Term Name:	Asp-Pro-Ser-Ser
Synonyms:	D-P-S-S, DPSS, L-alpha-aspartyl-L-prolyl-L-seryl-L-serine, L-Asp-L-Pro-L-Ser-L-Ser
Definition:	A tetrapeptide composed of L-aspartic acid, L-proline and two L-serine units joined by peptide linkages.
Ontology:	ChEBI [CHEBI:73439]  ( EBI )