2HI4

Crystal Structure of Human Microsomal P450 1A2 in complex with alpha-naphthoflavone


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1Z10CYP2A6, PDB entry 1Z10

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5291PEG3350, Tris, ammonium nitrate, Cymal-6 (cyclohexyl-hexyl-beta-D-maltoside), C12E8 (octaethyleneglycol mono-n-dodecyl ether) , pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.5151.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.63α = 90
b = 80.82β = 90
c = 175.82γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (ho rizontal focusing)2006-04-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-10.97945SSRLBL11-1

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
11.988.04592.20.0920.09245411394113923.73
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)
1.91.9595.20.3940.3941.54.93092

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTCYP2A6, PDB entry 1Z101.9529.513989338022187191.10.2230.2260.267RANDOM37.6
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]
24.99-12.86-12.13
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.3
c_angle_deg2
c_improper_angle_d1.26
c_bond_d0.019
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3844
Nucleic Acid Atoms
Solvent Atoms160
Heterogen Atoms64

Software

Software
Software NamePurpose
SCALAdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction
CCP4data scaling
PHASERphasing