1.8.5.2: thiosulfate dehydrogenase (quinone)

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For detailed information about thiosulfate dehydrogenase (quinone), go to the full flat file.

Word Map on EC 1.8.5.2

1.8.5.2

sulfur

acidithiobacillus

acidophilic

ferrous

ferrooxidans

acidianus

ambivalens

ferricyanide

sulfur-oxidizing

ferric

thermoacidophilic

chemolithoautotrophic

rusticyanin

sulfur-grown

iron-grown

heterodisulfide

Reaction

2 thiosulfate +

+ 2 H+ =

Synonyms

B1757_09800, tetrathionate-forming thiosulfate dehydrogenase, thiosulfate oxidoreductase, thiosulfate oxidoreductase tetrathionate-forming, thiosulfate:quinone oxidoreductase, thiosulphate:quinone oxidoreductase, TQO, TSD

ECTree

1 Oxidoreductases

1.8 Acting on a sulfur group of donors

1.8.5 With a quinone or similar compound as acceptor

1.8.5.2 thiosulfate dehydrogenase (quinone)

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Results	in table
2	Activating Compound
245	AA Sequence
1	CAS Registry Number
1	Cloned(Commentary)
2	Cofactor
10	Inhibitors
2	Ki Value [mM]
8	KM Value [mM]
2	Localization
8	Molecular Weight [Da]
3	Natural Substrates/ Products (Substrates)
5	Organism
6	Pathway
3	pH Optimum
3	pH Range
2	Posttranslational Modification
4	Purification (Commentary)
1	Reaction
5	Reference
2	Source Tissue
6	Specific Activity [micromol/min/mg]
11	Substrates and Products (Substrate)
5	Subunits
10	Synonyms
1	Systematic Name
3	Temperature Optimum [°C]
1	Temperature Range [°C]
2	Turnover Number [1/s]

Inhibitors

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Inhibitors on EC 1.8.5.2 - thiosulfate dehydrogenase (quinone)

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Dithionite

Acidianus ambivalens

P97224; P97207

1 mM, complete inhibition

656833

Metabisulfite

Acidianus ambivalens

P97224; P97207

1 mM, complete inhibition

N-ethylmaleimide

1 mM, 54% inhibition

reduced titanium citrate

Acidianus ambivalens

P97224; P97207

1 mM, 65% inhibition

656833

Sodium sulfate

Acidithiobacillus ferrooxidans

60% reduction in enzyme activity is observed in the reaction mixture containing 200 mM sodium sulfate

sulfite

Triton X-100

1%, complete inhibition

656833

Zn2+

Acidianus ambivalens

P97224; P97207

1 mM, 37% inhibition, 5 mM, 82% inhibition

656833

additional information

2 entries