6ME2
XFEL crystal structure of human melatonin receptor MT1 in complex with ramelteon
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | FREE ELECTRON LASER |
Source details | SLAC LCLS BEAMLINE CXI |
Synchrotron site | SLAC LCLS |
Beamline | CXI |
Temperature [K] | 293 |
Detector technology | PIXEL |
Collection date | 2017-12-07 |
Detector | CS-PAD CXI-1 |
Wavelength(s) | 1.30 |
Spacegroup name | P 4 21 2 |
Unit cell lengths | 122.300, 122.300, 122.800 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.670 - 2.800 |
R-factor | 0.205 |
Rwork | 0.204 |
R-free | 0.22800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4s0v |
RMSD bond length | 0.008 |
RMSD bond angle | 0.940 |
Data reduction software | CrystFEL (0.6.2) |
Data scaling software | CrystFEL (0.6.2) |
Phasing software | PHASER (2.1) |
Refinement software | BUSTER (2.10.2) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.700 | 2.920 |
High resolution limit [Å] | 2.800 | 2.800 |
Number of reflections | 23567 | |
<I/σ(I)> | 7.9 | 0.33 |
Completeness [%] | 100.0 | 100 |
Redundancy | 1003 | 187.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | LIPIDIC CUBIC PHASE | 293 | 60-100 mM potassium phosphate monobasic, 32-35% (vol/vol) PEG 400, 100 mM HEPES pH 7.0, 1 mM ligand, 2.5% (vol/vol) DMSO, 1.5% (vol/vol) propan-2-ol |