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.
质内含肽是一个
质前体中
多肽
,
以催化自身从
质前体中断裂,
两侧
质外显肽连接成成熟
质。