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Literature summary extracted from

  • Shahak, Y.; Arieli, B.; Padan, E.; Hauska, G.
    Sulfide quinone reductase (SQR) activity in Chlorobium (1992), FEBS Lett., 299, 127-130.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.8.5.4 2-n-nonyl-4-hydroxyquinoline-N-oxide
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 antimycin A
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 aurachin C
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 aurachin D
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 cyanide
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 additional information not inhibited by 5n-undecyl-6-hydroxy-4,7-dioxobenzothiazole, 2-iodo-6-isopropyl-3-methyl-2'-4,4'-trinitrodiphenyl ether, and 3-(3',4'-dichlorophenyl)-1,1-dimelhylurea Chlorobaculum thiosulfatiphilum
1.8.5.4 Myxothiazol
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 Stigmatellin most potent inhibitor Chlorobaculum thiosulfatiphilum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.8.5.4 thylakoid membrane
-
 Chlorobaculum thiosulfatiphilum 42651
-

Organism

EC Number Organism UniProt Comment Textmining
1.8.5.4 Chlorobaculum thiosulfatiphilum
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.8.5.4 additional information no activity with vitamin K1 Chlorobaculum thiosulfatiphilum ?
-
 ?
1.8.5.4 sulfide + 2-methyl-3-methylthio-1,4-naphthoquinone lowest activity Chlorobaculum thiosulfatiphilum sulfur + 2-methyl-3-methylthio-1,4-naphthoquinol
-
 ?
1.8.5.4 sulfide + duroquinone
-
 Chlorobaculum thiosulfatiphilum sulfur + duroquinol
-
 ?
1.8.5.4 sulfide + menadione
-
 Chlorobaculum thiosulfatiphilum sulfur + menadiol
-
 ?
1.8.5.4 sulfide + plastoquinone-1
-
 Chlorobaculum thiosulfatiphilum sulfur + plastoquinol-1
-
 ?
1.8.5.4 sulfide + plastoquinone-2 highest activity Chlorobaculum thiosulfatiphilum sulfur + plastoquinol-2
-
 ?
1.8.5.4 sulfide + ubiquinone-1
-
 Chlorobaculum thiosulfatiphilum sulfur + ubiquinol-1
-
 ?
1.8.5.4 sulfide + ubiquinone-2
-
 Chlorobaculum thiosulfatiphilum sulfur + ubiquinol-2
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.8.5.4 SQR
-
 Chlorobaculum thiosulfatiphilum
1.8.5.4 sulfide:quinone oxidoreductase
-
 Chlorobaculum thiosulfatiphilum

Cofactor

EC Number Cofactor Comment Organism Structure
1.8.5.4 FAD
-
 Chlorobaculum thiosulfatiphilum

IC50 Value

EC Number IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
1.8.5.4 0.000005
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum Stigmatellin
1.8.5.4 0.000012
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum aurachin C
1.8.5.4 0.000038
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum aurachin D
1.8.5.4 0.00076
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum 2-n-nonyl-4-hydroxyquinoline-N-oxide
1.8.5.4 0.00096
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum antimycin A
1.8.5.4 0.006
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum Myxothiazol
1.8.5.4 0.01
-
 in 20 mM Tris-HCl, pH 7.8, at 24°C Chlorobaculum thiosulfatiphilum cyanide