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Biology LibreTexts

6.IV: Proteolytic enzymes

  • Page ID
    7272
  • A. Trypsin preferentially cleaves peptides on the C-side of Lys or Arg residues.

    B. Chymotrypsin preferentially cleaves peptides on the C-side of Phe, Tyr or Trp residues.

    C. Cyanogen bromide (CNBr) cleaves on the C-side of Met residues and converts the Met residue to a homoserine lactone. The complete reaction is shown below.