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What is Amino acid with dissociation constant closest to physiological pH is: and explain in detail?
Histidine has dissociaion constant close to physiologic pH of 7.4 Ref: Textbook of Biochemistry By DM Vasudevan, 3rd Edition, Page 15 ; Lippincott Biochemistry, 2nd Edition, Pages 9-10 ; Pulmonary Biology in Health and Disease By E. Edward Bittar, 2002, Page 277