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Keyword - Host cell receptor for virus entry (KW-1183)

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Cell surface protein used by a virus as an attachment and entry receptor. In some cases, binding to a cellular receptor is not sufficient for infection: an additional cell surface molecule, or coreceptor, is required for entry. Some viruses are able to use different receptors depending on the target cell type. In prokaryotic viruses, cell receptor for virus entry can also be localized on host outer membrane, pilus or flagellum.


  • Viral receptor activity


Molecular function

Gene Ontology


virus receptor activity [ GO:0001618 ]


ReceptorMolecular functionHost cell receptor for virus entry
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