3LTI
Crystal structure of the Escherichia coli RNA polymerase beta subunit beta2-betai4 domains
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X3A |
Synchrotron site | NSLS |
Beamline | X3A |
Temperature [K] | 180 |
Detector technology | CCD |
Collection date | 2009-07-24 |
Detector | MAR CCD 165 mm |
Wavelength(s) | 0.9919 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 106.314, 52.039, 61.826 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 14.980 - 1.600 |
R-factor | 0.20884 |
Rwork | 0.208 |
R-free | 0.22955 |
Structure solution method | SAD |
RMSD bond length | 0.008 |
RMSD bond angle | 1.134 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SHARP |
Refinement software | REFMAC (5.5.0091) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.640 |
High resolution limit [Å] | 1.600 | 1.600 |
Number of reflections | 42737 | |
<I/σ(I)> | 40 | 5.1 |
Completeness [%] | 98.5 | 94 |
Redundancy | 7 | 6.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | 0.2 M potassium-sodium tartrate, 20% PEG 3350, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |