What is the pKa for arginine?
What is the pKa for arginine? Amino acid pKa1 pKa2 Glutamic acid 2.19 9.67 Lysine 2.18 8.95 Arginine 2.17 9.04 Histidine 1.82 9.17 Does arginine have a high pKa? Using complementary approaches of potentiometry and NMR spectroscopy, we have determined that the equilibrium acid dissociation constant (pKa value) of the…