6UTW
E. coli sigma-S transcription initiation complex with a 4-nt RNA ("Fresh" crystal)
This is a non-PDB format compatible entry.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 24-ID-E |
Synchrotron site | APS |
Beamline | 24-ID-E |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2017-06-09 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.97918 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 132.990, 155.447, 234.735 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 49.396 - 3.854 |
Rwork | 0.268 |
R-free | 0.32930 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 5ipl |
RMSD bond length | 0.006 |
RMSD bond angle | 1.389 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0257) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 49.400 | 4.090 |
High resolution limit [Å] | 3.850 | 3.850 |
Number of reflections | 43708 | 6652 |
<I/σ(I)> | 8.85 | 0.49 |
Completeness [%] | 93.7 | 90.2 |
Redundancy | 3.54 | 3.25 |
CC(1/2) | 0.999 | 0.193 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 295 | PEG3350, sodium chloride, HEPES |