单词	lysine
释义	lysine /ˈlʌɪsiːn / noun [mass noun] Biochemistry A basic amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates. Chemical formula: NH2(CH2)4CH(NH2)COOH. Hydroxyl radicals oxidize amino acids such as lysine, serine, arginine, and proline.... Arginine appears to counteract the hypercholesterolemic effect of the essential amino acids lysine and methionine. The most prevalent amino acid is cysteine with other major ones including tyrosine, histidine, lysine and arginine. Origin Late 19th century: from German Lysin, based on lysis.
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