8CWI
Fab arm of antibody 10G4 bound to CoV-2 receptor binding domain (RBD)
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 |
| Synchrotron site | Australian Synchrotron |
| Beamline | MX2 |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2021-07-21 |
| Detector | DECTRIS EIGER X 16M |
| Wavelength(s) | 0.953651 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 53.691, 88.639, 81.398 |
| Unit cell angles | 90.00, 95.03, 90.00 |
Refinement procedure
| Resolution | 46.562 - 1.873 |
| R-factor | 0.1716 |
| Rwork | 0.170 |
| R-free | 0.20490 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | generic fab and RBD |
| RMSD bond length | 0.006 |
| RMSD bond angle | 0.851 |
| Data reduction software | XDS |
| Data scaling software | Aimless (0.7.4) |
| Phasing software | PHASER (2.8.3) |
| Refinement software | PHENIX (1.11.1_2575) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 46.562 | 46.560 | 1.920 |
| High resolution limit [Å] | 1.870 | 8.980 | 1.870 |
| Rmerge | 0.073 | 0.028 | 0.751 |
| Rmeas | 0.079 | 0.030 | 0.808 |
| Rpim | 0.030 | 0.011 | 0.297 |
| Total number of observations | 4067 | 27947 | |
| Number of reflections | 61471 | 593 | 3872 |
| <I/σ(I)> | 14.5 | 50.8 | 2.5 |
| Completeness [%] | 98.5 | 99.1 | 96.3 |
| Redundancy | 7.1 | 6.9 | 7.2 |
| CC(1/2) | 0.999 | 0.999 | 0.862 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5 | 293 | Equal volumes (0.4 uL) of protein solution (~5 mg/mL in 25 mM Tris (pH 8.0), 200 mM NaCl) were combined with well solution (200 mM MgCl2, 100 mM sodium acetate (pH 5.0), 20 % (w/v) PEG6000) in a sitting drop format. |
