Cyanogen bromide (CNBr) cleaves proteins
A) after positively charged residues, such as K & R.
B) after negatively charged residues, such as D & E
C) after aromatic residues, such as Y & W.
D) after methionine residues.

Question

Quizplus · Accepted Answer

Cyanogen bromide (CNBr) specifically cleaves proteins after methionine residues, producing a methionine residue at the N-terminus of the resulting peptides.

Cyanogen Bromide (CNBr) Cleaves Proteins