肽序列

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中的多肽序列，可以催化身从白质前体中断裂，两侧的白质外显肽连接成成熟的白质。