A decapeptide with hypotensive activity; stimulates smooth muscle and increases digestive secretions; its structure is similar to cholecystokinin and the gastrins, but much more potent as a stimulant to gallbladder contraction; also stimulates release of insulin. It inhibits fatty acid biosynthesis.
[fr. Cephalosporium caerulea, from which isolated]
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Examples: glitazone, GI cocktail, etc.