" /> SARS-CoV-2 Spike Protein S1 - CISMeF





Preferred Label : SARS-CoV-2 Spike Protein S1;

NCIt synonyms : SARS2 Spike Protein S1; Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein S1; Spike Protein S1; Spike 1; S1 Subunit;

NCIt related terms : S1;

NCIt definition : Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein 1 (672 aa, 75 kDa) is encoded by the SARS-CoV-2 S gene. This protein plays a role in binding to host cell membranes and the initiation of viral infection.;

NCIt note : SARS-CoV-2 spike glycoprotein is sequentially cleaved to form spike protein S1 (amino acid residues 13-685), spike protein S2 (residues 686-1273) and spike protein S2' (residues 816-1273). S1 binds to angiotensin-converting enzyme 2, while S2 and S2' mediate fusion of the virion and cellular membranes. (UniProt);

NCI Metathesaurus CUI : CL1794635;

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31/07/2025


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