Proposed model for how human coronavirus HKU1 engages the host cell. (IMAGE)

Utrecht University

Proposed model for how human coronavirus HKU1 engages the host cell.

Caption

The spike protein tilts towards the host cell membrane so that it can bind to its primary sugar receptor. This interaction then triggers opening of the spike so that it can bind to a protein receptor that is required for cell entry.

Credit

Utrecht University, created with BioRender.com

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