6RV3
Crystal structure of the human two pore domain potassium ion channel TASK-1 (K2P3.1) in a closed conformation with a bound inhibitor BAY 1000493
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I24 |
Synchrotron site | Diamond |
Beamline | I24 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2018-10-07 |
Detector | DECTRIS PILATUS3 6M |
Wavelength(s) | 0.9686 |
Spacegroup name | P 2 21 21 |
Unit cell lengths | 45.070, 204.500, 239.320 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 41.310 - 2.900 |
R-factor | 0.235 |
Rwork | 0.235 |
R-free | 0.24200 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4bw5 |
RMSD bond length | 0.008 |
RMSD bond angle | 0.920 |
Data reduction software | XDS (VERSION Jan 26, 2018) |
Data scaling software | XSCALE (VERSION Jan 26, 2018) |
Phasing software | PHASER (2.7.17) |
Refinement software | BUSTER (2.10.3) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 44.291 | 3.005 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.168 | 0.745 |
Rmeas | 0.194 | 0.860 |
Rpim | 0.094 | 0.421 |
Number of reflections | 40478 | 2024 |
<I/σ(I)> | 7.2 | 2.5 |
Completeness [%] | 80.0 | 40 |
Redundancy | 3.9 | 3.8 |
CC(1/2) | 0.998 | 0.795 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | 0.1 M TRIS pH 8.5, 0.05 M KCl, 24% v/v PEG 400, 3% w/v sucrose |