1Q11
Crystal structure of an active fragment of human tyrosyl-tRNA synthetase with tyrosinol
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X26C |
| Synchrotron site | NSLS |
| Beamline | X26C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2002-11-19 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.28 |
| Spacegroup name | P 21 21 2 |
| Unit cell lengths | 75.825, 162.989, 35.267 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 - 1.600 |
| R-factor | 0.1966 |
| Rwork | 0.197 |
| R-free | 0.21700 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1n3l mini TyrRS alone |
| RMSD bond length | 0.004 |
| RMSD bond angle | 1.100 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.660 |
| High resolution limit [Å] | 1.600 | 1.600 |
| Rmerge | 0.062 | 0.301 |
| Number of reflections | 55381 * | |
| <I/σ(I)> | 16.2 | 3.8 |
| Completeness [%] | 93.8 * | 64.5 |
| Redundancy | 6.7 * |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 * | 4 * | (NH4)2SO4, NAH2PO4, K2HPO4, ACETONE, pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 279K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | reservoir | PEG8000 | 2 (%) | |
| 2 | 1 | reservoir | sodium-MES | 0.1 (M) | pH6.32 |
| 3 | 1 | drop | HEPES | 10 (mM) | pH7.5 |
| 4 | 1 | drop | 20 (mM) | ||
| 5 | 1 | drop | 0.02 (%) | ||
| 6 | 1 | drop | 2-mercaptoethanol | 2 (mM) |
