6XA4
Crystal structure of the SARS-CoV-2 (COVID-19) main protease in complex with UAW241
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 | 2020-05-29 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.978 |
| Spacegroup name | C 1 2 1 |
| Unit cell lengths | 113.538, 54.204, 45.414 |
| Unit cell angles | 90.00, 100.71, 90.00 |
Refinement procedure
| Resolution | 38.540 - 1.650 |
| R-factor | 0.2002 |
| Rwork | 0.198 |
| R-free | 0.23930 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 6yb7 |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.631 |
| Data reduction software | HKL-3000 |
| Data scaling software | HKL-3000 |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.8.0258) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 1.680 |
| High resolution limit [Å] | 1.650 | 4.480 | 1.650 |
| Rmerge | 0.065 | 0.039 | 0.633 |
| Rmeas | 0.075 | 0.045 | 0.748 |
| Rpim | 0.036 | 0.022 | 0.389 |
| Total number of observations | 131233 | ||
| Number of reflections | 32214 | 1670 | 1542 |
| <I/σ(I)> | 8.2 | ||
| Completeness [%] | 98.2 | 97.9 | 94.1 |
| Redundancy | 4.1 | 4.1 | 3.3 |
| CC(1/2) | 0.998 | 0.675 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 298 | 20% PEG3000, 0.1 M sodium citrate, pH 5.6 |
