3BUE
Crystal structure of the C-terminal domain hexamer of ArgR from Mycobacterium tuberculosis
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 | 2007-03-09 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.97848 |
Spacegroup name | P 1 |
Unit cell lengths | 53.219, 57.242, 57.328 |
Unit cell angles | 66.19, 62.21, 82.00 |
Refinement procedure
Resolution | 44.810 - 2.150 |
R-factor | 0.1712 |
Rwork | 0.168 |
R-free | 0.23464 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1b4b |
RMSD bond length | 0.020 |
RMSD bond angle | 1.822 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.230 |
High resolution limit [Å] | 2.150 | 2.150 |
Number of reflections | 28214 | |
<I/σ(I)> | 11.77 | 2.26 |
Completeness [%] | 95.0 | 84 |
Redundancy | 1.8 | 1.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | Drops containing 1 microliter protein solution (10 mg/mL) and 0.5 microliter reservoir solution equilibrated against the reservoir solution (20% PEG 10000, 0.1 M HEPES pH 7.5), VAPOR DIFFUSION, HANGING DROP, temperature 293K |