1KFB
CRYSTAL STRUCTURE OF ALPHAT183V MUTANT OF TRYPTOPHAN SYNTHASE FROM SALMONELLA TYPHIMURIUM WITH Indole Glycerol Phosphate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE BW7B |
Synchrotron site | EMBL/DESY, HAMBURG |
Beamline | BW7B |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Detector | MARRESEARCH |
Wavelength(s) | 0.8345 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 181.937, 60.255, 67.119 |
Unit cell angles | 90.00, 94.84, 90.00 |
Refinement procedure
Resolution | 20.000 * - 1.900 |
R-factor | 0.164 |
Rwork | 0.164 |
R-free | 0.21000 |
RMSD bond length | 0.016 |
RMSD bond angle | 22.700 * |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 91.300 | 2.000 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.074 * | 0.262 * |
Total number of observations | 153263 * | |
Number of reflections | 54830 * | |
Completeness [%] | 94.7 | 79.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 296 | PEG 8000, EDTA, spermine, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 296K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 10 (mg/ml) | |
10 | 1 | reservoir | spermine | 2 (mM) | |
11 | 1 | reservoir | PEG8000 | 8-12 (%(w/v)) | |
2 | 1 | drop | Na+-bicine | 50 (mM) | pH7.8 |
3 | 1 | drop | Na+-EDTA | 10 (mM) | |
4 | 1 | drop | dithioerythritol | 1 (mM) | |
5 | 1 | drop | PLP | 20000 (nM) | |
6 | 1 | reservoir | Na+-bicine | 50 (mM) | pH7.8 |
7 | 1 | reservoir | dithioerythritol | 5 (mM) | |
8 | 1 | reservoir | Na+-EDTA | 5 (mM) | |
9 | 1 | reservoir | PLP | 0.1 (mM) |