5C4A
Crystal structure of a transcribing RNA Polymerase II complex reveals a complete transcription bubble
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL11-1 |
Synchrotron site | SSRL |
Beamline | BL11-1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2005-06-21 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.978 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 219.830, 396.710, 273.640 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.910 - 4.200 |
R-factor | 0.2253 |
Rwork | 0.224 |
R-free | 0.24230 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3fki |
RMSD bond length | 0.010 |
RMSD bond angle | 1.070 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | BUSTER (2.10.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 200.000 | 4.330 |
High resolution limit [Å] | 4.200 | 4.200 |
Rmerge | 0.085 | 0.470 |
Number of reflections | 86781 | |
<I/σ(I)> | 14.2 | 2.1 |
Completeness [%] | 99.7 | 99.5 |
Redundancy | 4.5 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 289 | PEG 4000, POTASSIUM THIOCYANATE, MES, DTT |