lysine

[ lahy-seen, -sin ]

noun

, Biochemistry.

1. a crystalline, basic, amino acid, H 2 N(CH 2 ) 4 CH(NH 2 )COOH, produced chiefly from many proteins by hydrolysis, essential in the nutrition of humans and animals. : Lys; : K

lysine

/ -sɪn; ˈlaɪsiːn /

noun

1. an essential amino acid that occurs in proteins

lysine

/ lī′sēn′ /

1. An essential amino acid. Chemical formula: C 6 H 14 N 2 O 2 .
2. See more at amino acid

Word History and Origins

Origin of lysine¹

First recorded in 1890–95; lys- + -ine ²

Example Sentences

In fact, two amino acids, lysine and ornithine, became more abundant in the gut after infection.

From Science Daily

ADM was the subject of a nonfiction book titled “The Informant” in 2000, and an ensuing film starring Matt Damon, about a 1990s price-fixing scheme for the the animal feed additive lysine.

From Seattle Times

The study details the steps taken to create a form of the protein known as lysine 6 polyubiquitin, where a long chain of ubiquitin molecules are linked through the amino acid lysine.

From Science Daily

I have been taking niacin for years along with vitamin C and the amino acids lysine and proline.

From Seattle Times

But there’s one known mutation, dubbed E627K, that does so in a single bound by swapping an amino acid at a key position, a glutamate, for a lysine.

From Science Magazine