Question: 9 . Consider the tripeptide Y - E - S . a . Draw the structure of Y - E - S at physiological pH

9. Consider the tripeptide Y - E - S.a. Draw the structure of Y - E - S at physiological pH.b. Calculate the pl of the tripeptide (apply pkas from the chart for AA residues).10. Consider the peptide Cys-His-lle-Glu-Phe.a. Draw the structure of Cys-His-lle-Glu-Phe at physiological pH.b. Name the functional groups in each amino acid side chain in part a.c. Calculate the pl of this peptide (apply pKas from the chart for AA residues).

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