1.8.5.4: bacterial sulfide:quinone reductase
This is an abbreviated version!
For detailed information about bacterial sulfide:quinone reductase, go to the full flat file.
Word Map on EC 1.8.5.4
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1.8.5.4
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sulfur
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h2s
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thiosulfate
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persulfide
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polysulfide
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acidithiobacillus
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sulfurtransferase
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sulfide-oxidizing
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rhodanese
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sulfane
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ferrooxidans
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3-mercaptopyruvate
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anoxygenic
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sulfur-oxidizing
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chemolithotrophic
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sulfide-dependent
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echiuran
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unicinctus
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limnetica
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urechis
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monotopic
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oscillatoria
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tepidum
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chlorobaculum
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sulfide-rich
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medicine
- 1.8.5.4
- sulfur
- h2s
- thiosulfate
- persulfide
- polysulfide
- acidithiobacillus
- sulfurtransferase
-
sulfide-oxidizing
- rhodanese
-
sulfane
- ferrooxidans
- 3-mercaptopyruvate
-
anoxygenic
-
sulfur-oxidizing
-
chemolithotrophic
-
sulfide-dependent
-
echiuran
- unicinctus
- limnetica
-
urechis
-
monotopic
- oscillatoria
- tepidum
- chlorobaculum
-
sulfide-rich
- medicine
Reaction
n HS- + n quinone = + n quinol
Synonyms
CmSQR, CpSQR, CT1087, HMT2, III SQR, membrane-bound sulfide:quinone oxidoreductases, SQOR, SQR, Sqrdl, sqrF, Suden_1879, Suden_2082, Suden_619, sulfide quinone oxidoreductase, sulfide quinone reductase, sulfide-quinone oxidoreductase, sulfide-quinone reductase, sulfide: quinone oxidoreductase, sulfide:decylubiquinone oxidoreductase, sulfide:quinone oxidoreductase, sulfidequinone reductase-like protein, TrSqrF, type I SQR, type III sulfide:quinone oxidoreductase, type VI sulfide:quinone oxidoreductase
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Application
Application on EC 1.8.5.4 - bacterial sulfide:quinone reductase
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environmental protection
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anaerobic treatment of sulphate rich wastewater results in high amount of sulfide in liquid phase and gaseous phase. Sulfide is malodorous in gaseous phase and toxic even at very low concentrations in liquid phase and causes objectionable environmental issues. Sulfide present in the up-flow anaerobic sludge blanket (UASB)-treated post tanning wastewater is oxidized into elemental sulfur using sulfide:quinone oxidoreductase (SQR) immobilized on functionalized carbon-silica matrix (FCSM) in a packed bed reactor. Optimum conditions for immobilization of SQR onto FCSM are pH, 7.0, 40°C, and 10mg/g SQR during 240 min. The immobilization of SQR onto FCSM obeys the Langmuir isotherm model. The maximum sulfide oxidation is 99% at HRT of 15 h with residual sulfide of 2.4 mg/l. The formation of elemental Sulphur is confirmed by XRD studies
medicine
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termination of endogenous H2S signalling in the colonic muscularis externa occurs via catabolism to thiosulfate and sulfate partially via a mechanism involving sulfide:quinone reductase. In the brain, H2S signal termination occurs partially through protein sequestration and partially through catabolism not involving sulfide:quinone reductase