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What is Which of the following biochemical reaction is associated with substrate level phosphorylation? and explain in detail?
Conversion of succinyl CoA to succinate is an example of substrate level phosphorylation in which a high energy phosphate is generated from the energy trapped in the thioester bond of succinyl CoA. Enzyme succinic thiokinase catalyses this step. In this reaction a molecule of GDP is phosphorylated into GTP and succinate is formed. GTP so formed is conveed into ATP by reacting with an ADP molecule. Ref: Lippincott's Biochemistry, 2nd Edition, Page 109; Textbook of Biochemistry By D M Vasudevan, 3rd Edition, Pages 75-77, 194, 204