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 |






