Alpha coat protein, Alpha COP, Alpha COPI, AlphaCOP, Coatomer protein complex subunit alpha, Coatomer subunit alpha, COP A, COP I alpha, COPA, COPI alpha, FLJ26320, HEP COP, HEPCOP, Proxenin, Xenin, Xenopsin-related peptide, COPA_HUMAN.
COPA (alpha-coat protein) is processed to produce Xenin. Xenin stimulates exocrine pancreatic secretion to affect small and large intestinal motility, and inhibits pentagastrin-stimulated secretion of acid. In the gut, Xenin interacts with the neurotensi