4GZZ
Crystal structures of bacterial RNA Polymerase paused elongation complexes
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 24-ID-C |
Synchrotron site | APS |
Beamline | 24-ID-C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2011-11-04 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.91956 |
Spacegroup name | H 3 |
Unit cell lengths | 286.549, 286.549, 199.411 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 38.785 - 4.293 |
R-factor | 0.237 |
Rwork | 0.234 |
R-free | 0.28490 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2o5i |
RMSD bond length | 0.005 |
RMSD bond angle | 0.934 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | PHENIX (1.8_1069) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 45.000 | 45.000 | 4.070 |
High resolution limit [Å] | 4.000 | 10.810 | 4.000 |
Rmerge | 0.442 | 0.719 | |
Number of reflections | 51877 | ||
<I/σ(I)> | 4.9 | ||
Completeness [%] | 99.5 | 99.8 | 97.7 |
Redundancy | 5.9 | 5.9 | 4.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.2 | 295 | 5-7% PEG 3000, 0.1M MES pH 6.1-6.3, 0.3M LiCl, 10mM MgCl2, vapor diffusion, hanging drop, temperature 295K |