3MD0
Crystal structure of arginine/ornithine transport system ATPase from Mycobacterium tuberculosis bound to GDP (a RAS-like GTPase superfamily protein)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-03-24 |
Detector | RIGAKU SATURN 944 |
Wavelength(s) | 1.5418 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 65.530, 187.360, 66.200 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.960 - 2.450 |
R-factor | 0.213 |
Rwork | 0.211 |
R-free | 0.25100 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2qm7 |
RMSD bond length | 0.015 |
RMSD bond angle | 1.556 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.960 | 2.510 |
High resolution limit [Å] | 2.450 | 2.450 |
Rmerge | 0.072 | 0.573 |
Number of reflections | 15339 | 1090 |
<I/σ(I)> | 20.5 | 2.7 |
Completeness [%] | 99.4 | 97.2 |
Redundancy | 6.84 | 4.62 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.2 | 289 | 50% PEG 200, 0.2 M NaCl, 0.1 M Na K phosphate pH 6.2, 22.0 mg/mL protein, 2 mM GDP, crystal tracking ID 207391d3, VAPOR DIFFUSION, SITTING DROP, temperature 289K |