[Abstract]
The receptor binding domain (RBD) of the spike protein of SARS-CoV-2 binds angiotensin converting enzyme-2 (ACE-2) on the surface of epithelial cells, leading to fusion, and entry of the virus into the cell. This interaction can be blocked by the binding of llama-derived nanobodies (VHHs) to the RBD, leading to virus neutralisation. Structural
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