1.2 Acid-Base Chemistry of Amino Acids Flashcards
1
Q
What are amphoteric species
A
Species that can donate or accept electron
2
Q
pKa value of carboxyl group in amino acids
A
2
3
Q
pKa value of amino group in amino acids
A
9-10
4
Q
pI of neutral amino acid
A
(pKa(NH3+) + pKa (COOH))/2
5
Q
pI of acidic amino acid
A
(pKa(R group) + pKa(COOH))/2
6
Q
pI of basic amino acid
A
(pKa(NH3+) + pKa(R group))/2
