The Enzyme Database

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Accepted name: sulfite dehydrogenase (quinone)
Reaction: sulfite + a quinone + H2O = sulfate + a quinol
Other name(s): soeABC (gene name)
Systematic name: sulfite:quinone oxidoreductase
Comments: This membrane-bound bacterial enzyme catalyses the direct oxidation of sulfite to sulfate in the cytoplasm. The enzyme, characterized from the bacteria Ruegeria pomeroyi and Allochromatium vinosum, is a complex that consists of a membrane anchor (SoeC) and two cytoplasmic subunits: an iron-sulfur protein (SoeB) and a molybdoprotein that contains a [4Fe-4S] iron-sulfur cluster (SoeA). cf. EC, sulfite dehydrogenase (cytochrome).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Dahl, C., Franz, B., Hensen, D., Kesselheim, A. and Zigann, R. Sulfite oxidation in the purple sulfur bacterium Allochromatium vinosum: identification of SoeABC as a major player and relevance of SoxYZ in the process. Microbiology 159 (2013) 2626–2638. [DOI] [PMID: 24030319]
[EC created 2016]

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