7KD1
Apo structure of the THF riboswitch aptamer domain
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 19-ID |
| Synchrotron site | APS |
| Beamline | 19-ID |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2017-04-24 |
| Detector | DECTRIS PILATUS3 6M |
| Wavelength(s) | 0.97930 |
| Spacegroup name | P 31 2 1 |
| Unit cell lengths | 74.040, 74.040, 122.260 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 40.750 - 1.900 |
| R-factor | 0.2059 |
| Rwork | 0.205 |
| R-free | 0.22550 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 4lvv |
| Data reduction software | XDS (20200131) |
| Data scaling software | XSCALE (20200131) |
| Phasing software | PHASER |
| Refinement software | PHENIX (dev-3900) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 40.750 | 1.970 |
| High resolution limit [Å] | 1.900 | 1.900 |
| Rmerge | 0.026 | 3.639 |
| Rmeas | 0.028 | 3.985 |
| Rpim | 0.010 | 1.600 |
| Number of reflections | 30818 | 2962 |
| <I/σ(I)> | 29.4 | 0.6 |
| Completeness [%] | 98.7 | 97.21 |
| Redundancy | 7.34 | 6.07 |
| CC(1/2) | 1.000 | 0.488 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 293 | 100 mM MES, pH 5.6, 200 mM NaCl, 2.5 M ammonium sulfate |
