Do you know any step in the $TCA$ cycle where there is substrate-level phosphorylation? Which one?
(N/A) In the $TCA$ cycle,substrate-level phosphorylation occurs during the conversion of Succinyl-$CoA$ to succinic acid.
This reaction is catalyzed by the enzyme Succinyl-$CoA$ synthetase.
During this process,a molecule of $GTP$ (guanosine triphosphate) is formed from $GDP$ and inorganic phosphate.
$GTP + ADP \rightarrow GDP + ATP$
This $GTP$ is subsequently converted into $ATP$.
This reaction is catalyzed by the enzyme Succinyl-$CoA$ synthetase.
During this process,a molecule of $GTP$ (guanosine triphosphate) is formed from $GDP$ and inorganic phosphate.
$GTP + ADP \rightarrow GDP + ATP$
This $GTP$ is subsequently converted into $ATP$.
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