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.
白质内含肽是一个
白质前体
的多肽序列,可以催化自身从
白质前体
断裂,使两侧的
白质外显肽连接成成熟的
白质。