(Answered) Can you calculate the pi equivalence point for the

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Can you calculate the pI (equivalence point) for the following peptide?

Phe-Lys-Glu-Asp-Lys-Ser-Ala (Note: there is only one alpha-carboxyl at the C terminus and one alpha-amino group at the N terminus and don't forget to take into account the ionizable side chain groups!)

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