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
质前体中的多
序列,可以催化自身
质前体中断裂,使两侧的
质外显
连接成成熟的
质。