SARS-CoV-2 Spike Protein S1

**Semantic type:** Amino Acid, Peptide, or Protein

**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.

**Synonyms:** - S1 - S1 Subunit - SARS2 Spike Protein S1 - Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein S1 - Spike 1 - Spike Protein S1