4L87
Crystal structure of the human seryl-tRNA synthetase in complex with Ser-SA at 2.9 Angstrom resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL7-1 |
Synchrotron site | SSRL |
Beamline | BL7-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2012-01-01 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.97946 |
Spacegroup name | P 3 2 1 |
Unit cell lengths | 167.074, 167.074, 65.156 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 144.690 - 2.897 |
R-factor | 0.2556 |
Rwork | 0.255 |
R-free | 0.26760 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3vbb |
RMSD bond length | 0.004 |
RMSD bond angle | 0.867 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 144.690 | |
High resolution limit [Å] | 2.897 | 2.897 |
Rmerge | 0.094 | |
Number of reflections | 23501 | |
<I/σ(I)> | 6.2 | |
Completeness [%] | 95.0 | |
Redundancy | 9.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 298 | 20% PEG3350, 0.2 M ammonium fluoride or ammonium formate, 0.1 M HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K |