Wiktionary
obestatin
n. (context protein English) An oligopeptide sequence, present in ghrelin, that binds to a specific orphan receptor
Wikipedia
Obestatin
Obestatin is a hormone that is produced in specialized epithelial cells of the stomach and small intestine of several mammals including humans. Obestatin was originally identified as an anorectic peptide, but its effect on food intake remains controversial.