7U55
Crystal structure of Thermoplasmatales archaeon heliorhodopsin at pH 4.5
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 23-ID-B |
Synchrotron site | APS |
Beamline | 23-ID-B |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2019-11-09 |
Detector | DECTRIS EIGER X 16M |
Wavelength(s) | 1.033 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 89.848, 47.974, 56.688 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 47.940 - 1.970 |
R-factor | 0.2003 |
Rwork | 0.198 |
R-free | 0.22260 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 6is6 |
RMSD bond length | 0.009 |
RMSD bond angle | 1.133 |
Data reduction software | xia2 |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | PHENIX (1.15.2_3472) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.940 | 2.020 |
High resolution limit [Å] | 1.970 | 1.970 |
Number of reflections | 16754 | 1100 |
<I/σ(I)> | 4.3 | 1.3 |
Completeness [%] | 94.4 | 89.2 |
Redundancy | 3.3 | 2.2 |
CC(1/2) | 0.980 | 0.720 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 307.15 | Bicelle crystallization with 5 mg/mL protein in 8% bicelle (2.8:1 DMPC:CHAPSO). Crystallization condition is 26% polyethylene glycol 3350, 0.1 M sodium phosphate monobasic monohydrate at pH 4.5, 0.28 M ammonium sulfate, 0.18 M 1,6-hexanediol |