3QOA

Crystal structure of a human cytochrome P450 2B6 (Y226H/K262R) in complex with the inhibitor 4-Benzylpyridine.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3ME6 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52910.2 M Ammonium acetate, 0.1 M HEPES, 25% PEG 3350, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.1360.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.76α = 90
b = 76.76β = 90
c = 201.341γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2010-12-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-10.98SSRLBL11-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.150.3491.70.1240.1244.343763023.442
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.15492.40.430.4131.73.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3ME62.150.344115235495188590.850.199870.199870.19720.24992RANDOM23.442
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.850.430.85-1.28
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.959
r_dihedral_angle_4_deg19.319
r_dihedral_angle_3_deg16.372
r_dihedral_angle_1_deg6.439
r_scangle_it4.892
r_scbond_it3.158
r_mcangle_it1.915
r_angle_refined_deg1.87
r_mcbond_it1.086
r_chiral_restr0.124
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.959
r_dihedral_angle_4_deg19.319
r_dihedral_angle_3_deg16.372
r_dihedral_angle_1_deg6.439
r_scangle_it4.892
r_scbond_it3.158
r_mcangle_it1.915
r_angle_refined_deg1.87
r_mcbond_it1.086
r_chiral_restr0.124
r_bond_refined_d0.022
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3711
Nucleic Acid Atoms
Solvent Atoms250
Heterogen Atoms74

Software

Software
Software NamePurpose
Blu-Icedata collection
BALBESphasing
REFMACrefinement
iMOSFLMdata reduction
SCALAdata scaling