| Entry |
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| Name |
sulfite dehydrogenase (cytochrome);
sulfite cytochrome c reductase;
sulfite-cytochrome c oxidoreductase;
sulfite oxidase (ambiguous);
sulfite dehydrogenase (ambiguous);
sorAB (gene names)
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| Class |
Oxidoreductases;
Acting on a sulfur group of donors;
With a cytochrome as acceptor
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| Sysname |
sulfite:ferricytochrome-c oxidoreductase
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| Reaction(IUBMB) |
sulfite + 2 ferricytochrome c + H2O = sulfate + 2 ferrocytochrome c + 2 H+ [RN: R00528]
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| Reaction(KEGG) |
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| Substrate |
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| Product |
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| Comment |
Associated with cytochrome c-551. The enzyme from the bacterium Starkeya novella contains a molybdopyranopterin cofactor and a smaller monoheme cytochrome c subunit. cf. EC 1.8.5.6, sulfite dehydrogenase (quinone).
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| History |
EC 1.8.2.1 created 1972, modified 2016
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| Pathway |
| ec01120 | Microbial metabolism in diverse environments |
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| Orthology |
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| Genes |
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| Reference |
1 |
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| Authors |
Charles, A.M. and Suzuki, I. |
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| Title |
Purification and properties of sulfite:cytochrome c oxidoreductase from Thiobacillus novellus. |
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| Journal |
Biochim Biophys Acta 128:522-534 (1966) |
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| Reference |
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| Authors |
Lyric RM, Suzuki I |
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| Title |
Enzymes involved in the metabolism of thiosulfate by Thiobacillus thioparus. I. Survey of enzymes and properties of sulfite: cytochrome c oxidoreductase. |
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| Journal |
Can J Biochem 48:334-43 (1970) |
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| Reference |
3 |
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| Authors |
Yamanaka, T., Yoshioka, T. and Kimura, K. |
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| Title |
Purification of sulphite cytocrome c reductase of Thiobacillus novellus and reconstitution of its sulphite oxidase system with the purified constituents. |
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| Journal |
Plant and Cell Physiol 22:631-622 (1981) |
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| Reference |
4 |
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| Authors |
Lu, W.-P. and Kelly, D.P. |
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| Title |
Properties and role of sulphite:cytochrome c oxidoreductase purified from Thiobacillus versutus (A2). |
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| Journal |
J Gen Microbiol 130:1683-1692 (1984) |
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| Reference |
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| Authors |
Kappler U, Bennett B, Rethmeier J, Schwarz G, Deutzmann R, McEwan AG, Dahl C |
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| Title |
Sulfite:Cytochrome c oxidoreductase from Thiobacillus novellus. Purification, characterization, and molecular biology of a heterodimeric member of the sulfite oxidase family. |
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| Journal |
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| Other DBs |
| ExplorEnz - The Enzyme Database: | 1.8.2.1 |
| ExPASy - ENZYME nomenclature database: | 1.8.2.1 |
| BRENDA, the Enzyme Database: | 1.8.2.1 |
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