1L7K
x-ray structure of galactose mutarotase from Lactococcus lactis complexed with galactose
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 277 |
Detector technology | AREA DETECTOR |
Collection date | 2002-01-26 |
Detector | SIEMENS HI-STAR |
Wavelength(s) | 1.54178 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 45.200, 76.500, 211.600 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 30.000 - 1.950 |
R-factor | 0.157 * |
Rwork | 0.157 |
R-free | 0.21600 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1l7j |
RMSD bond length | 0.013 |
RMSD bond angle | 18.800 * |
Data scaling software | SAINT |
Phasing software | TNT |
Refinement software | TNT |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.030 |
High resolution limit [Å] | 1.950 | 1.950 |
Rmerge | 0.063 * | 0.225 * |
Number of reflections | 51652 | 5042 * |
<I/σ(I)> | 12 | 3.4 |
Completeness [%] | 94.3 | 74.2 |
Redundancy | 2.9 | 1.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 4 * | PEG-5000-O-Methylether, sodium chloride, MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | PEG5000-OMe | 15-19 (%) | |
2 | 1 | reservoir | MES | 100 (mM) | pH6.0 |
3 | 1 | drop | enzyme | 17.5 (mg/ml) |