1.8.5.6: sulfite dehydrogenase (quinone)
This is an abbreviated version!
For detailed information about sulfite dehydrogenase (quinone), go to the full flat file.
Word Map on EC 1.8.5.6
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1.8.5.6
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sulfur
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sulfur-oxidizing
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phototrophic
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sulfide
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arsenite
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chlorobaculum
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polysulfide
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tepidum
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lake
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dissimilatory
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soxcd
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sulfite-oxidizing
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chlorobium
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thiosulfate
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heterodisulfide
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chemolithoautotrophic
- 1.8.5.6
- sulfur
-
sulfur-oxidizing
-
phototrophic
- sulfide
- arsenite
- chlorobaculum
- polysulfide
- tepidum
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lake
-
dissimilatory
- soxcd
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sulfite-oxidizing
- chlorobium
- thiosulfate
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heterodisulfide
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chemolithoautotrophic
Reaction
Synonyms
Alvin_2489, Alvin_2490, Alvin_2491, CT0876, quinone-reducing molybdenum sulfite dehydrogenase, soeAB, SoeABC, SreABC, sulfur reductase
ECTree
1.8.5.6 sulfite dehydrogenase (quinone)Advanced search results
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results (Substrates Products
Substrates Products on EC 1.8.5.6 - sulfite dehydrogenase (quinone)
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
sulfite + decyl-ubiquinone + H2O
sulfate + decyl-ubiquinol
O67280; O67279; O67278
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r
sulfur + reduced methyl viologen + H2O
H2S + oxidized methyl viologen
O67280; O67279; O67278
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?
tetrathionate + reduced methyl viologen + H2O
? + oxidized methyl viologen
O67280; O67279; O67278
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?
additional information
?
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O67280; O67279; O67278
the enzyme catalyzes sulfite oxidation using Nitro-blue tetrazolium as artificial electron acceptor at pH 7.8 and 60°C. The enzyme specifically oxidizes sulfite but can work in the reverse direction, reduction of sulfur or tetrathionate, using reduced methyl viologen (MV) as electron donor, thiosulfate is not able to act as an electron acceptor from MV, absence of reduction of thiosulfate by SoeABC. Oxidation of sodium tetrathionate by SoeABC is performed using DCPIP (2,6-dichlorophenolindophenol) in the presence or absence of phenazine methosulfate (PMS). No oxidation of sulfite, tetrathionate, polysulfide or thiosulfate, SoeABC seems therefore to oxidize sulfite specifically
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additional information
?
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the enzyme catalyzes sulfite oxidation using Nitro-blue tetrazolium as artificial electron acceptor at pH 7.8 and 60°C. The enzyme specifically oxidizes sulfite but can work in the reverse direction, reduction of sulfur or tetrathionate, using reduced methyl viologen (MV) as electron donor, thiosulfate is not able to act as an electron acceptor from MV, absence of reduction of thiosulfate by SoeABC. Oxidation of sodium tetrathionate by SoeABC is performed using DCPIP (2,6-dichlorophenolindophenol) in the presence or absence of phenazine methosulfate (PMS). No oxidation of sulfite, tetrathionate, polysulfide or thiosulfate, SoeABC seems therefore to oxidize sulfite specifically
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