3OT3

X-ray crystal structure of compound 22k bound to human Chk1 kinase domain


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52960.1M Tris-Cl pH 7.5, 25% v/v Glycerol, 2.5% v/v DMSO, 1% v/v 1-butanol, 4 to 10% v/v PEG 3.25K, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties
Matthews coefficientSolvent content
2.754.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.83α = 90
b = 65.78β = 94.41
c = 57.72γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDMAR CCD 165 mm2006-06-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-BM1.0APS17-BM

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
11.4457.590.50.0540.05319.52.9595175385318.8
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)
1.441.4890.10.4330.3672.42.82652

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB ENTRY 2BRM1.4457595175385326920.1850.1850.1850.202EXTENDED from 2BRM, RANDOM
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]
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d17.115
t_improper_torsion4.367
t_it1.43
t_angle_deg0.91
t_nbd0.016
t_gen_planes0.014
t_bond_d0.01
t_trig_c_planes0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2103
Nucleic Acid Atoms
Solvent Atoms277
Heterogen Atoms24

Software

Software
Software NamePurpose
MAR345dtbdata collection
BUSTERrefinement
DENZOdata reduction
SCALEPACKdata scaling
BUSTERphasing