7KA0
Crystal structure of the complex of M. tuberculosis PheRS with cognate precursor tRNA and phenylalanine
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-ID |
Synchrotron site | APS |
Beamline | 19-ID |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2018-08-17 |
Detector | DECTRIS PILATUS3 X 6M |
Wavelength(s) | 0.97934 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 292.859, 109.980, 127.951 |
Unit cell angles | 90.00, 100.16, 90.00 |
Refinement procedure
Resolution | 48.040 - 2.400 |
R-factor | 0.1786 |
Rwork | 0.177 |
R-free | 0.21470 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3pco |
Data reduction software | HKL-3000 |
Data scaling software | SCALEPACK |
Phasing software | HKL-3000 |
Refinement software | PHENIX (1.17.1_3660) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.440 |
High resolution limit [Å] | 2.400 | 6.510 | 2.400 |
Rmerge | 0.147 | 0.049 | 1.207 |
Rmeas | 0.159 | 0.053 | 1.330 |
Rpim | 0.061 | 0.020 | 0.548 |
Total number of observations | 1002495 | ||
Number of reflections | 155793 | 8003 | 7677 |
<I/σ(I)> | 7.3 | ||
Completeness [%] | 98.9 | 99 | 98.2 |
Redundancy | 6.4 | 6.8 | 5.5 |
CC(1/2) | 0.997 | 0.673 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 289 | 0.2 M lithium sulfate, 0.1 M HEPES, 25% PEG3350 |