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Which two ionization states of lysine are present at pH 7 in what and ratio? Show calculation

  • Biochemistry - ,

    To gret you started L-lysine has three pKa's: pKa1=2.20, pKa2=8.90 and pKa3=10.28.

    If we start below pH=2 the charge on the molecule is +2. At pH=7 which of the three groups are protonated?

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