[viruses must first bind to their target cell's surface before infection can proceed; this is mediated by specific molecular receptors for certain viral antigens, many of which have other known functions; e.g., the MHC-II receptor CD4 is also an HIV receptor. ( CSP )]
UMLS (NCI) C0034848 - Amino Acid, Peptide, or Protein
- Receptor
Relation/PAR: Cell Surface Receptor