1JJK
Selenomethionine Substitution of Orotidine-5'-monophosphate Decarboxylase from E. coli Causes a Change in Crystal Contacts and Space Group
Experimental procedure
| Experimental method | MAD |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE BM14 |
| Synchrotron site | ESRF |
| Beamline | BM14 |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Collection date | 1999-04-09 |
| Detector | MARRESEARCH |
| Wavelength(s) | 0.9787, 0.9789, 0.8856 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 115.500, 149.000, 115.600 |
| Unit cell angles | 90.00, 115.30, 90.00 |
Refinement procedure
| Resolution | 30.000 - 3.000 |
| R-factor | 0.3435 |
| Rwork | 0.344 |
| R-free | 0.34400 |
| Structure solution method | MAD |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.300 |
| Data scaling software | CCP4 ((SCALA)) |
| Phasing software | SOLVE |
| Refinement software | CNS (0.9) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 3.160 |
| High resolution limit [Å] | 3.000 | 3.000 |
| Rmerge | 0.140 | 0.315 |
| Total number of observations | 333946 * | |
| Number of reflections | 64921 | |
| <I/σ(I)> | 3.1 | 1.3 |
| Completeness [%] | 92.3 | 93.7 |
| Redundancy | 5.1 | 4.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 291 * | PEG 8000, magnesium chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 6.0 (mg/ml) | |
| 2 | 1 | reservoir | PEG8000 | 20 (%) | |
| 3 | 1 | reservoir | 0.2 (M) | ||
| 4 | 1 | reservoir | MES | 0.1 (M) |
