Term Name:	cyclo(L-His-L-Pro)
Synonyms:	(3S,8aS)-3-[(1H-imidazol-5-yl)methyl]hexahydropyrrolo[1,2-a]pyrazine-1,4-dione, cyclo(His-Pro), cyclo(histidyl-prolyl), cyclo(L-His-L-Pro), His-Pro-DKP, histidyl-proline diketopiperazine, histidyl-proline-diketopiperazine, histidylproline diketopiperazine, L,L-cyclo(histidylprolyl), L-His-L-Pro-DKP, L-histidyl-L-proline diketopiperazine
Definition:	A homodetic cyclic peptide resulting from the formal condensation of both the amino and acid groups of L-histidine with the acid and amino groups of L-proline. It is a metabolite of thyrotropin-releasing hormone (TRH).
Ontology:	ChEBI [CHEBI:90039]  ( EBI )