4W4K
Crystal structure of a PE25-PPE41 heterodimer from a type VII secretion system of M. tuberculosis
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 8.3.1 |
| Synchrotron site | ALS |
| Beamline | 8.3.1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2012-09-19 |
| Detector | ADSC QUANTUM 315r |
| Wavelength(s) | 1.116 |
| Spacegroup name | P 2 2 21 |
| Unit cell lengths | 40.980, 49.480, 284.350 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 47.392 - 1.950 |
| R-factor | 0.2239 |
| Rwork | 0.222 |
| R-free | 0.26300 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 2g38 |
| RMSD bond length | 0.003 |
| RMSD bond angle | 0.676 |
| Data reduction software | XDS |
| Phasing software | PHASER |
| Refinement software | PHENIX ((phenix.refine: dev_1727)) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.000 |
| High resolution limit [Å] | 1.950 | 1.950 |
| Rmerge | 1.940 | |
| Number of reflections | 43451 | |
| <I/σ(I)> | 12.1 | 1.1 |
| Completeness [%] | 99.7 | 99.9 |
| Redundancy | 6.9 | 7.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.5 | 293 | 0.1 M sodium acetate pH 4.5, 5% (w/v) PEG 1000, 50% (v/v) ethylene glycol |
