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Literature summary extracted from

  • Trudinger, P.A.
    Metabolism of thiosulfate and tetrathionate by heterotrophic bacteria from soil (1967), J. Bacteriol., 93, 550-559.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.8.2.2 2,2'-bipyridyl not inhibitory heterotrophic bacterium
1.8.2.2 azide strongly inhibits thiosulfate oxidation by A-50 extracts heterotrophic bacterium
1.8.2.2 Cupferron strongly inhibits thiosulfate oxidation by A-50 extracts heterotrophic bacterium
1.8.2.2 cyanide strongly inhibits thiosulfate oxidation by A-50 extracts heterotrophic bacterium
1.8.2.2 diethyldithiocarbamate slightly inhibits heterotrophic bacterium
1.8.2.2 N-ethylmaleimide not inhibitory heterotrophic bacterium
1.8.2.2 p-chloromercuribenzoate not inhibitory heterotrophic bacterium
1.8.2.2 SO32-
-
 heterotrophic bacterium

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.8.2.2 additional information
-
 additional information
-
 heterotrophic bacterium

Organism

EC Number Organism UniProt Comment Textmining
1.8.2.2 heterotrophic bacterium
-
 two bacteria designated A-50 and C-3, isolated from percolation units containing garden soil and elemental sulfur, the enzyme system in C-3 is constitutive, but in A-50 it is induced by thiosulfate or tetrathionate
-

Storage Stability

EC Number Storage Stability Organism
1.8.2.2 -20°C, crude extract, 50% loss of activity after 2 months heterotrophic bacterium

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.2.2 thiosulfate + oxidized acceptor A-50: once induced to oxidize thiosulfate, also reduces tetrathionate to thiosulfate in the presence of an electron donor such as lactate, the possibility cannot be excluded, that a separate tetrathionate-reducing enzyme is induced heterotrophic bacterium tetrathionate + reduced acceptor
-
 r
1.8.2.2 thiosulfate + oxidized acceptor ferricyanide or native cytochrome c act as electron acceptors heterotrophic bacterium tetrathionate + reduced acceptor
-
 r
1.8.2.2 thiosulfate + oxidized acceptor cytochrome c acts as electron acceptor heterotrophic bacterium tetrathionate + reduced acceptor
-
 r
1.8.2.2 thiosulfate + oxidized acceptor mammalian cytochrome c acts as electron acceptor heterotrophic bacterium tetrathionate + reduced acceptor
-
 r
1.8.2.2 thiosulfate + oxidized acceptor ferricyanide acts as electron acceptor heterotrophic bacterium tetrathionate + reduced acceptor
-
 r

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.8.2.2 60
-
 10 min, complete loss of activity, crude extract heterotrophic bacterium

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.8.2.2 5.2
-
 thiosulfate + ferricyanide heterotrophic bacterium