8FD9

Structure of BTK kinase domain with the second-generation inhibitor acalabrutinib


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5P9J 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION6.527720% PEG 3350, 0.1M Bis-tris propane, pH 6.5 and 0.2M sodium bromide
Crystal Properties
Matthews coefficientSolvent content
2.2545.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.921α = 90
b = 50.31β = 90
c = 123.483γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 S 16M2022-07-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.97918APS24-ID-E

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.62646.59182.20.1480.1620.0640.9961.25.52834317.65
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.6261.74521.81.2760.5820.4991.55.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.719.741.3427871139492.250.18870.18660.227623.15
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
f_dihedral_angle_d12.0686
f_angle_d0.4745
f_chiral_restr0.0388
f_plane_restr0.0032
f_bond_d0.0016
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2215
Nucleic Acid Atoms
Solvent Atoms267
Heterogen Atoms39

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata processing
PHASERphasing
autoPROCdata reduction
XDSdata scaling
Cootmodel building