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1Estimate the net charge of a peptide Ser-Glu-Pro-Ile-Met-Ala-Pro-Val-Glu-Tyr-Pro-Lys at pH 7.0 and at pH 12.0.Typical ranges observed for pk, values of groups in protein: a-carboxyl group (3.5-4.0), side chain carboxylgroup (4.0-4.8), a-amino group (8.0-9.0), phenolic group (9.5-10.5), side chain amino group (9.8-10.4).a. -1, -4b. -4,-1C. -4,-4d. -1, -1 |
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