polypeptide /poly·pep·tide/ (-pep´tīd) a peptide containing more than two amino acids linked by peptide bonds.
polypeptide
vasoactive intestinal polypeptide a hormone that has vasoactive properties, stimulates intestinal secretion of water and electrolytes, inhibits gastric secretion, promotes glycogenolysis, causes hyperglycemia, and stimulates production of pancreatic juice.
pol·y·pep·tide (p l  -p p t d)n. A peptide containing many amino acids, typically between 10 and 100. |
polypeptide
[pol′ēpep′tīd]
a long chain of amino acids joined by peptide bonds. Very long polypeptides are usually called proteins. Polypeptides may be formed by partial hydrolysis of proteins or synthesized from free amino acids.
polypeptide
a compound containing two or more amino acids linked by a peptide bond; called dipeptide, tripeptide, etc., depending on the number of amino acids present.
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