Term Name:	Arg-Trp-Ser-Tyr
Synonyms:	L-Arg-L-Trp-L-Ser-L-Tyr, L-arginyl-L-tryptophyl-L-seryl-L-tyrosine, R-W-S-Y, RWSY
Definition:	A tetrapeptide composed of L-arginine, L-tryptophan, L-serine, and L-tyrosine joined in sequence by peptide linkages.
Ontology:	ChEBI [CHEBI:73405]  ( EBI )