HEADER OXIDOREDUCTASE/OXIDOREDUCTASE INHIBITOR 09-FEB-11 3QOA TITLE CRYSTAL STRUCTURE OF A HUMAN CYTOCHROME P450 2B6 (Y226H/K262R) IN TITLE 2 COMPLEX WITH THE INHIBITOR 4-BENZYLPYRIDINE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 2B6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CYTOCHROME P450 2B6, RESIDUES 3-21 DELETED; COMPND 5 SYNONYM: CYPIIB6, CYTOCHROME P450 IIB1; COMPND 6 EC: 1.14.14.1; COMPND 7 ENGINEERED: YES; COMPND 8 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: CYP2B6; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PKK KEYWDS P450, CYTOCHROME P450 2B6, MONOOXYGENASE, MEMBRANE PROTEIN, CYP2B6, KEYWDS 2 ENDOPLASMIC RETICULUM, HEME, IRON, MEMBRANE, METAL BINDING, KEYWDS 3 MIRCOSOME, PHOSPHOPROTEIN, OXIDOREDUCTASE-OXIDOREDUCTASE INHIBITOR KEYWDS 4 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.B.SHAH,J.PASCUAL,C.D.STOUT,J.R.HALPERT REVDAT 3 13-SEP-23 3QOA 1 REMARK SEQADV REVDAT 2 07-DEC-11 3QOA 1 JRNL REVDAT 1 14-SEP-11 3QOA 0 JRNL AUTH M.B.SHAH,J.PASCUAL,Q.ZHANG,C.D.STOUT,J.R.HALPERT JRNL TITL STRUCTURES OF CYTOCHROME P450 2B6 BOUND TO 4-BENZYLPYRIDINE JRNL TITL 2 AND 4-(4-NITROBENZYL)PYRIDINE: INSIGHT INTO INHIBITOR JRNL TITL 3 BINDING AND REARRANGEMENT OF ACTIVE SITE SIDE CHAINS. JRNL REF MOL.PHARMACOL. V. 80 1047 2011 JRNL REFN ISSN 0026-895X JRNL PMID 21875942 JRNL DOI 10.1124/MOL.111.074427 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0102 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.34 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.9 REMARK 3 NUMBER OF REFLECTIONS : 35495 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) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1885 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2592 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.74 REMARK 3 BIN R VALUE (WORKING SET) : 0.2470 REMARK 3 BIN FREE R VALUE SET COUNT : 140 REMARK 3 BIN FREE R VALUE : 0.3320 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3711 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.44 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.44 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.85000 REMARK 3 B22 (A**2) : 0.85000 REMARK 3 B33 (A**2) : -1.28000 REMARK 3 B12 (A**2) : 0.43000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.186 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.120 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.522 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.942 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.922 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3888 ; 0.022 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5269 ; 1.870 ; 2.007 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 458 ; 6.439 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 182 ;34.959 ;22.747 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 642 ;16.372 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 31 ;19.319 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 560 ; 0.124 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2980 ; 0.010 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 2299 ; 1.086 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3722 ; 1.915 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1589 ; 3.158 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1547 ; 4.892 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3QOA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-FEB-11. REMARK 100 THE DEPOSITION ID IS D_1000063895. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 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 : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37630 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.340 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.7 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.12400 REMARK 200 R SYM (I) : 0.12400 REMARK 200 FOR THE DATA SET : 4.3000 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 (%) : 92.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : 0.41300 REMARK 200 FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: BALBES REMARK 200 STARTING MODEL: 3ME6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM ACETATE, 0.1 M HEPES, REMARK 280 25% PEG 3350, PH 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 134.22733 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 67.11367 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 67.11367 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 134.22733 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 1 REMARK 465 ALA A 2 REMARK 465 LYS A 22 REMARK 465 LYS A 23 REMARK 465 THR A 24 REMARK 465 SER A 25 REMARK 465 SER A 26 REMARK 465 LYS A 27 REMARK 465 PHE A 135 REMARK 465 GLY A 136 REMARK 465 MET A 137 REMARK 465 GLY A 138 REMARK 465 LYS A 139 REMARK 465 HIS A 493 REMARK 465 HIS A 494 REMARK 465 HIS A 495 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 LYS A 29 CG CD CE NZ REMARK 470 LYS A 161 CG CD CE NZ REMARK 470 LYS A 404 CG CD CE NZ REMARK 470 HIS A 492 CG ND1 CD2 CE1 NE2 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 LYS A 29 -149.55 -100.78 REMARK 500 LEU A 39 -51.54 73.37 REMARK 500 SER A 430 -156.66 75.83 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 CM5 A 604 REMARK 610 CM5 A 605 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 436 SG REMARK 620 2 HEM A 500 NA 100.1 REMARK 620 3 HEM A 500 NB 85.9 88.7 REMARK 620 4 HEM A 500 NC 84.7 174.9 89.6 REMARK 620 5 HEM A 500 ND 100.2 92.3 173.6 88.9 REMARK 620 6 3QO A 501 NAK 175.5 82.9 90.9 92.3 83.0 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 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CM5 A 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CM5 A 605 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3QO A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3IBD RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH 4-(4-CHLOROPHENYL)IMIDAZOLE REMARK 900 RELATED ID: 3QU8 RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH 4-(4-NITROBENZYL)PYRIDINE REMARK 999 REMARK 999 THE RESIDUES 3-21 (LSVLLFLALLTGLLLLLVQ) OF CORRESPONDING REMARK 999 DATABASE REFERENCE SEQUENCE (UNP P20813) IS DELETED IN THIS REMARK 999 STRUCTURE. DBREF 3QOA A 1 491 UNP P20813 CP2B6_HUMAN 1 491 SEQADV 3QOA ALA A 2 UNP P20813 GLU 2 ENGINEERED MUTATION SEQADV 3QOA LYS A 22 UNP P20813 ARG 22 ENGINEERED MUTATION SEQADV 3QOA LYS A 23 UNP P20813 HIS 23 ENGINEERED MUTATION SEQADV 3QOA THR A 24 UNP P20813 PRO 24 ENGINEERED MUTATION SEQADV 3QOA SER A 25 UNP P20813 ASN 25 ENGINEERED MUTATION SEQADV 3QOA SER A 26 UNP P20813 THR 26 ENGINEERED MUTATION SEQADV 3QOA LYS A 27 UNP P20813 HIS 27 ENGINEERED MUTATION SEQADV 3QOA GLY A 28 UNP P20813 ASP 28 ENGINEERED MUTATION SEQADV 3QOA LYS A 29 UNP P20813 ARG 29 ENGINEERED MUTATION SEQADV 3QOA HIS A 226 UNP P20813 TYR 226 ENGINEERED MUTATION SEQADV 3QOA ARG A 262 UNP P20813 LYS 262 ENGINEERED MUTATION SEQADV 3QOA HIS A 492 UNP P20813 EXPRESSION TAG SEQADV 3QOA HIS A 493 UNP P20813 EXPRESSION TAG SEQADV 3QOA HIS A 494 UNP P20813 EXPRESSION TAG SEQADV 3QOA HIS A 495 UNP P20813 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 ARG PRO LEU PRO LEU LEU GLY ASN LEU LEU GLN SEQRES 3 A 476 MET ASP ARG ARG GLY LEU LEU LYS SER PHE LEU ARG PHE SEQRES 4 A 476 ARG GLU LYS TYR GLY ASP VAL PHE THR VAL HIS LEU GLY SEQRES 5 A 476 PRO ARG PRO VAL VAL MET LEU CYS GLY VAL GLU ALA ILE SEQRES 6 A 476 ARG GLU ALA LEU VAL ASP LYS ALA GLU ALA PHE SER GLY SEQRES 7 A 476 ARG GLY LYS ILE ALA MET VAL ASP PRO PHE PHE ARG GLY SEQRES 8 A 476 TYR GLY VAL ILE PHE ALA ASN GLY ASN ARG TRP LYS VAL SEQRES 9 A 476 LEU ARG ARG PHE SER VAL THR THR MET ARG ASP PHE GLY SEQRES 10 A 476 MET GLY LYS ARG SER VAL GLU GLU ARG ILE GLN GLU GLU SEQRES 11 A 476 ALA GLN CYS LEU ILE GLU GLU LEU ARG LYS SER LYS GLY SEQRES 12 A 476 ALA LEU MET ASP PRO THR PHE LEU PHE GLN SER ILE THR SEQRES 13 A 476 ALA ASN ILE ILE CYS SER ILE VAL PHE GLY LYS ARG PHE SEQRES 14 A 476 HIS TYR GLN ASP GLN GLU PHE LEU LYS MET LEU ASN LEU SEQRES 15 A 476 PHE TYR GLN THR PHE SER LEU ILE SER SER VAL PHE GLY SEQRES 16 A 476 GLN LEU PHE GLU LEU PHE SER GLY PHE LEU LYS HIS PHE SEQRES 17 A 476 PRO GLY ALA HIS ARG GLN VAL TYR LYS ASN LEU GLN GLU SEQRES 18 A 476 ILE ASN ALA TYR ILE GLY HIS SER VAL GLU LYS HIS ARG SEQRES 19 A 476 GLU THR LEU ASP PRO SER ALA PRO ARG ASP LEU ILE ASP SEQRES 20 A 476 THR TYR LEU LEU HIS MET GLU LYS GLU LYS SER ASN ALA SEQRES 21 A 476 HIS SER GLU PHE SER HIS GLN ASN LEU ASN LEU ASN THR SEQRES 22 A 476 LEU SER LEU PHE PHE ALA GLY THR GLU THR THR SER THR SEQRES 23 A 476 THR LEU ARG TYR GLY PHE LEU LEU MET LEU LYS TYR PRO SEQRES 24 A 476 HIS VAL ALA GLU ARG VAL TYR ARG GLU ILE GLU GLN VAL SEQRES 25 A 476 ILE GLY PRO HIS ARG PRO PRO GLU LEU HIS ASP ARG ALA SEQRES 26 A 476 LYS MET PRO TYR THR GLU ALA VAL ILE TYR GLU ILE GLN SEQRES 27 A 476 ARG PHE SER ASP LEU LEU PRO MET GLY VAL PRO HIS ILE SEQRES 28 A 476 VAL THR GLN HIS THR SER PHE ARG GLY TYR ILE ILE PRO SEQRES 29 A 476 LYS ASP THR GLU VAL PHE LEU ILE LEU SER THR ALA LEU SEQRES 30 A 476 HIS ASP PRO HIS TYR PHE GLU LYS PRO ASP ALA PHE ASN SEQRES 31 A 476 PRO ASP HIS PHE LEU ASP ALA ASN GLY ALA LEU LYS LYS SEQRES 32 A 476 THR GLU ALA PHE ILE PRO PHE SER LEU GLY LYS ARG ILE SEQRES 33 A 476 CYS LEU GLY GLU GLY ILE ALA ARG ALA GLU LEU PHE LEU SEQRES 34 A 476 PHE PHE THR THR ILE LEU GLN ASN PHE SER MET ALA SER SEQRES 35 A 476 PRO VAL ALA PRO GLU ASP ILE ASP LEU THR PRO GLN GLU SEQRES 36 A 476 CYS GLY VAL GLY LYS ILE PRO PRO THR TYR GLN ILE ARG SEQRES 37 A 476 PHE LEU PRO ARG HIS HIS HIS HIS HET HEM A 500 43 HET CM5 A 604 12 HET CM5 A 605 6 HET 3QO A 501 13 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CM5 5-CYCLOHEXYL-1-PENTYL-BETA-D-MALTOSIDE HETNAM 3QO 4-BENZYLPYRIDINE HETSYN HEM HEME HETSYN CM5 5-CYCLOHEXYLPENTYL 4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-D- HETSYN 2 CM5 GLUCOPYRANOSIDE; CYMAL-5 FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CM5 2(C23 H42 O11) FORMUL 5 3QO C12 H11 N FORMUL 6 HOH *250(H2 O) HELIX 1 1 ASN A 42 MET A 46 5 5 HELIX 2 2 GLY A 50 GLY A 63 1 14 HELIX 3 3 GLY A 80 VAL A 89 1 10 HELIX 4 4 LYS A 91 SER A 96 1 6 HELIX 5 5 VAL A 104 ARG A 109 1 6 HELIX 6 6 TYR A 111 ALA A 116 1 6 HELIX 7 7 ASN A 117 MET A 132 1 16 HELIX 8 8 SER A 141 SER A 160 1 20 HELIX 9 9 PRO A 167 PHE A 184 1 18 HELIX 10 10 ASP A 192 SER A 211 1 20 HELIX 11 11 SER A 211 LYS A 225 1 15 HELIX 12 12 GLY A 229 LEU A 256 1 28 HELIX 13 13 ASP A 263 GLU A 275 1 13 HELIX 14 14 SER A 284 THR A 302 1 19 HELIX 15 15 THR A 302 TYR A 317 1 16 HELIX 16 16 TYR A 317 ILE A 332 1 16 HELIX 17 17 GLU A 339 LYS A 345 5 7 HELIX 18 18 MET A 346 ASP A 361 1 16 HELIX 19 19 ILE A 391 HIS A 397 1 7 HELIX 20 20 ASN A 409 LEU A 414 5 6 HELIX 21 21 LEU A 431 ILE A 435 5 5 HELIX 22 22 GLY A 438 ASN A 456 1 19 HELIX 23 23 ALA A 464 ILE A 468 5 5 SHEET 1 A 5 VAL A 65 LEU A 70 0 SHEET 2 A 5 ARG A 73 LEU A 78 -1 O MET A 77 N PHE A 66 SHEET 3 A 5 GLU A 387 LEU A 390 1 O PHE A 389 N VAL A 76 SHEET 4 A 5 HIS A 369 ILE A 370 -1 N HIS A 369 O VAL A 388 SHEET 5 A 5 GLY A 97 ARG A 98 -1 N GLY A 97 O ILE A 370 SHEET 1 B 2 THR A 375 PHE A 377 0 SHEET 2 B 2 TYR A 380 ILE A 382 -1 O ILE A 382 N THR A 375 SHEET 1 C 2 PHE A 457 ALA A 460 0 SHEET 2 C 2 ARG A 487 PRO A 490 -1 O LEU A 489 N SER A 458 SHEET 1 D 2 GLU A 474 CYS A 475 0 SHEET 2 D 2 LYS A 479 ILE A 480 -1 O ILE A 480 N GLU A 474 LINK SG CYS A 436 FE HEM A 500 1555 1555 2.31 LINK FE HEM A 500 NAK 3QO A 501 1555 1555 2.36 SITE 1 AC1 21 ARG A 98 VAL A 113 TRP A 121 ARG A 125 SITE 2 AC1 21 ALA A 298 THR A 302 THR A 306 LEU A 362 SITE 3 AC1 21 LEU A 363 VAL A 367 HIS A 369 PRO A 428 SITE 4 AC1 21 PHE A 429 SER A 430 ARG A 434 CYS A 436 SITE 5 AC1 21 LEU A 437 GLY A 438 ALA A 442 3QO A 501 SITE 6 AC1 21 HOH A 590 SITE 1 AC2 2 PHE A 220 PHE A 223 SITE 1 AC3 2 ASP A 47 ARG A 48 SITE 1 AC4 3 ALA A 298 THR A 302 HEM A 500 CRYST1 76.760 76.760 201.341 90.00 90.00 120.00 P 32 2 1 6 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 0.013028 0.007522 0.000000 0.00000 SCALE2 0.000000 0.015043 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004967 0.00000