2XKR

Crystal Structure of Mycobacterium tuberculosis CYP142: A novel cholesterol oxidase


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2WM4PDB ENTRY 2WM4

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.510% PEG 550MME WITH 100 MM POTASSIUM THIOCYANATE AND 0.1 M SODIUM ACETATE AT A PH RANGE OF 5.0-6.0.
Crystal Properties
Matthews coefficientSolvent content
2.6453.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.31α = 90
b = 65.46β = 90
c = 129.47γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2010-03-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.640.299.70.0622.76.962547216.47
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.61.7990.464.16.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2WM41.60140.164262544316999.740.16940.1680.195519.95
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]
0.27081.9205-2.1913
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.63
f_angle_d1.032
f_chiral_restr0.067
f_bond_d0.005
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3051
Nucleic Acid Atoms
Solvent Atoms510
Heterogen Atoms50

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing