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Literature summary extracted from

  • Stolz, J.F.; Oremland, R.S.
    Bacterial respiration of arsenic and selenium (1999), FEMS Microbiol. Rev., 23, 615-627.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.97.1.9 tungstate highly inhibitory Sulfurospirillum barnesii

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.97.1.9 0.012
-
 selenate
-
 Sulfurospirillum barnesii
1.97.1.9 0.016
-
 selenate
-
 Thauera selenatis

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.97.1.9 membrane
-
 Sulfurospirillum barnesii 16020
-
1.97.1.9 periplasm
-
 Thauera selenatis
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.97.1.9 Molybdenum
-
 Thauera selenatis
1.97.1.9 Molybdenum in the active site Sulfurospirillum barnesii

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.97.1.9 23000
-
 1 * 96000, alpha, + 1 * 40000, beta, + 1 * 23000, gamma, SDS-PAGE Thauera selenatis
1.97.1.9 40000
-
 1 * 96000, alpha, + 1 * 40000, beta, + 1 * 23000, gamma, SDS-PAGE Thauera selenatis
1.97.1.9 53000
-
 1 * 82000 + 1 * 53000 + 1 *34000 + 1* 21000 Sulfurospirillum barnesii
1.97.1.9 82000
-
 1 * 82000 + 1 * 53000 + 1 *34000 + 1* 21000 Sulfurospirillum barnesii
1.97.1.9 96000
-
 1 * 96000, alpha, + 1 * 40000, beta, + 1 * 23000, gamma, SDS-PAGE Thauera selenatis
1.97.1.9 180000
-
 gel filtration Thauera selenatis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.97.1.9 selenate + electron donor Thauera selenatis selenate is the terminal electron acceptor in dissimilatory selenate reduction selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor Sulfurospirillum barnesii selenate is the terminal electron acceptor in dissimilatory selenate reduction selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor Anaerobacillus arseniciselenatis selenate is the terminal electron acceptor in dissimilatory selenate reduction selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor Sulfurospirillum barnesii SES-3 selenate is the terminal electron acceptor in dissimilatory selenate reduction selenite + H2O + oxidized electron donor
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.97.1.9 Anaerobacillus arseniciselenatis
-
-
-
1.97.1.9 Sulfurospirillum barnesii
-
-
-
1.97.1.9 Sulfurospirillum barnesii SES-3
-
-
-
1.97.1.9 Thauera selenatis
-
 selenate-respiring bacterium
-

Reaction

EC Number Reaction Comment Organism Reaction ID
1.97.1.9 selenite + H2O + acceptor = selenate + reduced acceptor active site molybdenum Sulfurospirillum barnesii
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.97.1.9 additional information no activity with nitrate, nitrite, sulfate, and chlorate Thauera selenatis ?
-
 ?
1.97.1.9 selenate + acetate
-
 Thauera selenatis selenite + H2O + CO2
-
 ?
1.97.1.9 selenate + electron donor
-
 Anaerobacillus arseniciselenatis selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor specific for selenate Thauera selenatis selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor enzyme also reduces nitrate, thiosulfate, and fumarate Sulfurospirillum barnesii selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor selenate is the terminal electron acceptor in dissimilatory selenate reduction Thauera selenatis selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor selenate is the terminal electron acceptor in dissimilatory selenate reduction Sulfurospirillum barnesii selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor selenate is the terminal electron acceptor in dissimilatory selenate reduction Anaerobacillus arseniciselenatis selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor enzyme also reduces nitrate, thiosulfate, and fumarate Sulfurospirillum barnesii SES-3 selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + electron donor selenate is the terminal electron acceptor in dissimilatory selenate reduction Sulfurospirillum barnesii SES-3 selenite + H2O + oxidized electron donor
-
 ?
1.97.1.9 selenate + glucose
-
 Thauera selenatis ?
-
 ?
1.97.1.9 selenate + lactate
-
 Sulfurospirillum barnesii selenite + H2O + acetate + HCO3-
-
 ?
1.97.1.9 selenate + lactate
-
 Anaerobacillus arseniciselenatis selenite + H2O + acetate + HCO3-
-
 ?
1.97.1.9 selenate + lactate
-
 Sulfurospirillum barnesii SES-3 selenite + H2O + acetate + HCO3-
-
 ?
1.97.1.9 selenate + malate
-
 Anaerobacillus arseniciselenatis ?
-
 ?
1.97.1.9 selenate + pyruvate
-
 Sulfurospirillum barnesii ?
-
 ?
1.97.1.9 selenate + pyruvate
-
 Sulfurospirillum barnesii SES-3 ?
-
 ?
1.97.1.9 selenate + reduced benzyl viologen
-
 Thauera selenatis selenite + H2O + oxidized benzyl viologen
-
 ?
1.97.1.9 selenate + reduced methyl viologen
-
 Thauera selenatis selenite + H2O + oxidized methyl viologen
-
 ?
1.97.1.9 selenate + reduced methyl viologen
-
 Sulfurospirillum barnesii selenite + H2O + oxidized methyl viologen
-
 ?
1.97.1.9 selenate + reduced methyl viologen
-
 Sulfurospirillum barnesii SES-3 selenite + H2O + oxidized methyl viologen
-
 ?

Subunits

EC Number Subunits Comment Organism
1.97.1.9 More the gamma subunit may be identical with the cytochrome b Thauera selenatis
1.97.1.9 tetramer 1 * 82000 + 1 * 53000 + 1 *34000 + 1* 21000 Sulfurospirillum barnesii
1.97.1.9 trimer 1 * 96000, alpha, + 1 * 40000, beta, + 1 * 23000, gamma, SDS-PAGE Thauera selenatis

Synonyms

EC Number Synonyms Comment Organism
1.97.1.9 More enzyme probably belongs to the DMSO reductase family of mononuclear molybdenum enzymes Sulfurospirillum barnesii

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
1.97.1.9 additional information
-
 maximal growth at a pH range of pH 9.0-11.0 Anaerobacillus arseniciselenatis

Cofactor

EC Number Cofactor Comment Organism Structure
1.97.1.9 cytochrome b
-
 Thauera selenatis