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.

Reaction

n HS- + n quinone =

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

ECTree

     1 Oxidoreductases

         1.8 Acting on a sulfur group of donors

             1.8.5 With a quinone or similar compound as acceptor

                1.8.5.4 bacterial sulfide:quinone reductase

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Results	in table
4	Activating Compound
131	AA Sequence
2	Application
25	Cloned(Commentary)
38	Cofactor
7	Crystallization (Commentary)
24	Disease/ Diagnostics
4	Expression
37	General Information
31	IC50 Value
45	Inhibitors
36	kcat/KM [mM/s]
1	Ki Value [mM]
86	KM Value [mM]
40	Localization
21	Molecular Weight [Da]
18	Natural Substrates/ Products (Substrates)
64	Organism
4	Pathway
16	pH Optimum
3	pH Range
4	pI Value
64	Protein Variants
22	Purification (Commentary)
2	Reaction
4	Reaction Type
60	Reference
34	Source Tissue
18	Specific Activity [micromol/min/mg]
3	Storage Stability
100	Substrates and Products (Substrate)
23	Subunits
118	Synonyms
1	Systematic Name
11	Temperature Optimum [°C]
2	Temperature Range [°C]
5	Temperature Stability [°C]
50	Turnover Number [1/s]

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Application on EC 1.8.5.4 - bacterial sulfide:quinone reductase

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APPLICATION

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

environmental protection

Alkalihalobacillus clausii

-

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

764059

medicine

Mus musculus

-

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

724681