PHE SER ASN PRO GLN ASP PHE ASN SEQRES 31 D 476 PRO GLN HIS PHE LEU ASN GLU LYS GLY GLN PHE LYS LYS SEQRES 32 D 476 SER ASP ALA PHE VAL PRO PHE SER ILE GLY LYS ARG ASN SEQRES 33 D 476 CYS PHE GLY GLU GLY LEU ALA ARG MET GLU LEU PHE LEU SEQRES 34 D 476 PHE PHE THR THR VAL MET GLN ASN PHE ARG LEU LYS SER SEQRES 35 D 476 SER GLN SER PRO LYS ASP ILE ASP VAL SER PRO LYS HIS SEQRES 36 D 476 VAL GLY PHE ALA THR ILE PRO ARG ASN TYR THR MET SER SEQRES 37 D 476 PHE LEU PRO ARG HIS HIS HIS HIS HET HEM A 500 43 HET HEM B 500 43 HET HEM C 500 43 HET HEM D 500 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 5 HEM 4(C34 H32 FE N4 O4) FORMUL 9 HOH *309(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 CYS A 82 VAL A 92 1 11 HELIX 4 4 GLN A 104 LYS A 112 1 9 HELIX 5 5 ASN A 120 ASP A 137 1 18 HELIX 6 6 LYS A 142 GLY A 162 1 21 HELIX 7 7 PRO A 170 PHE A 187 1 18 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 ARG A 257 1 26 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 HELIX 20 20 ASN B 45 LEU B 49 5 5 HELIX 21 21 ASN B 50 GLU B 52 5 3 HELIX 22 22 GLN B 53 GLY B 66 1 14 HELIX 23 23 CYS B 82 VAL B 92 1 11 HELIX 24 24 GLN B 104 LYS B 112 1 9 HELIX 25 25 ASN B 120 ASP B 137 1 18 HELIX 26 26 LYS B 142 THR B 163 1 22 HELIX 27 27 PRO B 170 GLY B 188 1 19 HELIX 28 28 ASP B 195 THR B 212 1 18 HELIX 29 29 THR B 214 LYS B 228 1 15 HELIX 30 30 GLY B 232 THR B 258 1 27 HELIX 31 31 ASP B 266 GLU B 279 1 14 HELIX 32 32 TYR B 287 HIS B 320 1 34 HELIX 33 33 HIS B 320 GLY B 336 1 17 HELIX 34 34 LYS B 342 LYS B 348 5 7 HELIX 35 35 MET B 349 ASP B 364 1 16 HELIX 36 36 LEU B 395 ARG B 400 1 6 HELIX 37 37 ASN B 412 LEU B 417 5 6 HELIX 38 38 GLY B 441 ASN B 459 1 19 HELIX 39 39 SER B 467 ILE B 471 5 5 HELIX 40 40 ASN C 45 LEU C 49 5 5 HELIX 41 41 ASN C 50 GLU C 52 5 3 HELIX 42 42 GLN C 53 GLY C 66 1 14 HELIX 43 43 CYS C 82 VAL C 92 1 11 HELIX 44 44 GLN C 104 LYS C 112 1 9 HELIX 45 45 GLY C 115 SER C 119 5 5 HELIX 46 46 ASN C 120 PHE C 138 1 19 HELIX 47 47 LYS C 142 GLY C 162 1 21 HELIX 48 48 PRO C 170 GLY C 188 1 19 HELIX 49 49 ASP C 195 SER C 213 1 19 HELIX 50 50 THR C 214 LYS C 228 1 15 HELIX 51 51 GLY C 232 ARG C 257 1 26 HELIX 52 52 ASP C 266 GLU C 279 1 14 HELIX 53 53 TYR C 287 HIS C 320 1 34 HELIX 54 54 HIS C 320 ILE C 335 1 16 HELIX 55 55 LYS C 342 LYS C 348 5 7 HELIX 56 56 MET C 349 ASP C 364 1 16 HELIX 57 57 MET C 394 ARG C 400 1 7 HELIX 58 58 ASN C 412 LEU C 417 5 6 HELIX 59 59 GLY C 441 ASN C 459 1 19 HELIX 60 60 SER C 467 ILE C 471 5 5 HELIX 61 61 ASN D 45 LEU D 49 5 5 HELIX 62 62 GLN D 53 GLY D 66 1 14 HELIX 63 63 CYS D 82 VAL D 92 1 11 HELIX 64 64 GLN D 104 LYS D 112 1 9 HELIX 65 65 ASN D 120 PHE D 138 1 19 HELIX 66 66 LYS D 142 GLY D 162 1 21 HELIX 67 67 PRO D 170 GLY D 188 1 19 HELIX 68 68 ASP D 195 THR D 212 1 18 HELIX 69 69 THR D 214 LYS D 228 1 15 HELIX 70 70 GLY D 232 LEU D 259 1 28 HELIX 71 71 ASP D 266 GLU D 278 1 13 HELIX 72 72 TYR D 287 GLY D 302 1 16 HELIX 73 73 THR D 303 HIS D 320 1 18 HELIX 74 74 HIS D 320 ILE D 335 1 16 HELIX 75 75 LYS D 342 LYS D 348 5 7 HELIX 76 76 MET D 349 ASP D 364 1 16 HELIX 77 77 MET D 394 ARG D 400 1 7 HELIX 78 78 ASN D 412 LEU D 417 5 6 HELIX 79 79 GLY D 441 ASN D 459 1 19 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 ARG A 372 ARG A 373 -1 N ARG 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 LYS A 379 0 SHEET 2 B 2 PHE A 384 LEU A 385 -1 O LEU A 385 N THR A 378 SHEET 1 C 2 PHE A 460 SER A 464 0 SHEET 2 C 2 MET A 489 PRO A 493 -1 O SER A 490 N LYS A 463 SHEET 1 D 2 PRO A 475 VAL A 478 0 SHEET 2 D 2 THR A 482 PRO A 484 -1 O ILE A 483 N LYS A 476 SHEET 1 E 5 VAL B 68 LEU B 73 0 SHEET 2 E 5 ARG B 76 LEU B 81 -1 O VAL B 78 N ILE B 71 SHEET 3 E 5 GLU B 390 PRO B 393 1 O TYR B 392 N VAL B 79 SHEET 4 E 5 ARG B 372 ARG B 373 -1 N ARG B 372 O VAL B 391 SHEET 5 E 5 GLY B 100 ARG B 101 -1 N GLY B 100 O ARG B 373 SHEET 1 F 2 THR B 378 PHE B 380 0 SHEET 2 F 2 PHE B 383 LEU B 385 -1 O LEU B 385 N THR B 378 SHEET 1 G 2 PHE B 460 SER B 464 0 SHEET 2 G 2 MET B 489 PRO B 493 -1 O SER B 490 N LYS B 463 SHEET 1 H 2 HIS B 477 VAL B 478 0 SHEET 2 H 2 THR B 482 ILE B 483 -1 O ILE B 483 N HIS B 477 SHEET 1 I 5 VAL C 68 LEU C 73 0 SHEET 2 I 5 ARG C 76 LEU C 81 -1 O VAL C 78 N ILE C 71 SHEET 3 I 5 GLU C 390 PRO C 393 1 O TYR C 392 N VAL C 79 SHEET 4 I 5 ARG C 372 ARG C 373 -1 N ARG C 372 O VAL C 391 SHEET 5 I 5 GLY C 100 ARG C 101 -1 N GLY C 100 O ARG C 373 SHEET 1 J 2 THR C 378 PHE C 380 0 SHEET 2 J 2 PHE C 383 LEU C 385 -1 O LEU C 385 N THR C 378 SHEET 1 K 2 PHE C 460 SER C 464 0 SHEET 2 K 2 MET C 489 PRO C 493 -1 O LEU C 492 N ARG C 461 SHEET 1 L 2 PRO C 475 VAL C 478 0 SHEET 2 L 2 THR C 482 PRO C 484 -1 O ILE C 483 N LYS C 476 SHEET 1 M 5 VAL D 68 LEU D 73 0 SHEET 2 M 5 ARG D 76 LEU D 81 -1 O VAL D 78 N ILE D 71 SHEET 3 M 5 GLU D 390 PRO D 393 1 O GLU D 390 N VAL D 79 SHEET 4 M 5 ARG D 372 ARG D 373 -1 N ARG D 372 O VAL D 391 SHEET 5 M 5 GLY D 100 ARG D 101 -1 N GLY D 100 O ARG D 373 SHEET 1 N 2 THR D 378 PHE D 380 0 SHEET 2 N 2 PHE D 383 LEU D 385 -1 O LEU D 385 N THR D 378 SHEET 1 O 2 PHE D 460 SER D 464 0 SHEET 2 O 2 MET D 489 PRO D 493 -1 O LEU D 492 N ARG D 461 SHEET 1 P 2 PRO D 475 VAL D 478 0 SHEET 2 P 2 THR D 482 PRO D 484 -1 O ILE D 483 N HIS D 477 LINK SG CYS A 439 FE HEM A 500 1555 1555 2.30 LINK SG CYS B 439 FE HEM B 500 1555 1555 2.28 LINK SG CYS C 439 FE HEM C 500 1555 1555 2.27 LINK SG CYS D 439 FE HEM D 500 1555 1555 2.27 SITE 1 AC1 18 ARG A 101 VAL A 116 VAL A 117 ARG A 128 SITE 2 AC1 18 GLY A 302 THR A 305 THR A 309 GLN A 360 SITE 3 AC1 18 ARG A 372 PRO A 431 PHE A 432 SER A 433 SITE 4 AC1 18 ARG A 437 CYS A 439 PHE A 440 GLY A 441 SITE 5 AC1 18 HOH A 514 HOH A 516 SITE 1 AC2 18 ARG B 101 VAL B 117 ARG B 128 GLY B 301 SITE 2 AC2 18 GLY B 302 THR B 305 GLN B 360 ARG B 372 SITE 3 AC2 18 PRO B 431 PHE B 432 SER B 433 ARG B 437 SITE 4 AC2 18 ASN B 438 CYS B 439 PHE B 440 GLY B 441 SITE 5 AC2 18 HOH B 510 HOH B 511 SITE 1 AC3 18 ARG C 101 VAL C 117 ARG C 128 GLY C 301 SITE 2 AC3 18 GLY C 302 THR C 305 THR C 309 ARG C 372 SITE 3 AC3 18 PRO C 431 PHE C 432 SER C 433 ARG C 437 SITE 4 AC3 18 ASN C 438 CYS C 439 PHE C 440 GLY C 441 SITE 5 AC3 18 ALA C 445 HOH C 503 SITE 1 AC4 16 ARG D 101 VAL D 117 ARG D 128 GLY D 301 SITE 2 AC4 16 GLY D 302 THR D 305 THR D 309 ARG D 372 SITE 3 AC4 16 PRO D 431 PHE D 432 SER D 433 ARG D 437 SITE 4 AC4 16 ASN D 438 CYS D 439 PHE D 440 GLY D 441 CRYST1 70.700 158.245 103.764 90.00 92.09 90.00 P 1 21 1 8 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 0.014144 0.000000 0.000516 0.00000 SCALE2 0.000000 0.006319 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009644 0.00000