What is the role of chymotrypsin in protein sequencing?

• A. Chymotrypsin cleaves peptide bonds at the amino side of methionine residues.
• B. Chymotrypsin cleaves peptide bonds at the carboxyl side of aromatic amino acids.
• C. Chymotrypsin cleaves peptide bonds only at the N-terminal end of the protein.
• D. Chymotrypsin cleaves peptide bonds randomly throughout the protein.

Answer: (B)