Enkephalin, Leucine

5-Leucine Enkephalin; Leu(5)-Enkephalin; Leu-Enkephalin; 5 Leucine Enkephalin; Enkephalin, 5-Leucine; Leu Enkephalin
Tyrosylglycylglycylphenylalanylleucine. Endogenous pentapeptide with morphine-like activity. The amino acid in position 5 is leucine.