Abstract: Protein splicing , which is an intein mediated posttranslational processing, involves a series of intramolecular cleavage-ligation reactions.

• 蛋白质剪接是蛋白质内含肽介导的，一种在蛋白质水平上翻译后的加工过程，它由一系列分子内的剪切-连接反应组成。