1.8.5.2: thiosulfate dehydrogenase (quinone)
This is an abbreviated version!
For detailed information about thiosulfate dehydrogenase (quinone), go to the full flat file.
Word Map on EC 1.8.5.2
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1.8.5.2
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sulfur
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acidithiobacillus
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acidophilic
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ferrous
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ferrooxidans
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acidianus
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ambivalens
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ferricyanide
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sulfur-oxidizing
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ferric
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thermoacidophilic
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chemolithoautotrophic
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rusticyanin
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sulfur-grown
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iron-grown
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heterodisulfide
- 1.8.5.2
- sulfur
- acidithiobacillus
-
acidophilic
-
ferrous
- ferrooxidans
-
acidianus
- ambivalens
- ferricyanide
-
sulfur-oxidizing
-
ferric
-
thermoacidophilic
-
chemolithoautotrophic
- rusticyanin
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sulfur-grown
-
iron-grown
-
heterodisulfide
Reaction
Synonyms
B1757_09800, tetrathionate-forming thiosulfate dehydrogenase, thiosulfate oxidoreductase, thiosulfate oxidoreductase tetrathionate-forming, thiosulfate:quinone oxidoreductase, thiosulphate:quinone oxidoreductase, TQO, TSD
ECTree
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Substrates Products
Substrates Products on EC 1.8.5.2 - thiosulfate dehydrogenase (quinone)
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REACTION DIAGRAM
2 thiosulfate + caldariellaquinone + 2 H+
tetrathionate + caldariellaquinol
the physiological electron acceptor is most probably a caldariella quinone type quinone
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r
2 thiosulfate + ubiquinone-2
tetrathionate + ubiquinol-2
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-
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?
tetrathionate + reduced methylene blue
thiosulfate + oxidized methylene blue
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r
thiosulfate + ferricyanide + H+
tetrathionate + ferrocyanide
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when the concentration of thiosulfate is lower than 4 mM, no enzyme activity is detected
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-
?
tetrathionate + 6-decylubiquinol
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?, r
thiosulfate + 6-decylubiquinone
tetrathionate + 6-decylubiquinol
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r
thiosulfate + 6-decylubiquinone
tetrathionate + 6-decylubiquinol
the enzyme couples sulfur compound oxidation with quinone reduction
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?
tetrathionate + ferrocyanide
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?, r
?
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horse heart cytochrome c is not reduced
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?
additional information
?
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horse heart cytochrome c is not reduced
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?
additional information
?
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the enzyme reduces neither ubiquinone nor horse heart cytochrome c, which serves as an electron acceptor
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?