2PPQ
Crystal structure of the homoserine kinase from Agrobacterium tumefaciens
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 19-ID |
| Synchrotron site | APS |
| Beamline | 19-ID |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2006-04-19 |
| Detector | ADSC QUANTUM 315 |
| Wavelength(s) | 0.9798 |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 61.338, 100.619, 134.310 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 67.120 - 2.000 |
| R-factor | 0.1897 |
| Rwork | 0.187 |
| R-free | 0.23484 |
| Structure solution method | SAD |
| RMSD bond length | 0.013 |
| RMSD bond angle | 1.419 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 67.120 | 2.050 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Rmerge | 0.122 | 0.620 |
| Number of reflections | 26375 | |
| <I/σ(I)> | 15.9 | 2 |
| Completeness [%] | 97.5 | 83.28 |
| Redundancy | 8.7 | 6.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 298 | 0.1M Tris-HCl, 0.2M MgCl2, 25% PEG3350, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |






