Intein is an intervening polypeptide which can catalytic self-cleavage from a pre-protein accompanied by the concomitant joining of the two flanking polypeptides (the extein) through a peptide bond.
蛋白质内含肽是一个蛋白质前体中多肽序列,
化自身从蛋白质前体中断裂,
两侧
蛋白质外显肽连接
蛋白质。