1I6M
1.7 HIGH RESOLUTION EXPERIMENTAL PHASES FOR TRYPTOPHANYL-TRNA SYNTHETASE COMPLEXED WITH TRYPTOPHANYL-5'AMP
Experimental procedure
| Experimental method | MULTIPLE WAVELENGTHS |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X12C |
| Synchrotron site | NSLS |
| Beamline | X12C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 1998-06-01 |
| Detector | BRANDEIS - B4 |
| Wavelength(s) | 1.0, 0.978, 0.979, 0.985 |
| Spacegroup name | P 43 21 2 |
| Unit cell lengths | 59.770, 59.770, 232.650 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 13.000 - 1.720 |
| R-factor | 0.209 * |
| Rwork | 0.225 |
| R-free | 0.25700 |
| Structure solution method | MIRAS |
| RMSD bond length | 0.020 |
| RMSD bond angle | 1.492 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SHARP |
| Refinement software | BUSTER-TNT |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 25.000 | 1.780 |
| High resolution limit [Å] | 1.720 | 1.720 |
| Rmerge | 0.042 * | 0.315 * |
| Total number of observations | 332053 * | |
| Number of reflections | 45713 | |
| <I/σ(I)> | 15.9 | 3.1 |
| Completeness [%] | 83.4 | 75.7 |
| Redundancy | 4.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | MICRODIALYSIS | 7.6 | 310 | POTASSIUM PHOSPHATE, AMMONIUM SULFATE, MAGNESIUM SULFATE, pH 7.60, MICRODIALYSIS, temperature 310.0K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | 1 | tryptophan | 2 (mM) | |
| 2 | 1 | 1 | ATP | 10 (mM) | |
| 3 | 1 | 1 | magnesium | 10 (mM) | |
| 4 | 1 | 2 | potassium phosphate | 2.0 (M) |
