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

Zein, the principal protein of corn contains no glycine, lysine, or tryptophane.

From Project Gutenberg