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A nonessential amino acid, C3H7NO2, that is a constituent of many proteins.
[German Alanin, ultimately from Aldehyd, aldehyde; see aldehyde.]
alanine(ˈæləˌniːn; -ˌnaɪn) or
(Biochemistry) a nonessential aliphatic amino acid that occurs in many proteins
[C19: from German Alanin, from al(dehyde) + -an- (euphonic infix) + -in -ine2]
al•a•nine(ˈæl əˌnin, -nɪn)
any of several isomers of a colorless, crystalline, water-soluble amino acid, CH3CH(NH2)COOH, found in many proteins and produced synthetically: used chiefly in biochemical research. Abbr.: Ala; Symbol: A
A nonessential amino acid. See more at amino acid.