1.8.2.5: thiosulfate reductase (cytochrome)

This is an abbreviated version!
For detailed information about thiosulfate reductase (cytochrome), go to the full flat file.

Reaction

Synonyms

MARPU_02550, PsrA, thiosulfate reductase, TsdA

ECTree

     1 Oxidoreductases

         1.8 Acting on a sulfur group of donors

             1.8.2 With a cytochrome as acceptor

                1.8.2.5 thiosulfate reductase (cytochrome)

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Results	in table
56	AA Sequence
2	Cofactor
1	Crystallization (Commentary)
1	General Stability
11	Inhibitors
1	KM Value [mM]
3	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
8	Organism
1	Pathway
2	pH Optimum
2	pH Range
1	Posttranslational Modification
4	Purification (Commentary)
1	Reaction
7	Reference
1	Specific Activity [micromol/min/mg]
2	Storage Stability
9	Substrates and Products (Substrate)
1	Subunits
6	Synonyms
1	Systematic Name

Substrates Products

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Substrates Products on EC 1.8.2.5 - thiosulfate reductase (cytochrome)

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

thiosulfate + 2 ferrocytochrome c3

sulfite + hydrogen sulfide + 2 ferricytochrome c3

Megalodesulfovibrio gigas

-

-

739959

-

-

?

thiosulfate + reduced benzyl viologen

sulfite + hydrogen sulfide + oxidized benzyl viologen

Desulfovibrio vulgaris

-

-

740591

about 50% of the rate with methyl viologen

-

?

thiosulfate + reduced methyl viologen

sulfite + hydrogen sulfide + oxidized methyl viologen

4 entries

additional information

?

-

3 entries

thiosulfate + reduced methyl viologen

sulfite + hydrogen sulfide + oxidized methyl viologen

Desulfotomaculum nigrificans

-

-

740631

-

-

?

thiosulfate + reduced methyl viologen

sulfite + hydrogen sulfide + oxidized methyl viologen

Desulfovibrio vulgaris

-

-

740591

-

-

?

thiosulfate + reduced methyl viologen

sulfite + hydrogen sulfide + oxidized methyl viologen

Megalodesulfovibrio gigas

-

-

739959

-

-

?

thiosulfate + reduced methyl viologen

sulfite + hydrogen sulfide + oxidized methyl viologen

uncultured bacterium

-

-

740639

-

-

?

additional information

?

-

Desulfotomaculum nigrificans

-

with inner- and outer-labeled 35S-thiosulfate, the enzyme reduces only the outer sulfur atom to hydrogen sulfide. No substrates: sulfate, sulfite, tetrathionate, dithionate. No electron donors: reduced nicotinamide adenine dinucleotide, reduced nicotinamide adenine dinucleotide phosphate, reduced glutathione, or cysteine

740631

-

-

?

additional information

?

-

Desulfovibrio vulgaris

-

the enzyme catalyzes the reductive dismutation of thiosulfate to sulfide and sulfite. The outer sulfur atom of thiosulfate is reduced to sulfide and the inner sulfur atom is released as sulfite

740591

-

-

?

additional information

?

-

Megalodesulfovibrio gigas

-

enzyme catalyzes the stoichiometric production of hydrogen sulfide and sulfite from thiosulfate. The most efficient coupling is obtained with a system containing cytochromes c3. The enzyme exhibits tetrathionate reductase activity. It does not show sulfite reductase activity

739959

-

-

?