polypeptide

IPA: pˈɑɫɪpˈɛptaɪd

(organic chemistry) Any polymer of (same or different) amino acids joined via peptide bonds.
(biochemistry) Any such polymer that is not folded into a secondary structure of a protein.
(biochemistry) A small protein containing up to 100 amino acids; see also oligopeptide.

Examples of "polypeptide" in Sentences

This greatly reduces errors in polypeptide chain elongation, and is therefore highly favored by natural selection.
For awhile I was studying up on the presence of d-aa in polypeptide chains, with these peptides being produced biotically.
In the 1950s to 1970s, molecular biologists were sure that each DNA sequence could not encode more than one polypeptide chain.
A larger number of these amino acids combined are called a polypeptide or protein, and these are chemically active in making a living being.
But you, Mr. and Ms. Olympic “Could Be If You Only Made an Effort” Athlete, you are fully entitled to the rush to be gained from endogenous opioid polypeptide compounds.
Many hormones are of a polypeptide nature, and in 1955 Vincent du Vigneaud of Cornell University was given the prize for his synthesis of two such hormones, vasopressin and oxytocin.
Although several constituents of bitter melon have hypoglycemic properties, most interest has focused on a polypeptide isolated from the seeds called polypeptide-p and a mixture of two steroid glycosides referred to as charantin.
Secretin and other hormones of similar nature are built up of amino acid chains containing more than a dozen and less than a hundred amino acids and are therefore sometimes called polypeptide hormones rather than protein hormones.