polypeptide

[pol-ee-pep-tahyd, -tid]

noun

Biochemistry.

1. a chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.

polypeptide

/ ˌpɒlɪˈpɛptaɪd /

noun

1. any of a group of natural or synthetic polymers made up of amino acids chemically linked together; this class includes the proteins See also peptide

polypeptide

1. A peptide, such as a small protein, containing many molecules of amino acids, typically between 10 and 100.

Word History and Origins

Origin of polypeptide¹

First recorded in 1900–05; poly- + peptide

Example Sentences

Glucose and insulin levels were measured, as were ghrelin, glucagon-like peptide 1 and pancreatic polypeptide -- hormones associated with the consumption of food.

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Meanwhile, when NS3pro detects a viral polypeptide to cut, it forces the complex into the closed conformation, becoming a protease.

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It’s not a knowing problem, so forget about the polypeptides.

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Then signs of injury to the brain - called neurofilament light polypeptide, which is essentially the rubble from damaged brain cells - started to appear in the blood.

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Insulin was a more complex hormone, with 51 proteins and two polypeptide chains that had to be connected, but the scientists simply applied the technique they had already developed for somatostatin.

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