7M7W
Antibodies to the SARS-CoV-2 receptor-binding domain that maximize breadth and resistance to viral escape
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL9-2 |
| Synchrotron site | SSRL |
| Beamline | BL9-2 |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2021-03-21 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.97946 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 86.185, 66.402, 237.659 |
| Unit cell angles | 90.00, 94.34, 90.00 |
Refinement procedure
| Resolution | 50.010 - 2.650 |
| R-factor | 0.2236 |
| Rwork | 0.221 |
| R-free | 0.27100 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 7jx3 homology models of S2X259 Fab and S2H97 Fab |
| RMSD bond length | 0.002 |
| RMSD bond angle | 0.817 |
| Data reduction software | XDS (VERSION Jan 31, 2020 BUILT=20200417) |
| Data scaling software | Aimless |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.8.0267) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 63.940 | 63.940 | 2.700 |
| High resolution limit [Å] | 2.650 | 13.250 | 2.650 |
| Rmerge | 0.149 | 0.025 | 2.494 |
| Rmeas | 0.161 | 0.028 | 2.696 |
| Rpim | 0.060 | 0.011 | 1.013 |
| Total number of observations | 533127 | 4471 | 30649 |
| Number of reflections | 77307 | 678 | 4482 |
| <I/σ(I)> | 10.9 | 49.5 | 0.8 |
| Completeness [%] | 98.6 | 98.3 | 98.3 |
| Redundancy | 6.9 | 6.6 | 6.8 |
| CC(1/2) | 0.997 | 1.000 | 0.360 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 30% Precipitant Mix 2 (Molecular Dimensions; ethylene glycol, PEG8000), 0.1 M Buffer System 3, pH 8.5 (Molecular Dimensions; Tris (base)/BICINE), 0.12 M Monosaccharides Mix (Molecular Dimensions), 0.02 M sodium chloride, 0.01 M MES, pH 6, 3% v/v Jeffamine ED-2003 |
