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. 2017 Jan 6;12(1):e0169621. doi: 10.1371/journal.pone.0169621

Fig 1. Simplified representation of the respiratory chain of Debaryomyces hansenii.

Fig 1

Debaryomyces hansenii has a proton-pumping complex I, a canonical proton-pumping cytochrome pathway (complex III-IV) and a cyanide-resistant terminal oxidase (Aox). For simplicity, the alternative NADH dehydrogenase and glycerol-3-phosphate dehydrogenase described in [9] are not depicted. Electrons flow from complex I to ubiquinone and at this point the respiratory chain is branched and electrons flow to complex III and the Aox. Thus, two electron pathways are able to sustain a protonmotive force: Complex I-Aox and Complex I-III-IV.