CAS Number: 58822-25-6
Molecular Weight: 555.27
Salt Form: TFA
Purity: >96%
Sequence (3-letter): Tyr-Gly-Gly-Phe-Leu-OH
Sequence (1-letter): YGGFL-OH
Storage: -20 °C or below
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).
![Angiotensin I [Val5,Asn9], bullfrog](https://www.echelon-inc.com/wp-content/uploads/2019/11/137-36-e1574459651494.jpg)