Which of the following amino acid residues facilitates the transfer of a phosphate group in the reaction producing succinate and GTP?

Name: Which of the following amino acid residues facilitates the transfer of a phosphate group in the reaction producing succinate and GTP?
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Question

Quizplus · Accepted Answer

Histidine has a pKa close to physiological pH, which enables it to act as a proton shuttle, facilitating the transfer of phosphate group between succinyl-CoA and GDP to form succinate and GTP in the TCA cycle.

Which of the Following Amino Acid Residues Facilitates the Transfer