7NLT
Crystal structure of Mycobacterium tuberculosis ArgB in complex with 4-(4-methylpiperazin-1-yl)benzoic acid
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I04 |
Synchrotron site | Diamond |
Beamline | I04 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2016-07-16 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.9795 |
Spacegroup name | H 3 2 |
Unit cell lengths | 173.627, 173.627, 71.992 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 50.122 - 2.225 |
R-factor | 0.1926 |
Rwork | 0.190 |
R-free | 0.25100 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2ap9 |
RMSD bond length | 0.008 |
RMSD bond angle | 0.982 |
Data reduction software | XDS |
Data scaling software | Aimless (0.5.15) |
Phasing software | PHASER (2.6.0) |
Refinement software | PHENIX (1.10) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.122 | 50.120 | 2.350 |
High resolution limit [Å] | 2.225 | 7.040 | 2.230 |
Rmerge | 0.065 | 0.051 | 1.005 |
Rmeas | 0.068 | 0.054 | 1.056 |
Rpim | 0.021 | 0.018 | 0.325 |
Total number of observations | 6569 | 30760 | |
Number of reflections | 20440 | 689 | 2950 |
<I/σ(I)> | 18 | 44.4 | 2.2 |
Completeness [%] | 100.0 | 99.7 | 100 |
Redundancy | 10.3 | 9.5 | 10.4 |
CC(1/2) | 0.999 | 0.998 | 0.866 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 9.5 | 291 | 1260 mM ammonium sulphate 100 mM CHES pH 9.5 200 mM NaCl |