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- PDB-3mvr: Crystal Structure of cytochrome P450 2B4-H226Y in a closed confor... -

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Basic information

Entry
Database: PDB / ID: 3mvr
TitleCrystal Structure of cytochrome P450 2B4-H226Y in a closed conformation
ComponentsCytochrome P450 2B4
KeywordsOXIDOREDUCTASE / Ligand free closed conformation / P450 / Cytochrome P450 2B4 / monooxygenase / membrane protein / CYP 2B4.
Function / homology
Function and homology information


arachidonate epoxygenase activity / epoxygenase P450 pathway / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen / unspecific monooxygenase / xenobiotic metabolic process / iron ion binding / heme binding / endoplasmic reticulum membrane
Similarity search - Function
Cytochrome P450, E-class, group I, CYP2B-like / : / Cytochrome P450, E-class, group I / Cytochrome p450 / Cytochrome P450 / Cytochrome P450, conserved site / Cytochrome P450 cysteine heme-iron ligand signature. / Cytochrome P450 / Cytochrome P450 superfamily / Cytochrome P450 ...Cytochrome P450, E-class, group I, CYP2B-like / : / Cytochrome P450, E-class, group I / Cytochrome p450 / Cytochrome P450 / Cytochrome P450, conserved site / Cytochrome P450 cysteine heme-iron ligand signature. / Cytochrome P450 / Cytochrome P450 superfamily / Cytochrome P450 / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / Cytochrome P450 2B4
Similarity search - Component
Biological speciesOryctolagus cuniculus (rabbit)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.76 Å
AuthorsShah, M.B. / Stout, C.D. / Halpert, J.R.
Citation
Journal: J.Biol.Chem. / Year: 2010
Title: Plasticity of Cytochrome P450 2B4 as Investigated by Hydrogen-Deuterium Exchange Mass Spectrometry and X-ray Crystallography.
Authors: Wilderman, P.R. / Shah, M.B. / Liu, T. / Li, S. / Hsu, S. / Roberts, A.G. / Goodlett, D.R. / Zhang, Q. / Woods, V.L. / Stout, C.D. / Halpert, J.R.
#1: Journal: J.Biol.Chem. / Year: 2006
Title: Structure of microsomal cytochrome P450 2B4 complexed with the antifungal drug bifonazole: insight into P450 conformational plasticity and membrane interaction.
Authors: Zhao, Y. / White, M.A. / Muralidhara, B.K. / Sun, L. / Halpert, J.R. / Stout, C.D.
#2: Journal: Proc.Natl.Acad.Sci.USA / Year: 2003
Title: An open conformation of mammalian cytochrome P450 2B4 at 1.6 A resolution.
Authors: Scott, E.E. / He, Y.A. / Wester, M.R. / White, M.A. / Chin, C.C. / Halpert, J.R. / Johnson, E.F. / Stout, C.D.
#3: Journal: Biochemistry / Year: 2007
Title: Structural and thermodynamic consequences of 1-(4-chlorophenyl)imidazole binding to cytochrome P450 2B4.
Authors: Zhao, Y. / Sun, L. / Muralidhara, B.K. / White, M.A. / Stout, C.D. / Halpert, J.R.
#4: Journal: Biochemistry / Year: 2009
Title: Crystal Structures of Cytochrome P450 2B4 in Complex with the Inhibitor 1-Biphenyl-4-methyl-1H-imidazole: Ligand-Induced Structural Response through Alpha-Helical Repositioning
Authors: Gay, S.C. / Sun, L. / Maekawa, K. / Halpert, J.R. / Stout, C.D.
#5: Journal: J.Biol.Chem. / Year: 2004
Title: Structure of mammalian cytochrome P450 2B4 complexed with 4-(4-chlorophenyl)imidazole at 1.9 {angstrom} resolution: Insight into the range of P450 conformations and coordination of redox partner binding.
Authors: Scott, E.E. / White, M.A. / He, Y.A. / Johnson, E.F. / Stout, C.D. / Halpert, J.R.
History
DepositionMay 4, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 29, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jan 24, 2018Group: Database references / Category: citation_author / Item: _citation_author.name
Revision 1.3Oct 6, 2021Group: Database references / Derived calculations / Category: database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Sep 6, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cytochrome P450 2B4
B: Cytochrome P450 2B4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,5498
Polymers108,3382
Non-polymers3,2116
Water13,133729
1
A: Cytochrome P450 2B4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)55,7754
Polymers54,1691
Non-polymers1,6063
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Cytochrome P450 2B4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)55,7754
Polymers54,1691
Non-polymers1,6063
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)91.470, 91.470, 150.400
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number144
Space group name H-MP31

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Components

#1: Protein Cytochrome P450 2B4 / CYPIIB4 / Cytochrome P450 isozyme 2 / Cytochrome P450 LM2 / Cytochrome P450 type B0 / Cytochrome P450 type B1


Mass: 54169.082 Da / Num. of mol.: 2 / Fragment: CYP2B4dH
Mutation: E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, H226Y
Source method: isolated from a genetically manipulated source
Details: Deleted residues 3-21, E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, 4 x Cterm His tag
Source: (gene. exp.) Oryctolagus cuniculus (rabbit) / Gene: CYP2B4 / Plasmid: pKK / Production host: Escherichia coli (E. coli) / Strain (production host): TOPP3 / References: UniProt: P00178, unspecific monooxygenase
#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Chemical
ChemComp-CM5 / 5-CYCLOHEXYL-1-PENTYL-BETA-D-MALTOSIDE / 5-CYCLOHEXYLPENTYL 4-O-ALPHA-D-GLUCOPYRANOSYL-BETA-D-GLUCOPYRANOSIDE / CYMAL-5


Mass: 494.573 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C23H42O11 / Comment: detergent*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 729 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.35 Å3/Da / Density % sol: 63.32 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 14.4 % (w/v) PEG 8000, 0.08M cacodylate pH 6.5, 0.6M calcium acetate, 20% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL7-1 / Wavelength: 0.97 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Feb 21, 2010
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.76→150 Å / Num. all: 138705 / Num. obs: 135654 / % possible obs: 97.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.7 % / Biso Wilson estimate: 26.276 Å2 / Rmerge(I) obs: 0.06 / Rsym value: 0.06 / Net I/σ(I): 7.9
Reflection shellResolution: 1.764→1.86 Å / Redundancy: 4.5 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 2.2 / Rsym value: 0.34 / % possible all: 96.8

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Processing

Software
NameVersionClassification
Blu-Icedata collection
PHASERphasing
REFMAC5.5.0102refinement
iMOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2Q6N

2q6n


Resolution: 1.76→150 Å / Cor.coef. Fo:Fc: 0.953 / Cor.coef. Fo:Fc free: 0.941 / SU B: 2.186 / SU ML: 0.07 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.103 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22368 6796 5 %RANDOM
Rwork0.19617 ---
all0.19753 131683 --
obs0.19753 128826 97.83 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 26.276 Å2
Baniso -1Baniso -2Baniso -3
1-0.34 Å20.17 Å20 Å2
2--0.34 Å20 Å2
3----0.51 Å2
Refinement stepCycle: LAST / Resolution: 1.76→150 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7424 0 222 729 8375
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0227875
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4432.0310689
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.6715925
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.38622.541362
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.976151291
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.8751571
X-RAY DIFFRACTIONr_chiral_restr0.0960.21178
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0215939
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.8241.54631
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.54627520
X-RAY DIFFRACTIONr_scbond_it2.28933244
X-RAY DIFFRACTIONr_scangle_it3.824.53169
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.764→1.81 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.316 520 -
Rwork0.273 9361 -
obs-9361 96.96 %

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