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- PDB-5uec: Crystal Structure of CYP2B6 (Y226H/K262R) in complex with myrteny... -

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Basic information

Entry
Database: PDB / ID: 5uec
TitleCrystal Structure of CYP2B6 (Y226H/K262R) in complex with myrtenyl bromide.
ComponentsCytochrome P450 2B6
KeywordsOXIDOREDUCTASE / cytochrome P450 2B6
Function / homology
Function and homology information


testosterone 16-alpha-hydroxylase activity / testosterone 16-beta-hydroxylase activity / Fatty acids / Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor / ketone metabolic process / CYP2E1 reactions / arachidonate epoxygenase activity / epoxygenase P450 pathway / anandamide 8,9 epoxidase activity / anandamide 11,12 epoxidase activity ...testosterone 16-alpha-hydroxylase activity / testosterone 16-beta-hydroxylase activity / Fatty acids / Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor / ketone metabolic process / CYP2E1 reactions / arachidonate epoxygenase activity / epoxygenase P450 pathway / anandamide 8,9 epoxidase activity / anandamide 11,12 epoxidase activity / anandamide 14,15 epoxidase activity / estrogen 2-hydroxylase activity / Xenobiotics / Phase I - Functionalization of compounds / 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 / steroid metabolic process / xenobiotic catabolic process / xenobiotic metabolic process / monooxygenase activity / iron ion binding / intracellular membrane-bounded organelle / heme binding / endoplasmic reticulum membrane / cytoplasm
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
Chem-85D / PROTOPORPHYRIN IX CONTAINING FE / Cytochrome P450 2B6
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.27 Å
AuthorsShah, M.B. / Halpert, J.R.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)ES003619 United States
CitationJournal: ACS Chem. Biol. / Year: 2017
Title: Halogen-pi Interactions in the Cytochrome P450 Active Site: Structural Insights into Human CYP2B6 Substrate Selectivity.
Authors: Shah, M.B. / Liu, J. / Zhang, Q. / Stout, C.D. / Halpert, J.R.
History
DepositionDec 30, 2016Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 12, 2017Provider: repository / Type: Initial release
Revision 1.1May 31, 2017Group: Database references
Revision 1.2Sep 27, 2017Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Dec 18, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.4Oct 4, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / refine_hist
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _refine_hist.d_res_low

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cytochrome P450 2B6
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,9616
Polymers54,6461
Non-polymers2,3155
Water2,252125
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)77.247, 77.247, 202.792
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein Cytochrome P450 2B6 / 1 / 4-cineole 2-exo-monooxygenase / CYPIIB6 / Cytochrome P450 IIB1


Mass: 54646.004 Da / Num. of mol.: 1 / Mutation: Y226H, K262R
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CYP2B6 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109
References: UniProt: P20813, Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor
#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 1 / 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.: 3 / Source method: obtained synthetically / Formula: C23H42O11 / Comment: detergent*YM
#4: Chemical ChemComp-85D / (1S,5R)-2-(bromomethyl)-6,6-dimethylbicyclo[3.1.1]hept-2-ene


Mass: 215.130 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15Br
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 125 / 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: 3.2 Å3/Da / Density % sol: 61.52 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7.5
Details: 0.2 M Magnesium acetate tetrahydrate 25%w/v PEG3350

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.1 / Wavelength: 0.99 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Oct 8, 2015 / Details: Si(111)
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.99 Å / Relative weight: 1
ReflectionResolution: 2.27→67.59 Å / Num. obs: 33225 / % possible obs: 100 % / Redundancy: 19.3 % / Rmerge(I) obs: 0.11 / Rsym value: 0.11 / Net I/σ(I): 10.2
Reflection shellResolution: 2.27→2.31 Å / Redundancy: 15 % / Rmerge(I) obs: 0.52 / Mean I/σ(I) obs: 6.1 / Num. unique all: 1588 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.5.0072refinement
iMOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4I91

4i91


Resolution: 2.27→47.55 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.944 / SU B: 5.039 / SU ML: 0.125 / Cross valid method: THROUGHOUT / ESU R: 0.212 / ESU R Free: 0.192 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22893 1678 5.1 %RANDOM
Rwork0.17421 ---
obs0.17686 31422 99.68 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å
Displacement parametersBiso mean: 48.561 Å2
Baniso -1Baniso -2Baniso -3
1-1.12 Å20.56 Å20 Å2
2--1.12 Å20 Å2
3----1.69 Å2
Refinement stepCycle: 1 / Resolution: 2.27→47.55 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3716 0 112 125 3953
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0223961
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.8612.0165367
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.0565464
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.74522.826184
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.42915653
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.4671530
X-RAY DIFFRACTIONr_chiral_restr0.120.2575
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0213012
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_it1.2021.52323
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.28423761
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.61931638
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it5.8184.51606
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.272→2.331 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.272 122 -
Rwork0.191 2249 -
obs--98.79 %

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