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. 2022 Aug 10;13:4691. doi: 10.1038/s41467-022-32269-1

Fig. 1. Central metabolism of Clostridium acetobutylicum.

Fig. 1

The green box indicates the primary products under acidogenic conditions, whereas the red box indicates the primary products under solventogenic conditions. The letters in red and italics indicate the corresponding genes. ack acetate kinase, adc acetoacetate decarboxylase, adhE1 aldehyde dehydrogenase, adhE2 bifunctional aldehyde/alcohol dehydrogenase, alsD alpha-acetolactate decarboxylase, alsS acetolactate synthase, bcd butyryl-CoA dehydrogenase, bdh butanol dehydrogenase, buk butyrate kinase, crt crotonase, ctfAB CoA-transferase, etf electron transfer flavoprotein, hbd 3-hydroxybutyryl-CoA dehydrogenase, hyd hydrogenase, fnor ferredoxin-NAD(P)+ oxidoreductases, pdc pyruvate decarboxylase, pfor pyruvate:ferredoxin oxidoreductase, pta phosphotransacetylase, ptb phosphotransbutyrylase, thl thiolase, gapC NADH-dependent glyceraldehyde-3-phosphate dehydrogenase, gapN nonphosphorylating NADPH-producing glyceraldehyde-3-phosphate dehydrogenase, Fd ox represents oxidized ferredoxin, whereas Fd red represents reduced ferredoxin.