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.
蛋内含肽是一个蛋
体中的多肽序列,可以催化自身从蛋
体中断裂,
两侧的蛋
外显肽连接成成熟的蛋
。