intein

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.

蛋白肽是一个蛋白前体的多肽序列，可以催化自身从蛋白前体断裂，使两侧的蛋白外显肽连接成成熟的蛋白。