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What is pKa value of aminoacids?

Updated: 4/28/2022
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14y ago

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The pKa values of Amino acids depends on its side chain. However, the protonated amine group (NH3+) tends to have a pKa greater than 8.8, whereas the carboxylic acid (COOH) tends to have a pKa of 1.8 - 2.8. If you keep your amino acid at a pH between this value, you will likely have a Zwitter ion.

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14y ago
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Q: What is pKa value of aminoacids?
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