1.8.5.2: thiosulfate dehydrogenase (quinone)

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

Reaction

2 thiosulfate +

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]

pH Range

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pH Range on EC 1.8.5.2 - thiosulfate dehydrogenase (quinone)

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pH RANGE

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

2 - 3

Acidithiobacillus ferrooxidans

-

the native enzyme shows about 35% activity at pH 2.0 and 20% activity at pH 3.0, the recombinant enzyme shows about 80% activity at pH 2.0 and about 35% activity at pH 3.0

724028

3.5 - 6.8

Acidianus ambivalens

P97224; P97207

approx. 55% of maximal activity at pH 3.5, approx. 22% of maximal activity at pH 6.5

656833

4.5 - 5.5

Acidianus ambivalens

P97224; P97207

pH 4.5: about 70% of maximal activity, pH 5.5: about 35% of maximal activity

656833