4BDB
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 I02 |
Synchrotron site | Diamond |
Beamline | I02 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-05-21 |
Detector | ADSC CCD |
Spacegroup name | P 32 2 1 |
Unit cell lengths | 91.130, 91.130, 92.910 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 22.860 - 2.500 |
R-factor | 0.192 |
Rwork | 0.191 |
R-free | 0.22370 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2wtj |
RMSD bond length | 0.009 |
RMSD bond angle | 1.100 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | PHASER |
Refinement software | BUSTER (2.11.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 60.150 | 2.640 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.060 | 0.500 |
Number of reflections | 15700 | |
<I/σ(I)> | 13.9 | 2 |
Completeness [%] | 99.3 | 99.7 |
Redundancy | 5.4 | 5.5 |
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 |