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Literature summary for 1.8.2.2 extracted from

  • Kelly, D.P.; Wood, A.P.
    Enzymes involved in microbiological oxidation of thiosulfate and polythionates (1994), Methods Enzymol., 243, 501-510.
No PubMed abstract available

Localization

Localization Comment Organism GeneOntology No. Textmining
periplasm
-
Thermithiobacillus tepidarius
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
20000
-
2 * 24000 + 2 * 20000, SDS-PAGE, both subunits contain c553-type heme Acidiphilium acidophilum
24000
-
2 * 24000 + 2 * 20000, SDS-PAGE, both subunits contain c553-type heme Acidiphilium acidophilum
45000
-
3 * 45000, SDS-PAGE Thermithiobacillus tepidarius
102000
-
-
Acidiphilium acidophilum
138000
-
-
Thermithiobacillus tepidarius

Organism

Organism UniProt Comment Textmining
Acidiphilium acidophilum
-
-
-
Halothiobacillus neapolitanus
-
-
-
Thermithiobacillus tepidarius
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial, using ion exchange chromatography, gel filtration and hydrophobic interaction chromatography Thermithiobacillus tepidarius
using ammonium sulfate precipitation, hydrophobic interaction chromatography, anion-exchange chromatography and gel filtration Acidiphilium acidophilum

Subunits

Subunits Comment Organism
heterotetramer 2 * 24000 + 2 * 20000, SDS-PAGE, both subunits contain c553-type heme Acidiphilium acidophilum
trimer 3 * 45000, SDS-PAGE Thermithiobacillus tepidarius

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
-
Halothiobacillus neapolitanus
4.5
-
-
Thermithiobacillus tepidarius

Cofactor

Cofactor Comment Organism Structure
heme c 5.3 mole per mol of native enzyme, made up of two different c-553 hemes, present in both subunit types Acidiphilium acidophilum