α-Amino-n-caproic acid; 2-aminohexanoic acid; an α-amino acid, isomer of leucine and isoleucine, but not found in proteins; a deamination product of l-lysine, to which it is linked in collagens. SYN: glycoleucine.
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nor·leu·cine (')nȯr-'lü-.sēn n a crystalline amino acid C6H13NO2 isomeric with leucine
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nor·leu·cine (nor-looґsēn) chemical name: 2-aminohexanoic acid. A nonessential amino acid extracted from the leucine fraction of the decomposition of the proteins of nervous tissue. It has been synthesized.Medical dictionary. 2011.