Peptide
Peptide
A peptide is any member of a class of compounds of low molecular weight which yield two or more amino acids on hydrolysis. Formed by loss of water from the NH2 and COOH groups of adjacent amino acids, they are known as di-, tri-, tetra-, etc., peptides, depending on the number of amino acids in the molecule. Peptides form the constituent parts of proteins.
Peptide are a class of substances prepared by synthesis from amino acids and are intermediate in molecular weight and chemical properties between the amino acids, which can be made artificially, and the proteins, which cannot. A chain of peptides is referred to as a polypeptide.
References
Thomas, C.L. 1985. Taber's Cyclopedic Medical Dictionary. F.A. Davis Co. Pub., Philadelphia. 2170.
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