2WTD

Crystal structure of Chk2 in complex with an inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
10.1 M HEPES PH 7.5, 0.2 M MAGNESIUM NITRATE, 8-16% (W/V) PEG 3350
Crystal Properties
Matthews coefficientSolvent content
3.4163.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.89α = 90
b = 90.89β = 90
c = 92.83γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDKIRKPATRICK BAEZ BIMORPH MIRROR PAIR FOR HORIZONTAL AND VERTICAL FOCUSSING2009-05-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I02DiamondI02

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
12.7560.0499.90.077.455.351188264.18
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)
12.752.91000.471.585.5

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 2CN52.7539.981.51186062299.90.1940.1910.258
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]
-1.5253-1.52533.0507
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.75
f_angle_d0.982
f_chiral_restr0.062
f_bond_d0.007
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2247
Nucleic Acid Atoms
Solvent Atoms69
Heterogen Atoms41

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing