2CKQ
Crystal structure of Human Choline Kinase alpha 2 in complex with Phosphocholine
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 22-ID |
Synchrotron site | APS |
Beamline | 22-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-10-12 |
Detector | MARRESEARCH |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 52.500, 128.300, 172.200 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 15.000 - 2.400 |
R-factor | 0.219 |
Rwork | 0.214 |
R-free | 0.25900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1nw1 |
RMSD bond length | 0.009 |
RMSD bond angle | 1.225 |
Data reduction software | XDS |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 15.000 | 2.500 |
High resolution limit [Å] | 2.400 | 2.400 |
Rmerge | 0.110 | 0.570 |
Number of reflections | 46369 | |
<I/σ(I)> | 13.9 | 3.2 |
Completeness [%] | 99.8 | 99.1 |
Redundancy | 8.1 | 6.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 7.5 | 0.01 M MGCL2, 15% PEG 3350, 0.2 M NAF., pH 7.50 |