1H3M
Structure of 4-diphosphocytidyl-2C-methyl-D-erythritol synthetase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE BM14 |
Synchrotron site | ESRF |
Beamline | BM14 |
Temperature [K] | 100 |
Detector technology | CCD |
Detector | MARRESEARCH |
Spacegroup name | P 41 21 2 |
Unit cell lengths | 73.604, 73.604, 175.562 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.400 |
R-factor | 0.241 |
Rwork | 0.237 |
R-free | 0.33300 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1ini |
RMSD bond length | 0.016 |
RMSD bond angle | 1.670 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | REFMAC (5.1.19) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.460 |
High resolution limit [Å] | 2.400 | 2.400 |
Rmerge | 0.031 * | 0.271 * |
Total number of observations | 81222 * | |
Number of reflections | 19619 | |
<I/σ(I)> | 37 | 3.1 |
Completeness [%] | 99.5 | 94.7 * |
Redundancy | 4.1 * |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion * | 7.7 * | 293 * | 0.2M AMMONIUM SULPHATE, 0.1M SODIUM ACETATE, PH 5.6, 25% PEG 4000 |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 9 (mg/ml) | |
2 | 1 | drop | 100 (mM) | ||
3 | 1 | drop | Tris-HCl | 100 (mM) | pH7.7 |
4 | 1 | reservoir | sodium acetate | 0.1 (M) | pH5.6 |
5 | 1 | reservoir | PEG4000 | 25 (%) | |
6 | 1 | reservoir | ammonium sulfate | 0.2 (M) |