Pancreastatin (swine) is a 49-residue peptide which strongly inhibits glucose-induced insulin release. Pancreastatin (swine) can be isolated and characterized from porcine pancreas[1].
References
[1] Tatemoto K, et al. Pancreastatin, a novel pancreatic peptide that inhibits insulin secretion. Nature. 1986 Dec 4-10;324(6096):476-8. DOI:10.1038/324476a0
