Histidine is an amino acid with three titratable groups: an - NH3+ group (pKa = 9.2), a -COOH group 1
a. Identify which point on the titration curve corresponds to the pKa for each of the titratable groups, and which point corresponds to the pI. Explain your choices.
b. Calculate the value of pI for histidine.
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Question Posted: April 21, 2016 04:10:18