1JYL
Catalytic Mechanism of CTP:phosphocholine Cytidylyltransferase from Streptococcus pneumoniae (LicC)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 19-BM |
| Synchrotron site | APS |
| Beamline | 19-BM |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2001-06-11 |
| Wavelength(s) | 0.9790 |
| Spacegroup name | P 1 |
| Unit cell lengths | 48.200, 69.000, 81.600 |
| Unit cell angles | 93.40, 92.80, 97.10 |
Refinement procedure
| Resolution | 20.000 - 2.400 |
| R-factor | 0.208 * |
| Rwork | 0.208 |
| R-free | 0.23900 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.510 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | X-PLOR |
| Refinement software | XTALVIEW |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.440 |
| High resolution limit [Å] | 2.400 | 2.400 |
| Rmerge | 0.094 * | |
| Total number of observations | 194300 * | |
| Number of reflections | 37757 | |
| <I/σ(I)> | 12.2 | 2.02 |
| Completeness [%] | 94.5 | 77.2 |
| Redundancy | 1.82 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | unknown * | 7.5 * | 18 * | sodium acetate, PEG 4000, sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP at 291K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | 1 | protein | 23.3 (mg/ml) | |
| 2 | 1 | 1 | Tris | 50 (mM) | pH7.5 |
| 3 | 1 | 1 | dithiothreitol | 1 (mM) | |
| 4 | 1 | 1 | EDTA | 1 (mM) | |
| 5 | 1 | 2 | sodium citrate | 0.1 (M) | |
| 6 | 1 | 2 | ammonium sulfate | 1.85 (M) | |
| 7 | 1 | 2 | sodium potassium tartrate | 0.2 (M) | pH5.8 |
