4BDI
Fragment-based screening identifies a new area for inhibitor binding to checkpoint kinase 2 (CHK2)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I24 |
Synchrotron site | Diamond |
Beamline | I24 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2012-07-29 |
Detector | DECTRIS PILATUS |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 90.230, 90.230, 92.900 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 39.070 - 2.320 |
R-factor | 0.1896 |
Rwork | 0.188 |
R-free | 0.22050 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2wtj |
RMSD bond length | 0.010 |
RMSD bond angle | 1.090 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | BUSTER (2.11.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 39.070 | 2.370 |
High resolution limit [Å] | 2.310 | 2.310 |
Rmerge | 0.040 | 0.580 |
Number of reflections | 19611 | |
<I/σ(I)> | 24.4 | 3.9 |
Completeness [%] | 99.9 | 100 |
Redundancy | 9.2 | 9.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 0.1 M HEPES 7.5, 0.2 M MG(NO3)2, 10% (V/V) ETHYLENE GLYCOL, 1 MM TCEP AND 8-14% (W/V) PEG 3350 |