Crystal structure of human protein kinase CK2alpha' (CSNK2A2 gene product) in complex with the 2-aminothiazole-type inhibitor 17
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | Reservoir composition: 28 % (w/v) PEG6000, 0.9 M LiCl, 0.1 M, Tris/HCl, pH 8.5; drop composition prior to equilibration: 0.01 ml reservoir solution + 0.02 ml CK2alpja' (mutant Cys336Ser) /inhibitor MB002 mixture (0.180 ml 6 mg/ml CK2alpha-'Cys336Ser, 0.5 M NaCl, 25 mM Tris/HCl, pH 8.5, mixed and pre-equilibrated with 0.02 ml 10 mM MB002 in dimethyl sulfoxide); the initial inhibitor MB002 was replaced by the 2-aminothiazole-type inhibitor 17 by extensive crystal soaking. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.61 | 52.79 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 46.339 | α = 66.812 |
| b = 47.493 | β = 89.925 |
| c = 50.357 | γ = 88.974 |
| Symmetry | |
|---|---|
| Space Group | P 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS3 2M | 2019-06-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.9184 | BESSY | 14.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||
| 1 | 0.922 | 32.074 | 76 | 0.036 | 0.036 | 0.042 | 0.021 | 0.999 | 14.9 | 3.7 | 206560 | 8.45 | |||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||
| 1 | 0.922 | 0.976 | 24.5 | 0.927 | 0.927 | 1.079 | 0.55 | 0.541 | 1.4 | 3.7 | |||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | AB INITIO PHASING | FREE R-VALUE | 0.922 | 32.07 | 1.96 | 206560 | 2032 | 74.01 | 0.1278 | 0.1276 | 0.13 | 0.1463 | 0.15 | 14.48 | |||||
| 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 | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 16.3945 |
| f_angle_d | 1.3997 |
| f_chiral_restr | 0.1138 |
| f_bond_d | 0.0166 |
| f_plane_restr | 0.0113 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2759 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 439 |
| Heterogen Atoms | 21 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| autoPROC | data scaling |
| Arcimboldo | phasing |
| PHENIX | refinement |














