Cyanogen bromide cleaves the peptide bond at:
A) the carboxyl side of Arginine and Lysine residues.
B) the carboxyl side of Methionine residues.
C) the amino terminus.
D) None of the above.
E) All of the above.

Question

Quizplus · Accepted Answer

Cyanogen bromide specifically cleaves peptide bonds at the carboxyl side of Methionine residues. It does not cleave bonds at the carboxyl side of Arginine and Lysine residues, nor does it cleave at the amino terminus.

Cyanogen Bromide Cleaves the Peptide Bond At