In TCA cycle, during the conversion of succinyl Co-A to succinic acid a molecule of GTP is synthesised. This is a substrate level phosphorylation. In a coupled reaction, GTP is converted to GDP with the simultaneous synthesis of ATP from ADP.
In TCA cycle, during the conversion of succinyl Co-A to succinic acid a molecule of GTP is synthesised. This is a substrate level phosphorylation. In a coupled reaction, GTP is converted to GDP with the simultaneous synthesis of ATP from ADP.