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. 2014 Oct 20;115(6):2296–2349. doi: 10.1021/cr5003529

Figure 42.

Figure 42

Intein-mediated protein splicing. (a) Mechanism of intein autoprocessing. (b) Recombinant preparation of a protein α-thioester using a mutated intein. Thiolysis is mediated by a large excess of soluble thiol, such as sodium 2-mercaptoethanesulfonate (MesNa).