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CASE FILES: BIOCHEMISTRY
Figure 14-1. The tricarboxylic acid (TCA) cycle, also known as the citric acid
cycle and the Krebs cycle. The overall reaction is
AcCoA + 3NAD+ + FAD + GDP + P ^
2CO2 + 3NADH + FADH2 + GTP + CoA
1 Citrate synthase
5 Succinate thiokinase
2 Aconitase
6 Succinate dehydrogenase
3 Isocitrate
7 Fumarase
4 a-Ketoglutarate dehydrogenase
8 Malate dehydrogenase
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