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AMB Express
Fig. 2 | AMB Express

Fig. 2

From: Genome-scale metabolic model analysis indicates low energy production efficiency in marine ammonia-oxidizing archaea

Fig. 2

The Thaumarchaeal HP/HB cycle for carbon fixation. Four missing reactions in the strain SCM1 draft model were marked in red-dashed line. Enzymes numbered in brackets are: 1, acetyl-CoA carboxylase (EC 6.4.1.2); 2, malonyl-CoA reductase (NADPH) (EC 1.2.1.75); 3, malonic semialdehyde reductase (NADPH) (EC 1.1.1.-); 4, 3-hydroxypropionyl-CoA synthetase (ADP-forming) (EC 6.2.1.-); 5, 3-hydroxypropionyl-CoA dehydratase (EC 4.2.1.116); 6, acryloyl-CoA reductase (EC 1.3.1.84); 7, propionyl-CoA carboxylase (EC 6.4.1.3); 8, methylmalonyl-CoA epimerase (EC 5.1.99.1); 9, methylmalonyl-CoA mutase (EC 5.4.99.2); 10, succinyl-CoA reductase (NADPH) (EC 1.2.1.76); 11, succinic semialdehyde reductase (NADPH) (EC 1.1.1-); 12, 4-hydroxybutyryl-CoA synthetase (ADP-forming) (EC 6.2.1.-); 13, 4-hydroxybutyryl-CoA dehydratase (EC 4.2.1.20); 14, crotonyl-CoA hydratase [(S)-3-hydroxybutyryl-CoA forming] (EC 4.2.1.17) 15, (S)-3-hydroxybutyryl-CoA dehydrogenase (NAD+) (EC 1.1.1.35); 16, acetoacetyl-CoA β-ketothiolase (EC 2.3.1.9)

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