Synonyms: | Proline,1-[1-[N-[N-[1-[1-[1-[N-[N-[N2-(5-oxo-L-prolyl)-L-lysyl]-L-tryptophyl]-L-a-aspartyl]-L-prolyl]-L-prolyl]-L-prolyl]-L-valyl]-L-seryl]-L-prolyl]-,L- (8CI); Bradykinin-potentiating peptide E (Agkistrodon halys blomhoffiivenom); L-Proline,1-[1-[N-[N-[1-[1-[1-[N-[N-[N2-(5-oxo-L-prolyl)-L-lysyl]-L-tryptophyl]-L-a-aspartyl]-L-prolyl]-L-prolyl]-L-prolyl]-L-valyl]-L-seryl]-L-prolyl]- |