[lahy-seen, -sin] /ˈlaɪ sin, -sɪn/

noun, Biochemistry.
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. Symbol: K.
Abbreviation: Lys;
/ˈlaɪsiːn; -sɪn/
an essential amino acid that occurs in proteins

lysine ly·sine (lī’sēn’, -sĭn)
Abbr. Lys
An essential amino acid derived from the hydrolysis of proteins and required by the body for optimum growth.
An essential amino acid. Chemical formula: C6H14N2O2. See more at amino acid.


Read Also:

  • Lysinemia

    lysinemia ly·si·ne·mi·a (lī’sə-nē’mē-ə) n. Increased concentration of lysine in the blood, associated with mental and physical retardation.

  • Lysinogenic

    lysinogenic ly·si·no·gen·ic (lī’sə-nō-jěn’ĭk) adj. Of or having the property of a lysinogen.

  • Lysinogen

    lysinogen ly·sin·o·gen (lī-sĭn’ə-jən, -jěn’) n. An antigen that stimulates the formation of a specific lysin.

  • Lysinuria

    lysinuria ly·si·nu·ri·a (lī’sə-nur’ē-ə, -nyur’-) n. The presence of lysine in the urine.

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