3F9N

Crystal structure of chk1 kinase in complex with inhibitor 38


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IA8PDB entry 1IA8

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.829813% PEG 8000, 0.1M Ammonium sulfate, 2% Glycerol, 0.1M Cacodylate buffer pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.3447.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.06α = 90
b = 65.75β = 96.24
c = 58.41γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++2006-08-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.5418

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
11.950980.0660.066183263902639029.262
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.91.971000.3832.832662

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 SYNTHESISTHROUGHOUTPDB entry 1IA81.95026375132697.940.18360.18190.2158RANDOM39.78
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]
2.68696247-0.987653674.04991319-6.73687567
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d21.074
t_it1.625
t_angle_deg1.079
t_nbd0.047
t_gen_planes0.016
t_trig_c_planes0.011
t_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2064
Nucleic Acid Atoms
Solvent Atoms257
Heterogen Atoms54

Software

Software
Software NamePurpose
CrystalCleardata collection
BUSTER-TNTrefinement
HKL-2000data reduction
HKL-2000data scaling
BUSTER-TNTphasing