1PM2
CRYSTAL STRUCTURE OF MANGANESE SUBSTITUTED R2-D84E (D84E MUTANT OF THE R2 SUBUNIT OF E. COLI RIBONUCLEOTIDE REDUCTASE)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL9-2 |
| Synchrotron site | SSRL |
| Beamline | BL9-2 |
| Temperature [K] | 113 |
| Detector technology | CCD |
| Collection date | 2002-06-29 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.282 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 73.950, 83.940, 114.340 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 25.000 - 1.800 |
| R-factor | 0.185 |
| Rwork | 0.185 |
| R-free | 0.21500 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1piz |
| RMSD bond length | 0.004 |
| RMSD bond angle | 1.000 |
| Data reduction software | MOSFLM |
| Data scaling software | SCALA |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.900 |
| High resolution limit [Å] | 1.800 | 1.800 |
| Rmerge | 0.060 * | 0.206 |
| Total number of observations | 566232 * | |
| Number of reflections | 66524 * | |
| <I/σ(I)> | 8 | 3.5 |
| Completeness [%] | 99.8 | 99.8 |
| Redundancy | 4.2 | 4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.6 * | 37 * | PEG 4000, MES, sodium chloride, sodium ethylmercurithiosalicylicate , pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 310K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 10 (mg/ml) | |
| 2 | 1 | drop | HEPES | 100 (mM) | pH7.6 |
| 3 | 1 | drop | EMTS | 1 (mM) | |
| 4 | 1 | reservoir | MES | 50 (mM) | pH6.0 |
| 5 | 1 | reservoir | PEG4000 | 20 (%(w/v)) | |
| 6 | 1 | reservoir | 200 (mM) | ||
| 7 | 1 | reservoir | EMTS | 1 (mM) | |
| 8 | 1 | reservoir | dioxane | 0.5 (%(w/v)) |
