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Literature summary extracted from

  • Santini, J.; Vanden Hoven, R.
    Molybdenum-containing arsenite oxidase of the chemolithoautotrophic arsenite oxidizer NT-26 (2004), J. Bacteriol., 186, 1614-1619.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.20.2.1 0.061
-
arsenite pH 5.5, temperature not specified in the publication Pseudorhizobium banfieldiae
1.20.2.1 0.061
-
arsenite pH 5.5, temperature not specified in the publication arsenite-oxidising bacterium

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.20.2.1 periplasm
-
Pseudorhizobium banfieldiae
-
-
1.20.2.1 periplasm
-
arsenite-oxidising bacterium
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.20.2.1 Iron protein contains two molybdenum and 9 or 10 iron atoms per alpha2beta2 unit Pseudorhizobium banfieldiae
1.20.2.1 Iron protein contains two molybdenum and 9 or 10 iron atoms per alpha2beta2 unit arsenite-oxidising bacterium

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.20.2.1 14000
-
2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE Pseudorhizobium banfieldiae
1.20.2.1 14000
-
2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE arsenite-oxidising bacterium
1.20.2.1 98000
-
2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE Pseudorhizobium banfieldiae
1.20.2.1 98000
-
2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE arsenite-oxidising bacterium
1.20.2.1 219000
-
gel filtration Pseudorhizobium banfieldiae
1.20.2.1 219000
-
gel filtration arsenite-oxidising bacterium

Organism

EC Number Organism UniProt Comment Textmining
1.20.2.1 arsenite-oxidising bacterium Q6VAL9 subunit aroB
-
1.20.2.1 arsenite-oxidising bacterium NT-26 Q6VAL9 subunit aroB
-
1.20.2.1 Pseudorhizobium banfieldiae Q6VAL8
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.20.2.1
-
Pseudorhizobium banfieldiae
1.20.2.1
-
arsenite-oxidising bacterium

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.20.2.1 arsenite + H2O + 2,6-dichlorophenolindophenol
-
Pseudorhizobium banfieldiae arsenate + reduced 2,6-dichlorophenolindophenol
-
?
1.20.2.1 arsenite + H2O + 2,6-dichlorophenolindophenol
-
arsenite-oxidising bacterium arsenate + reduced 2,6-dichlorophenolindophenol
-
?
1.20.2.1 arsenite + H2O + 2,6-dichlorophenolindophenol
-
arsenite-oxidising bacterium NT-26 arsenate + reduced 2,6-dichlorophenolindophenol
-
?

Subunits

EC Number Subunits Comment Organism
1.20.2.1 tetramer 2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE Pseudorhizobium banfieldiae
1.20.2.1 tetramer 2 * 98000, subunit aroA, plus 2 * 14000, subunit aroB, SDS-PAGE arsenite-oxidising bacterium

Synonyms

EC Number Synonyms Comment Organism
1.20.2.1 AroA
-
Pseudorhizobium banfieldiae
1.20.2.1 aroB
-
arsenite-oxidising bacterium

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.20.2.1 8.6
-
arsenite pH 5.5, temperature not specified in the publication Pseudorhizobium banfieldiae
1.20.2.1 8.6
-
arsenite pH 5.5, temperature not specified in the publication arsenite-oxidising bacterium

Cofactor

EC Number Cofactor Comment Organism Structure
1.20.2.1 molybdenum cofactor protein contains two molybdenum and 9 or 10 iron atoms per alpha2beta2 unit Pseudorhizobium banfieldiae
1.20.2.1 molybdenum cofactor protein contains two molybdenum and 9 or 10 iron atoms per alpha2beta2 unit arsenite-oxidising bacterium

General Information

EC Number General Information Comment Organism
1.20.2.1 physiological function an aroA disruption mutant does not display arsenite oxidation activity, fails to grow chemolithoautotrophically with arsenite as the electron donor, but is able to grow in presence of 5 mM arsenite Pseudorhizobium banfieldiae