![Met Enkephalin [Lys 6] - Echelon Biosciences](https://www.echelon-inc.com/wp-content/uploads/2019/11/310-59.jpg "310-59")
CAS Number: 75909-25-0
Molecular Weight: 701.32
Salt Form: TFA
Purity: >96%
Sequence (3-letter): Tyr-Gly-Gly-Phe-Met-Lys-OH
Sequence (1-letter): YGGFMK-OH
Storage: -20 °C or below
Met Enkephalin [Lys6] is a hexapeptide analog of Met-enkephalin. Enkephalins are endogenous neuropeptides which bind to the delta and mu opiod receptors and regulate nociception. Two forms of enkephalin exist: Leu-enkephalin (Tyr-Gly-Gly-Phe-Leu) and Met-enkephalin (Tyr-Gly-Gly-Phe-Met).
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