3PA5

X-ray crystal structure of compound 1 bound to human CHK1 kinase domain


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop7.52980.1 M Tris-Cl, pH 7.5, 1% v/v n-butanol, 2.5% v/v DMSO, 25% v/v Glycerol, 6-12% PEG 3.25K, 2.5 mM TCEP-Cl, 10 mM Na2-Dithionite, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.7254.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.84α = 90
b = 65.85β = 94.68
c = 58.25γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVMIRRORS2006-02-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.54578

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
11.75099.80.0750.07517.83.337091
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)
1.71.7399.90.4392.91885

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESIS1.719370660.1850.204RANDOM31.6484
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2073
Nucleic Acid Atoms
Solvent Atoms193
Heterogen Atoms43

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
BUSTER-TNTrefinement
PDB_EXTRACTdata extraction
BUSTERrefinement