Question #230829

Arginine is an amino acid which has the following pKa values: pK1: 2.17, pK2: = 9.04, pKR = 12.48. Calculate the net charge of arginine at the pH value of 4.


Expert's answer

Pkr is 12.48

Below that pka charge will be +1

Average of (pk1+ pk2)/2 is greater than 4


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