STRUCTURE OF PROTEIN KINASE CK2 CATALYTIC SUBUNIT (ISOFORM CK2ALPHA'; CSNK2A2 GENE PRODUCT) IN COMPLEX WITH THE BENZOTRIAZOLE-TYPE INHIBITOR MB002
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.15 | 180 MICROLITERs ENZYME STOCK SOLUTION (6 MG/ML IN 500 MM NACL, 25 MM TRIS/HCL, PH 8.5) WERE MIXED and Incubated WITH 20 MIKROLITERS of a STOCK SOLUTION of the inhibitor 4B0 (10 MM 4B0 IN DMSO). 20 MICROLITERS OF resulting solution WERE MIXED WITH 10 MICROLITERS OF RESERVOIR SOLUTION (900 MM LICL, 28 % (W/V) PEG 6000, 100 MM TRIS/HCL, PH 8.5) IN EACH WELL OF A CRYSTALLIZATION PLATE. A SINGLE MACROSEED, grown UNDER THE SAME CONDITIONS, WAS ADDED TO EACH DROPLET on the plate. THE DROPLETS WERE EQUILIBRATED AT 293.15 K using the sitting drop variant of the VAPOR DIFFUSION method. | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.39 | 48.6 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 46.14 | α = 113.47 | 
| b = 47.22 | β = 90.76 | 
| c = 50.29 | γ = 90.27 | 
| 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 S 6M | 2018-04-18 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | ESRF BEAMLINE ID30B | 0.8 | ESRF | ID30B | 
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
| 1 | 0.97 | 43.113 | 89.6 | 0.04454 | 0.04825 | 0.01835 | 0.999 | 20.27 | 6.9 | 213727 | 11.37 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 0.97 | 1.005 | 78.71 | 1.504 | 1.631 | 0.6253 | 0.526 | 1.16 | 6.7 | ||||||||||
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 | 0.97 | 46.133 | 1.93 | 213440 | 2131 | 92.53 | 0.1203 | 0.1202 | 0.12 | 0.1317 | 0.13 | ||||||
| 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 | 17.306 | 
| f_angle_d | 1.116 | 
| f_chiral_restr | 0.091 | 
| f_bond_d | 0.011 | 
| f_plane_restr | 0.008 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2759 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 399 | 
| Heterogen Atoms | 68 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| PHENIX | refinement | 
| XDS | data reduction | 
| Aimless | data scaling | 
| Arcimboldo | phasing | 
| ARP/wARP | model building | 














