HEADER OXIDOREDUCTASE 30-NOV-09 3KW4
TITLE CRYSTAL STRUCTURE OF CYTOCHROME 2B4 IN COMPLEX WITH THE ANTI-PLATELET
TITLE 2 DRUG TICLOPIDINE
COMPND MOL_ID: 1;
COMPND 2 MOLECULE: CYTOCHROME P450 2B4;
COMPND 3 CHAIN: A;
COMPND 4 SYNONYM: CYPIIB4, P450-LM2, ISOZYME 2, P450 TYPES B0 AND B1;
COMPND 5 EC: 1.14.14.1;
COMPND 6 ENGINEERED: YES;
COMPND 7 MUTATION: YES
SOURCE MOL_ID: 1;
SOURCE 2 ORGANISM_SCIENTIFIC: ORYCTOLAGUS CUNICULUS;
SOURCE 3 ORGANISM_COMMON: RABBIT;
SOURCE 4 ORGANISM_TAXID: 9986;
SOURCE 5 GENE: CYP2B4;
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: PKK
KEYWDS P450, CYTOCHROME P450 2B4, MONOOXYGENASE, OXIDOREDUCTASE, MEMBRANE
KEYWDS 2 PROTEIN, CYP 2B4, CYP LM2, ENDOPLASMIC RETICULUM, HEME, IRON,
KEYWDS 3 MEMBRANE, METAL-BINDING, MICROSOME
EXPDTA X-RAY DIFFRACTION
AUTHOR S.C.GAY,K.MAEKAWA,A.G.ROBERTS,W.-X.HONG,Q.ZHANG,C.D.STOUT,J.R.HALPERT
REVDAT 5 06-SEP-23 3KW4 1 REMARK
REVDAT 4 13-OCT-21 3KW4 1 REMARK SEQADV
REVDAT 3 31-AUG-11 3KW4 1 HETATM VERSN
REVDAT 2 16-FEB-11 3KW4 1 JRNL
REVDAT 1 15-SEP-10 3KW4 0
JRNL AUTH S.C.GAY,A.G.ROBERTS,K.MAEKAWA,J.C.TALAKAD,W.X.HONG,Q.ZHANG,
JRNL AUTH 2 C.D.STOUT,J.R.HALPERT
JRNL TITL STRUCTURES OF CYTOCHROME P450 2B4 COMPLEXED WITH THE
JRNL TITL 2 ANTIPLATELET DRUGS TICLOPIDINE AND CLOPIDOGREL.
JRNL REF BIOCHEMISTRY V. 49 8709 2010
JRNL REFN ISSN 0006-2960
JRNL PMID 20815363
JRNL DOI 10.1021/BI100914Z
REMARK 1
REMARK 1 REFERENCE 1
REMARK 1 AUTH Y.ZHAO,M.A.WHITE,B.K.MURALIDHARA,L.SUN,J.R.HALPERT,C.D.STOUT
REMARK 1 TITL STRUCTURE OF MICROSOMAL CYTOCHROME P450 2B4 COMPLEXED WITH
REMARK 1 TITL 2 THE ANTIFUNGAL DRUG BIFONAZOLE: INSIGHT INTO P450
REMARK 1 TITL 3 CONFORMATIONAL PLASTICITY AND MEMBRANE INTERACTION.
REMARK 1 REF J.BIOL.CHEM. V. 281 5973 2006
REMARK 1 REFN ISSN 0021-9258
REMARK 1 PMID 16373351
REMARK 1 DOI 10.1074/JBC.M511464200
REMARK 1 REFERENCE 2
REMARK 1 AUTH E.E.SCOTT,M.A.WHITE,Y.A.HE,E.F.JOHNSON,C.D.STOUT,J.R.HALPERT
REMARK 1 TITL STRUCTURE OF MAMMALIAN CYTOCHROME P450 2B4 COMPLEXED WITH
REMARK 1 TITL 2 4-(4-CHLOROPHENYL)IMIDAZOLE AT 1.9 {ANGSTROM} RESOLUTION:
REMARK 1 TITL 3 INSIGHT INTO THE RANGE OF P450 CONFORMATIONS AND
REMARK 1 TITL 4 COORDINATION OF REDOX PARTNER BINDING.
REMARK 1 REF J.BIOL.CHEM. V. 279 27294 2004
REMARK 1 REFN ISSN 0021-9258
REMARK 1 PMID 15100217
REMARK 1 DOI 10.1074/JBC.M403349200
REMARK 1 REFERENCE 3
REMARK 1 AUTH E.E.SCOTT,Y.A.HE,M.R.WESTER,M.A.WHITE,C.C.CHIN,J.R.HALPERT,
REMARK 1 AUTH 2 E.F.JOHNSON,C.D.STOUT
REMARK 1 TITL AN OPEN CONFORMATION OF MAMMALIAN CYTOCHROME P450 2B4 AT 1.6
REMARK 1 TITL 2 A RESOLUTION.
REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 100 13196 2003
REMARK 1 REFN ISSN 0027-8424
REMARK 1 PMID 14563924
REMARK 1 DOI 10.1073/PNAS.2133986100
REMARK 1 REFERENCE 4
REMARK 1 AUTH Y.ZHAO,L.SUN,B.K.MURALIDHARA,M.A.WHITE,C.D.STOUT,J.R.HALPERT
REMARK 1 TITL STRUCTURAL AND THERMODYNAMIC CONSEQUENCES OF
REMARK 1 TITL 2 1-(4-CHLOROPHENYL)IMIDAZOLE BINDING TO CYTOCHROME P450 2B4.
REMARK 1 REF BIOCHEMISTRY V. 46 11559 2007
REMARK 1 REFN ISSN 0006-2960
REMARK 1 PMID 17887776
REMARK 1 DOI 10.1021/BI7011614
REMARK 1 REFERENCE 5
REMARK 1 AUTH S.C.GAY,L.SUN,K.MAEKAWA,J.R.HALPERT,C.D.STOUT
REMARK 1 TITL CRYSTAL STRUCTURES OF CYTOCHROME P450 2B4 IN COMPLEX WITH
REMARK 1 TITL 2 THE INHIBITOR 1-BIPHENYL-4-METHYL-1H-IMIDAZOLE:
REMARK 1 TITL 3 LIGAND-INDUCED STRUCTURAL RESPONSE THROUGH ALPHA-HELICAL
REMARK 1 TITL 4 REPOSITIONING
REMARK 1 REF BIOCHEMISTRY V. 48 4762 2009
REMARK 1 REFN ISSN 0006-2960
REMARK 1 PMID 19397311
REMARK 1 DOI 10.1021/BI9003765
REMARK 2
REMARK 2 RESOLUTION. 2.67 ANGSTROMS.
REMARK 3
REMARK 3 REFINEMENT.
REMARK 3 PROGRAM : REFMAC
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) : 2.67
REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 68.54
REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL
REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6
REMARK 3 NUMBER OF REFLECTIONS : 19135
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) : 0.198
REMARK 3 R VALUE (WORKING SET) : 0.195
REMARK 3 FREE R VALUE : 0.253
REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100
REMARK 3 FREE R VALUE TEST SET COUNT : 1028
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) : 2.67
REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.74
REMARK 3 REFLECTION IN BIN (WORKING SET) : 1387
REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.52
REMARK 3 BIN R VALUE (WORKING SET) : 0.3730
REMARK 3 BIN FREE R VALUE SET COUNT : 74
REMARK 3 BIN FREE R VALUE : 0.3990
REMARK 3
REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.
REMARK 3 PROTEIN ATOMS : 3693
REMARK 3 NUCLEIC ACID ATOMS : 0
REMARK 3 HETEROGEN ATOMS : 208
REMARK 3 SOLVENT ATOMS : 31
REMARK 3
REMARK 3 B VALUES.
REMARK 3 FROM WILSON PLOT (A**2) : NULL
REMARK 3 MEAN B VALUE (OVERALL, A**2) : 67.30
REMARK 3 OVERALL ANISOTROPIC B VALUE.
REMARK 3 B11 (A**2) : -5.73500
REMARK 3 B22 (A**2) : -5.73500
REMARK 3 B33 (A**2) : 11.47000
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): 0.626
REMARK 3 ESU BASED ON FREE R VALUE (A): 0.330
REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.253
REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 12.152
REMARK 3
REMARK 3 CORRELATION COEFFICIENTS.
REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.944
REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.916
REMARK 3
REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT
REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3993 ; 0.010 ; 0.022
REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL
REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5438 ; 1.406 ; 2.049
REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL
REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 465 ; 5.844 ; 5.000
REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 174 ;33.840 ;22.644
REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 627 ;18.074 ;15.000
REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 33 ;22.894 ;15.000
REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 622 ; 0.084 ; 0.200
REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2983 ; 0.011 ; 0.022
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): 2326 ; 0.897 ; 1.500
REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL
REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3767 ; 1.736 ; 2.000
REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL
REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1667 ; 2.554 ; 3.000
REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL
REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1671 ; 4.317 ; 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 3KW4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11
REMARK 100
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-10.
REMARK 100 THE DEPOSITION ID IS D_1000056520.
REMARK 200
REMARK 200 EXPERIMENTAL DETAILS
REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION
REMARK 200 DATE OF DATA COLLECTION : 08-AUG-09
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 : 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 : MOSFLM
REMARK 200 DATA SCALING SOFTWARE : SCALA 3.2.25
REMARK 200
REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20223
REMARK 200 RESOLUTION RANGE HIGH (A) : 2.670
REMARK 200 RESOLUTION RANGE LOW (A) : 80.973
REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000
REMARK 200
REMARK 200 OVERALL.
REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8
REMARK 200 DATA REDUNDANCY : 7.200
REMARK 200 R MERGE (I) : 0.10100
REMARK 200 R SYM (I) : 0.10100
REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 4.9000
REMARK 200
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.
REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.67
REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.81
REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0
REMARK 200 DATA REDUNDANCY IN SHELL : 7.20
REMARK 200 R MERGE FOR SHELL (I) : 0.41600
REMARK 200 R SYM FOR SHELL (I) : 0.41600
REMARK 200 <I/SIGMA(I)> 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: PHASER 1.3.3
REMARK 200 STARTING MODEL: PDB ENTRY 1SUO
REMARK 200
REMARK 200 REMARK: NULL
REMARK 280
REMARK 280 CRYSTAL
REMARK 280 SOLVENT CONTENT, VS (%): 61.48
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.19
REMARK 280
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V) PEG 8000, 0.2 M MGCL2 AND
REMARK 280 0.1 M TRIS, 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 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 91.38000
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 45.69000
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 45.69000
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 91.38000
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 20
REMARK 465 ALA A 21
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 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 27 CG CD CE NZ
REMARK 470 ARG A 48 CG CD NE CZ NH1 NH2
REMARK 470 GLU A 119 CG CD OE1 OE2
REMARK 470 MET A 137 CG SD CE
REMARK 470 ASP A 275 CG OD1 OD2
REMARK 470 LYS A 276 CG CD CE NZ
REMARK 470 GLN A 330 CG CD OE1 NE2
REMARK 470 HIS A 335 CG ND1 CD2 CE1 NE2
REMARK 470 ARG A 422 CG CD NE CZ NH1 NH2
REMARK 470 ARG A 473 CG CD NE CZ NH1 NH2
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 29 166.66 89.20
REMARK 500 VAL A 39 -65.01 78.85
REMARK 500 ALA A 92 -49.42 -26.18
REMARK 500 GLN A 109 19.89 51.33
REMARK 500 LEU A 129 -76.26 -66.19
REMARK 500 ALA A 130 -58.06 -22.78
REMARK 500 ASP A 134 -62.75 -154.22
REMARK 500 PHE A 135 -35.32 71.94
REMARK 500 LYS A 161 40.72 34.75
REMARK 500 ASP A 192 109.49 -57.61
REMARK 500 PRO A 258 2.12 -56.21
REMARK 500 PRO A 279 29.51 -69.44
REMARK 500 THR A 300 -55.61 -123.32
REMARK 500 HIS A 335 -89.32 -65.99
REMARK 500 ARG A 378 38.01 37.68
REMARK 500 ASN A 409 87.63 -173.22
REMARK 500 SER A 430 -164.50 70.19
REMARK 500 VAL A 477 -5.48 -56.55
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 CH0 A 603
REMARK 615
REMARK 615 ZERO OCCUPANCY ATOM
REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO
REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS
REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;
REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):
REMARK 615 M RES C SSEQI
REMARK 615 CH0 A 603
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 103.8
REMARK 620 3 HEM A 500 NB 85.7 96.2
REMARK 620 4 HEM A 500 NC 82.3 173.9 84.1
REMARK 620 5 HEM A 500 ND 99.4 84.0 174.6 95.1
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 TIC A 600
REMARK 800
REMARK 800 SITE_IDENTIFIER: AC3
REMARK 800 EVIDENCE_CODE: SOFTWARE
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CM5 A 601
REMARK 800
REMARK 800 SITE_IDENTIFIER: AC4
REMARK 800 EVIDENCE_CODE: SOFTWARE
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CM5 A 602
REMARK 800
REMARK 800 SITE_IDENTIFIER: AC5
REMARK 800 EVIDENCE_CODE: SOFTWARE
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CH0 A 603
REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 RELATED ID: 1PO5 RELATED DB: PDB
REMARK 900 LIGAND FREE STRUCTURE OF 2B4
REMARK 900 RELATED ID: 1SUO RELATED DB: PDB
REMARK 900 2B4 IN COMPLEX WITH 4-(4-CHLOROPHENYL)IMIDAZOLE
REMARK 900 RELATED ID: 2BDM RELATED DB: PDB
REMARK 900 2B4 IN COMPLEX WITH BIFONAZOLE
REMARK 900 RELATED ID: 2Q6N RELATED DB: PDB
REMARK 900 2B4 IN COMPLEX WITH 4-(4-CHLOROPHENYL)IMIDAZOLE
REMARK 900 RELATED ID: 3G93 RELATED DB: PDB
REMARK 900 SINGLE LIGAND OCCUPANCY STRUCTURE OF 2B4 IN COMPLEX WITH 1-BIPHENYL-
REMARK 900 4-METHYL-1H-IMIDAZOLE
REMARK 900 RELATED ID: 3G5N RELATED DB: PDB
REMARK 900 TRIPLE LIGAND OCCUPANCY STRUCTURE OF 2B4 IN COMPLEX WITH 1-BIPHENYL-
REMARK 900 4-METHYL-1H-IMIDAZOLE
REMARK 999
REMARK 999 SEQUENCE
REMARK 999 AUTHORS INDICATE THAT THERE IS AN ERROR IN THE SEQUENCE DATABASE
REMARK 999 REFERENCE AT RESIDUE 221
DBREF 3KW4 A 20 491 UNP P00178 CP2B4_RABIT 1 491
SEQADV 3KW4 ALA A 21 UNP P00178 GLU 2 ENGINEERED MUTATION
SEQADV 3KW4 A UNP P00178 PHE 3 DELETION
SEQADV 3KW4 A UNP P00178 SER 4 DELETION
SEQADV 3KW4 A UNP P00178 LEU 5 DELETION
SEQADV 3KW4 A UNP P00178 LEU 6 DELETION
SEQADV 3KW4 A UNP P00178 LEU 7 DELETION
SEQADV 3KW4 A UNP P00178 LEU 8 DELETION
SEQADV 3KW4 A UNP P00178 LEU 9 DELETION
SEQADV 3KW4 A UNP P00178 ALA 10 DELETION
SEQADV 3KW4 A UNP P00178 PHE 11 DELETION
SEQADV 3KW4 A UNP P00178 LEU 12 DELETION
SEQADV 3KW4 A UNP P00178 ALA 13 DELETION
SEQADV 3KW4 A UNP P00178 GLY 14 DELETION
SEQADV 3KW4 A UNP P00178 LEU 15 DELETION
SEQADV 3KW4 A UNP P00178 LEU 16 DELETION
SEQADV 3KW4 A UNP P00178 LEU 17 DELETION
SEQADV 3KW4 A UNP P00178 LEU 18 DELETION
SEQADV 3KW4 A UNP P00178 LEU 19 DELETION
SEQADV 3KW4 A UNP P00178 PHE 20 DELETION
SEQADV 3KW4 A UNP P00178 ARG 21 DELETION
SEQADV 3KW4 LYS A 22 UNP P00178 GLY 22 ENGINEERED MUTATION
SEQADV 3KW4 LYS A 23 UNP P00178 HIS 23 ENGINEERED MUTATION
SEQADV 3KW4 THR A 24 UNP P00178 PRO 24 ENGINEERED MUTATION
SEQADV 3KW4 SER A 25 UNP P00178 LYS 25 ENGINEERED MUTATION
SEQADV 3KW4 SER A 26 UNP P00178 ALA 26 ENGINEERED MUTATION
SEQADV 3KW4 LYS A 27 UNP P00178 HIS 27 ENGINEERED MUTATION
SEQADV 3KW4 LYS A 29 UNP P00178 ARG 29 ENGINEERED MUTATION
SEQADV 3KW4 SER A 221 UNP P00178 PRO 221 SEE REMARK 999
SEQADV 3KW4 TYR A 226 UNP P00178 HIS 226 ENGINEERED MUTATION
SEQADV 3KW4 HIS A 492 UNP P00178 EXPRESSION TAG
SEQADV 3KW4 HIS A 493 UNP P00178 EXPRESSION TAG
SEQADV 3KW4 HIS A 494 UNP P00178 EXPRESSION TAG
SEQADV 3KW4 HIS A 495 UNP P00178 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 SER PRO LEU PRO VAL LEU GLY ASN LEU LEU GLN
SEQRES 3 A 476 MET ASP ARG LYS GLY LEU LEU ARG SER PHE LEU ARG LEU
SEQRES 4 A 476 ARG GLU LYS TYR GLY ASP VAL PHE THR VAL TYR LEU GLY
SEQRES 5 A 476 SER ARG PRO VAL VAL VAL LEU CYS GLY THR ASP ALA ILE
SEQRES 6 A 476 ARG GLU ALA LEU VAL ASP GLN ALA GLU ALA PHE SER GLY
SEQRES 7 A 476 ARG GLY LYS ILE ALA VAL VAL ASP PRO ILE PHE GLN GLY
SEQRES 8 A 476 TYR GLY VAL ILE PHE ALA ASN GLY GLU ARG TRP ARG ALA
SEQRES 9 A 476 LEU ARG ARG PHE SER LEU ALA 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 ARG CYS LEU VAL GLU GLU LEU ARG LYS SER LYS GLY
SEQRES 12 A 476 ALA LEU LEU ASP ASN THR LEU LEU PHE HIS SER ILE THR
SEQRES 13 A 476 SER ASN ILE ILE CYS SER ILE VAL PHE GLY LYS ARG PHE
SEQRES 14 A 476 ASP TYR LYS ASP PRO VAL PHE LEU ARG LEU LEU ASP LEU
SEQRES 15 A 476 PHE PHE GLN SER PHE SER LEU ILE SER SER PHE SER SER
SEQRES 16 A 476 GLN VAL PHE GLU LEU PHE SER GLY PHE LEU LYS TYR PHE
SEQRES 17 A 476 PRO GLY THR HIS ARG GLN ILE TYR ARG ASN LEU GLN GLU
SEQRES 18 A 476 ILE ASN THR PHE ILE GLY GLN SER VAL GLU LYS HIS ARG
SEQRES 19 A 476 ALA THR LEU ASP PRO SER ASN PRO ARG ASP PHE ILE ASP
SEQRES 20 A 476 VAL TYR LEU LEU ARG MET GLU LYS ASP LYS SER ASP PRO
SEQRES 21 A 476 SER SER GLU PHE HIS HIS GLN ASN LEU ILE LEU THR VAL
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 THR GLU ARG VAL GLN LYS GLU ILE GLU GLN VAL
SEQRES 25 A 476 ILE GLY SER HIS ARG PRO PRO ALA LEU ASP ASP ARG ALA
SEQRES 26 A 476 LYS MET PRO TYR THR ASP ALA VAL ILE HIS GLU ILE GLN
SEQRES 27 A 476 ARG LEU GLY ASP LEU ILE PRO PHE GLY VAL PRO HIS THR
SEQRES 28 A 476 VAL THR LYS ASP THR GLN PHE ARG GLY TYR VAL ILE PRO
SEQRES 29 A 476 LYS ASN THR GLU VAL PHE PRO VAL LEU SER SER ALA LEU
SEQRES 30 A 476 HIS ASP PRO ARG TYR PHE GLU THR PRO ASN THR PHE ASN
SEQRES 31 A 476 PRO GLY HIS PHE LEU ASP ALA ASN GLY ALA LEU LYS ARG
SEQRES 32 A 476 ASN GLU GLY PHE MET PRO PHE SER LEU GLY LYS ARG ILE
SEQRES 33 A 476 CYS LEU GLY GLU GLY ILE ALA ARG THR GLU LEU PHE LEU
SEQRES 34 A 476 PHE PHE THR THR ILE LEU GLN ASN PHE SER ILE ALA SER
SEQRES 35 A 476 PRO VAL PRO PRO GLU ASP ILE ASP LEU THR PRO ARG GLU
SEQRES 36 A 476 SER GLY VAL GLY ASN VAL PRO PRO SER TYR GLN ILE ARG
SEQRES 37 A 476 PHE LEU ALA ARG HIS HIS HIS HIS
HET HEM A 500 43
HET TIC A 600 34
HET CM5 A 601 34
HET CM5 A 602 34
HET CH0 A 603 80
HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE
HETNAM TIC TICLOPIDINE
HETNAM CM5 5-CYCLOHEXYL-1-PENTYL-BETA-D-MALTOSIDE
HETNAM CH0 2-{[(3ALPHA,5ALPHA,7ALPHA,8ALPHA,10ALPHA,12ALPHA,
HETNAM 2 CH0 17ALPHA)-3,12-BIS{2-[(4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-
HETNAM 3 CH0 D-GLUCOPYRANOSYL)OXY]ETHOXY}CHOLAN-7-YL]OXY}ETHYL 4-O-
HETNAM 4 CH0 ALPHA-D-GLUCOPYRANOSYL-BETA-D-GLUCOPYRANOSIDE
HETSYN HEM HEME
HETSYN TIC 5-(2-CHLOROBENZYL)-4,5,6,7-TETRAHYDROTHIENO[3,2-
HETSYN 2 TIC C]PYRIDINE
HETSYN CM5 5-CYCLOHEXYLPENTYL 4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-D-
HETSYN 2 CM5 GLUCOPYRANOSIDE; CYMAL-5
HETSYN CH0 3,7,12-TRIS[(-D-MALTOPYRANOSYL)ETHYLOXY]CHOLANE
FORMUL 2 HEM C34 H32 FE N4 O4
FORMUL 3 TIC C14 H14 CL N S
FORMUL 4 CM5 2(C23 H42 O11)
FORMUL 6 CH0 C66 H114 O36
FORMUL 7 HOH *31(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 ILE A 101 VAL A 103 5 3
HELIX 5 5 VAL A 104 GLN A 109 1 6
HELIX 6 6 TYR A 111 ALA A 116 1 6
HELIX 7 7 ASN A 117 ASP A 134 1 18
HELIX 8 8 SER A 141 SER A 160 1 20
HELIX 9 9 ASN A 167 PHE A 184 1 18
HELIX 10 10 ASP A 192 SER A 210 1 19
HELIX 11 11 SER A 211 LYS A 225 1 15
HELIX 12 12 GLY A 229 THR A 255 1 27
HELIX 13 13 ASP A 263 ASP A 275 1 13
HELIX 14 14 LYS A 276 ASP A 278 5 3
HELIX 15 15 HIS A 284 THR A 300 1 17
HELIX 16 16 THR A 300 TYR A 317 1 18
HELIX 17 17 TYR A 317 ILE A 332 1 16
HELIX 18 18 ALA A 339 LYS A 345 5 7
HELIX 19 19 MET A 346 ASP A 361 1 16
HELIX 20 20 VAL A 391 HIS A 397 1 7
HELIX 21 21 ASN A 409 LEU A 414 5 6
HELIX 22 22 GLY A 438 PHE A 457 1 20
HELIX 23 23 PRO 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 VAL A 77 N PHE A 66
SHEET 3 A 5 GLU A 387 PRO A 390 1 O GLU A 387 N VAL A 76
SHEET 4 A 5 HIS A 369 THR 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 THR 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 TYR A 380 N PHE A 377
SHEET 1 C 2 SER A 458 ALA A 460 0
SHEET 2 C 2 ARG A 487 LEU A 489 -1 O ARG A 487 N ALA A 460
SHEET 1 D 2 GLU A 474 SER A 475 0
SHEET 2 D 2 ASN A 479 VAL A 480 -1 O VAL A 480 N GLU A 474
LINK SG CYS A 436 FE HEM A 500 1555 1555 2.40
SITE 1 AC1 19 ARG A 98 ILE A 114 TRP A 121 ARG A 125
SITE 2 AC1 19 ALA A 298 GLY A 299 THR A 302 THR A 303
SITE 3 AC1 19 THR A 306 ILE A 363 HIS A 369 PRO A 428
SITE 4 AC1 19 PHE A 429 SER A 430 ARG A 434 CYS A 436
SITE 5 AC1 19 LEU A 437 GLY A 438 TIC A 600
SITE 1 AC2 11 ILE A 114 PHE A 206 ILE A 209 SER A 210
SITE 2 AC2 11 PHE A 297 ALA A 298 GLU A 301 THR A 302
SITE 3 AC2 11 VAL A 367 GLY A 478 HEM A 500
SITE 1 AC3 7 LEU A 43 MET A 46 ASP A 47 LEU A 219
SITE 2 AC3 7 TYR A 226 PHE A 227 HOH A1028
SITE 1 AC4 9 LYS A 186 PHE A 188 PHE A 195 LEU A 198
SITE 2 AC4 9 PHE A 202 ILE A 241 PHE A 244 LYS A 251
SITE 3 AC4 9 PHE A 296
SITE 1 AC5 3 PHE A 212 PHE A 227 GLU A 474
CRYST1 93.500 93.500 137.070 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 0.010695 0.006175 0.000000 0.00000
SCALE2 0.000000 0.012350 0.000000 0.00000
SCALE3 0.000000 0.000000 0.007296 0.00000