what-role-does-the-nucleophilic-sulfur-in-methionine-play-in-the-mechanism-of-cy

Question

What role does the nucleophilic sulfur in methionine play in the mechanism of cyanogen bromide-mediated cleavage?

Accepted Answer

Acts as a nucleophile in an SN2 reaction, attacking the carbon adjacent to the bromine.

Answer

Forms a disulfide bridge.

Answer

Binds to the peptide backbone, preventing cleavage.

Answer

Is oxidized to form sulfoxide.