Definitions for lysineˈlaɪ sin, -sɪn

This page provides all possible meanings and translations of the word lysine

Random House Webster's College Dictionary

ly•sineˈlaɪ sin, -sɪn(n.)

  1. a crystalline, basic, essential amino acid, H2N(CH2)4CH(NH2)COOH, produced chiefly from many proteins by hydrolysis.

    Category: Biochemistry

    Ref: Abbr.: Lys 2; Symbol: K 3 6

Origin of lysine:

1890–95; lys(is)+ -ine2

Princeton's WordNet

  1. lysine(noun)

    an essential amino acid found in proteins; occurs especially in gelatin and casein

Wiktionary

  1. lysine(Noun)

    An essential amino acid CHNO found in most animal proteins; essential for growth especially in children.

Freebase

  1. Lysine

    Lysine is an α-amino acid with the chemical formula HO2CCH(CH2)4NH2. It is an essential amino acid for humans. Lysine's codons are AAA and AAG. Lysine is a base, as are arginine and histidine. The ε-amino group often participates in hydrogen bonding and as a general base in catalysis. Common posttranslational modifications include methylation of the ε-amino group, giving methyl-, dimethyl-, and trimethyllysine. The latter occurs in calmodulin. Other posttranslational modifications at lysine residues include acetylation and ubiquitination. Collagen contains hydroxylysine, which is derived from lysine by lysyl hydroxylase. O-Glycosylation of hydroxylysine residues in the endoplasmic reticulum or Golgi apparatus is used to mark certain proteins for secretion from the cell.

U.S. National Library of Medicine

  1. Lysine

    An essential amino acid. It is often added to animal feed.

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