The C-terminal residue of a polypeptide can be determined by first cleaving the polypeptide with:
A) chymotrypsin.
B) carboxypeptidase.
C) trypsin.
D) CNBr.
E) none of the above.

Name: The C-terminal residue of a polypeptide can be determined by first cleaving the polypeptide with: A) chymotrypsin. B) carboxypeptidase. C) trypsin. D) CNBr. E) none of the above.
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Question

Quizplus · Accepted Answer

Carboxypeptidase cleaves peptide bonds at the C-terminal end, releasing the terminal amino acid residue.

The C-Terminal Residue of a Polypeptide Can Be Determined by First