One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.
Subtype terms (1)
More specific conditions that are subtypes of Enkephalin, Methionine in the MeSH hierarchy.