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

/ pŏl′ē-pĕp′tīd′ /

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.

From Science Daily

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

From Science Daily

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

From Washington Post

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.

From BBC

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.

From Washington Post