6DVE
Crystal structure of Mycobacterium tuberculosis transcription initiation complex(ECF selenomethionine-labelled sigma factor L) with 6 nt spacer
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 | 2017-04-11 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.987 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 142.762, 160.613, 240.181 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 46.680 - 3.812 |
R-factor | 0.2018 |
Rwork | 0.200 |
R-free | 0.24830 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.002 |
RMSD bond angle | 0.492 |
Data reduction software | iMOSFLM |
Data scaling software | HKL-2000 |
Phasing software | PHENIX |
Refinement software | PHENIX (1.12_2829) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 3.870 |
High resolution limit [Å] | 3.800 | 3.800 |
Rmerge | 0.178 | 0.873 |
Number of reflections | 50281 | |
<I/σ(I)> | 5.1 | |
Completeness [%] | 92.1 | 79.3 |
Redundancy | 9.3 | 5.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 295 | 100 mM sodium citrate tribasic dihydrate, pH 5.5, 200 mM sodium acetate, and 10% PEG4000 |