1VA6
Crystal structure of Gamma-glutamylcysteine synthetase from Escherichia Coli B complexed with Transition-state analogue
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL41XU |
Synchrotron site | SPring-8 |
Beamline | BL41XU |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-02-02 |
Detector | MARRESEARCH |
Wavelength(s) | 1.000 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 70.468, 97.360, 102.185 |
Unit cell angles | 90.00, 109.63, 90.00 |
Refinement procedure
Resolution | 40.000 - 2.100 |
R-factor | 0.2 |
Rwork | 0.200 |
R-free | 0.22500 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1v4g |
RMSD bond length | 0.018 |
RMSD bond angle | 1.344 |
Data reduction software | MOSFLM |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | MOLREP |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 48.800 | 2.150 |
High resolution limit [Å] | 2.100 | 2.100 |
Rmerge | 0.084 | 0.379 |
Number of reflections | 73622 | |
<I/σ(I)> | 14.8 | 3.5 |
Completeness [%] | 97.2 | 96.3 |
Redundancy | 4.8 | 4.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293 | PEG 2000MME, MgCl2, Tris-HCl buffer, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |