leucine-enkephalin
leu·cine–en·keph·a·lin
noun \ˈlü-ˌsēn-en-ˈkef-ə-lən\Definition of LEUCINE-ENKEPHALIN
: a pentapeptide having a terminal leucine residue that is one of the two enkephalins occurring naturally in the brain—called also Leu-enkephalin








