3U9N

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


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5298.1 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, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5251.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.16α = 90
b = 65.68β = 102.63
c = 54.78γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200IMAGE PLATERIGAKU RAXIS HTCmirrors2006-01-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E+ SUPERBRIGHT1.5418

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
11.852090.610.0711268352431430.6
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)
11.851.8887.30.32.4

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 SYNTHESIS1.8520268352431412530.1970.1970.1960.229RANDOM
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_d5.735
t_angle_deg0.699
t_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2090
Nucleic Acid Atoms
Solvent Atoms172
Heterogen Atoms29

Software

Software
Software NamePurpose
JDirectordata collection
TNTrefinement
BUSTERrefinement
DENZOdata reduction
SCALEPACKdata scaling
TNTphasing