3DIQ
Crystallization of the Thermotoga maritima lysine riboswitch bound to homoarginine
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 | CCD |
| Collection date | 2008-02-16 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 0.9795 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 53.746, 78.794, 140.069 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 20.000 - 2.700 |
| R-factor | 0.20384 |
| Rwork | 0.202 |
| R-free | 0.24134 |
| Structure solution method | REFMAC |
| Starting model (for MR) | 3dil |
| RMSD bond length | 0.005 |
| RMSD bond angle | 1.181 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | REFMAC |
| Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.800 |
| High resolution limit [Å] | 2.700 | 2.700 |
| Rmerge | 0.119 | 0.560 |
| Number of reflections | 16172 | 1479 |
| <I/σ(I)> | 13.2 | 2.4 |
| Completeness [%] | 94.9 | 89 |
| Redundancy | 4.7 | 4.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.7 | 293 | 18% PEG 4000, 0.1M Sodium Citrate, 20% isopropanol, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystallization Reagents
| ID | crystal ID | solution ID | reagent name | concentration | details |
| 1 | 1 | 1 | PEG 4000 | ||
| 2 | 1 | 1 | Sodium Citrate | ||
| 3 | 1 | 1 | isopropanol | ||
| 4 | 1 | 2 | PEG 4000 | ||
| 5 | 1 | 2 | Sodium Citrate | ||
| 6 | 1 | 2 | isopropanol |
