Structure of human protein kinase CK2 catalytic subunit (CK2alpha', CSNK2A2 gene product) in complex with the cyclic peptidomimetic compound 12 discovered by high-throughput screening
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6HMQ | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | protein solution: 90 mikroliter CK2alpha'-Cys336Ser solution (5 mg/ml in 500 mmol/l NaCl, 25 mmol/l Tris/HCl, pH 8.5) was mixed with 10 mikroliter 10 millimolar FMP37 in DMSO and incubated for 30 min. reservoir: 810 mmol/l LiCl, 100 mM Tris/HCl, pH 8.5, 28%(w/v) PEG6000. crystallization drop: 4 mikroliter protein solution plus 2 mikroliter reservoir solution. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 43.23 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 46.452 | α = 90 |
| b = 71.068 | β = 91.967 |
| c = 102.878 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 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 EIGER2 S 9M | 2022-11-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID30B | 0.885602 | ESRF | ID30B |
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 | 1.161 | 58.462 | 52 | 0.081 | 0.081 | 0.096 | 0.04 | 0.906 | 7.2 | 4.9 | 119426 | 13.04 | |||||||
| 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 | 1.161 | 1.329 | 1.275 | 1.275 | 1.436 | 0.77 | 0.535 | 1.8 | |||||||||||
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 | MOLECULAR REPLACEMENT | FREE R-VALUE | 1.161 | 58.46 | 1.35 | 119368 | 1205 | 51.94 | 0.1456 | 0.1452 | 0.1524 | 0.1847 | 0.1881 | 20.49 | |||||
| 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 | 14.8404 |
| f_angle_d | 1.4279 |
| f_chiral_restr | 0.1042 |
| f_bond_d | 0.0181 |
| f_plane_restr | 0.0151 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5528 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 469 |
| Heterogen Atoms | 117 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| autoPROC | data reduction |
| autoPROC | data scaling |
| PHASER | phasing |














