2R0U

Crystal Structure of Chek1 in Complex with Inhibitor 54


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IA8 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.829813% PEG8K, 0.1M ammonium sulfate, 2% glycerol, 0.1M sodium cacodylate buffer, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.3447.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.26α = 90
b = 65.54β = 94.27
c = 58.5γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++blue Max-Flux confocal optical system2005-10-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.54

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
11.95898.80.0510.05115.14.91269872666930.747
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)
1.91.9797.30.31444.852675

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1IA81.95826662133398.650.19650.19530.2176RANDOM37.12
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]
2.367105940.09719814-2.18739559-0.17971035
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d20.15
t_it1.669
t_angle_deg1.122
t_nbd0.073
t_gen_planes0.016
t_trig_c_planes0.012
t_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2186
Nucleic Acid Atoms
Solvent Atoms254
Heterogen Atoms31

Software

Software
Software NamePurpose
BUSTER-TNTrefinement
CrystalCleardata collection
d*TREKdata reduction
d*TREKdata scaling
CNSphasing