[D-Ala2] Met-Enkephalin, amide

[D-Ala2]-Met-Enkephalinamide, an opioid peptide, is a potent opioid agonist. [D-Ala2]-Met-Enkephalinamide decreases bile flow by a central mechanism. [D-Ala2]-Met-Enkephalinamide has analgesic properties.