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4. Protein Structure - 6! 1부

4. Protein Structure / Determining Net Charge of a Peptide / 문제 13

문제 13

Given a peptide with the following ionizable groups: N-terminus (pKa 8.0), C-terminus (pKa 3.1), and a glutamic acid side chain (pKa 4.1), what is the net charge at pH 7.4?

A

+1

B

0

C

+2

D

-1