7N44
Crystal structure of the SARS-CoV-2 (2019-NCoV) main protease in complex with 5-(3-{3-chloro-5-[(5-methyl-1,3-thiazol-4-yl)methoxy]phenyl}-2-oxo-2H-[1,3'-bipyridin]-5-yl)pyrimidine-2,4(1H,3H)-dione (compound 13)
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 | PIXEL |
| Collection date | 2021-02-14 |
| Detector | DECTRIS EIGER X 16M |
| Wavelength(s) | 0.97918 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 116.895, 53.309, 44.911 |
| Unit cell angles | 90.00, 101.89, 90.00 |
Refinement procedure
| Resolution | 57.190 - 1.940 |
| R-factor | 0.188 |
| Rwork | 0.186 |
| R-free | 0.21850 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 6y2e |
| Data reduction software | XDS |
| Data scaling software | XSCALE |
| Phasing software | PHENIX |
| Refinement software | PHENIX (1.19.2_4158) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 57.190 | 2.060 |
| High resolution limit [Å] | 1.940 | 1.941 |
| Number of reflections | 37866 | 5829 |
| <I/σ(I)> | 12.79 | |
| Completeness [%] | 96.7 | |
| Redundancy | 3.55536482953 | |
| CC(1/2) | 0.997 | 0.941 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 298 | 0.15 M DL-malic acid, pH 7.0, 0.1 M imidazole, pH 7.0, 22% v/v PEG550 MME |






