One of the 20 different organic molecules that are joined together to form a polypeptide chain or a protein the twenty amino acids share a common backbone, but each has a specific side-group.
20种不同的有机分子结合起来组成多肽链或蛋白质。这20个氨基酸主结构相同，但每种又分别有各自不同的侧基团。
It is the only carrier of a side chain primary amino group in proteins, having important structural and chemical roles.
它是一个侧链伯氨基的蛋白质，具有重要的结构和化学作用的唯一载体。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
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