3S17
RNA Polymerase II Initiation Complex with a 9-nt RNA
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 | CCD |
| Collection date | 2009-06-22 |
| Detector | MARMOSAIC 325 mm CCD |
| Wavelength(s) | 0.979 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 159.965, 220.896, 192.030 |
| Unit cell angles | 90.00, 98.16, 90.00 |
Refinement procedure
| Resolution | 43.650 - 3.200 |
| R-factor | 0.1908 |
| Rwork | 0.188 |
| R-free | 0.23650 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.009 |
| RMSD bond angle | 1.260 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Refinement software | BUSTER-TNT (BUSTER 2.8.0) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 3.310 |
| High resolution limit [Å] | 3.200 | 6.890 | 3.200 |
| Rmerge | 0.124 | 0.043 | 0.691 |
| Number of reflections | 109833 | ||
| <I/σ(I)> | 6.1 | ||
| Completeness [%] | 100.0 | 99.7 | 100 |
| Redundancy | 3.9 | 3.8 | 3.8 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION | 6 | 293 | 390mM (NH4)2HPO4/NaH2PO4, pH 6.9, 50mM dioxane, 9-11% PEG 6,000, 15mM DTT, vapor diffusion, temperature 293K, VAPOR DIFFUSION |
