7A4B
Crystal structure of human protein kinase CK2alpha (CSNK2A1 gene product) in complex with the ATP-competitive inhibitor 5,6-dibromo-1H-triazolo[4,5-b]pyridine
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID29 |
Synchrotron site | ESRF |
Beamline | ID29 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2016-12-13 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.976251 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 127.329, 127.329, 124.884 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 90.035 - 2.060 |
R-factor | 0.192 |
Rwork | 0.191 |
R-free | 0.22260 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2pvr |
RMSD bond length | 0.001 |
RMSD bond angle | 0.402 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | PHENIX (1.18.2_3874) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 90.035 | 2.260 |
High resolution limit [Å] | 2.060 | 2.060 |
Rmerge | 0.178 | 2.105 |
Rmeas | 0.181 | 2.166 |
Rpim | 0.036 | 0.492 |
Number of reflections | 46838 | 2341 |
<I/σ(I)> | 14.8 | 1.6 |
Completeness [%] | 73.3 | 15.3 |
Redundancy | 25.7 | 18.1 |
CC(1/2) | 0.997 | 0.483 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 1 MIKROLITER OF THE CK2ALPHA/INHIBITOR MIXTURE (COMPOSITION: 7 MG/ML CK2ALPHA ENZYME, 1 MILLIMOLAR INHIBITOR, 10 % DIMETHYL SULFOXIDE, 450 MM NACL, 22.5 MM TRIS/HCL, PH 8.5) WAS MIXED WITH 1 MIKROLITER RESERVOIR SOLUTION (COMPOSITION: 25 % PEG3350, 0.2 M AMMONIUM SULPHATE, 0.1 M BIS-TRIS BUFFER, PH 5.5) FOLLOWED BY VAPOUR DIFFUSION EQUILIBRATION AGAINST THE RESERVOIR SOLUTION. |