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. 2016 Nov 29;45(Database issue):D543–D550. doi: 10.1093/nar/gkw1003

Table 3. Electron transport pathways added to EcoCyc.

Pathway name Enzymes involved Quinone species used
NADH to cytochrome bo oxidase electron transfer II NADH:ubiquinone oxidoreductase II; cytochrome bo oxidase Ubiquinone
NADH to cytochrome bd oxidase electron transfer II NADH:ubiquinone oxidoreductase II; cytochrome bd-1 oxidase Ubiquinone
Nitrate reduction VIIIb (dissimilatory) NADH:ubiquinone oxidoreductase II; nitrate reductase A Ubiquinone
Pyruvate to cytochrome bo oxidase electron transfer Pyruvate oxidase; cytochrome bo oxidase Ubiquinone
Pyruvate to cytochrome bd oxidase electron transfer Pyruvate oxidase; cytochrome bd-I oxidase Ubiquinone
Glycerol-3-phosphate to cytochrome bo oxidase electron transfer Aerobic glycerol-3-phosphate dehydrogenase; cytochrome bo oxidase Ubiquinone
Glycerol-3-phosphate to fumarate electron transfer Anaerobic glycerol-3-phosphate dehydrogenase; fumarate reductase Menaquinone
Nitrate reduction IX (dissimilatory) Anaerobic glycerol-3-phosphate dehydrogenase; nitrate reductase A; nitrate reductase Z Menaquinone
Nitrate reduction X (dissimilatory, periplasmic) Aerobic glycerol-3-phosphate dehydrogenase; periplasmic nitrate reductase Ubiquinone
d-Lactate to cytochrome bo oxidase electron transfer d-Lactate dehydrogenase; cytochrome bo oxidase Ubiquinone
Proline to cytochrome bo oxidase electron transfer Proline dehydrogenase; cytochrome bo oxidase Ubiquinone
Formate to nitrite electron transfer Formate dehydrogenase; formate dehydrogenase N; formate-dependent nitrite reductase Menaquinone
Hydrogen to dimethyl sulfoxide electron transfer Hydrogenase I; hydrogenase II; dimethyl sulfoxide reductase Menaquinone
Hydrogen to fumarate electron transfer Hydrogenase II; fumarate reductase Menaquinone
Hydrogen to trimethylamine N-oxide electron transfer Hydrogenase I; hydrogenase II; trimethylamine N-oxide reductase Menaquinone