Enkephalin, Leucine-2-Alanine

**Definition:** A delta-selective opioid (ANALGESICS, OPIOID). It can cause transient depression of mean arterial blood pressure and heart rate.

**Tree numbers:** - D12.644.400.575.281.231.500 - D12.776.631.650.575.281.231.500

**Synonyms:** - D-Ala(2)-D-Leu(5)-Enkephalin - Leucine Enkephalin-2-Alanine - Leu-Enkephalin-2-Ala - Enkephalin-Leu,Ala(2) - 2-Alanyl-Leucine Enkephalin - 5-Leucine-2-Alanine Enkephalin - DADLE