3H99
Structure of a mutant methionyl-tRNA synthetase with modified specificity complexed with methionine
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID14-2 |
Synchrotron site | ESRF |
Beamline | ID14-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-09-13 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.933 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 78.172, 45.293, 85.967 |
Unit cell angles | 90.00, 107.25, 90.00 |
Refinement procedure
Resolution | 50.000 - 1.400 |
R-factor | 0.168 |
Rwork | 0.168 |
R-free | 0.18000 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3h97 |
RMSD bond length | 0.004 |
RMSD bond angle | 1.222 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | CNS |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.500 |
High resolution limit [Å] | 1.400 | 1.400 |
Rmerge | 0.025 | 0.075 |
Number of reflections | 111291 | 20621 |
<I/σ(I)> | 28.8 | 11.7 |
Completeness [%] | 98.0 | 97.8 |
Redundancy | 2.8 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.1 | 279 | Ammonium citrate, pH 7.1, VAPOR DIFFUSION, SITTING DROP, temperature 279K |