Activating Compound | Comment | Organism | Structure |
---|---|---|---|
cyanide | SQR isolated from yeast mitochondria reduces decyl-ubiquinone after the addition of sulfide only in the presence of cyanide | Arenicola marina |
Cloned (Comment) | Organism |
---|---|
expressed in Saccharomyces cerevisiae | Arenicola marina |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
antimycin A | competitive inhibition | Arenicola marina | |
cyanide | substrate inhibition | Arenicola marina |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0064 | - |
decylubiquinone | 20 mM Tris-HCl, pH 8.0, at 22°C | Arenicola marina | |
0.23 | - |
Sulfide | 20 mM Tris-HCl, pH 8.0, at 22°C | Arenicola marina | |
2.6 | - |
cyanide | 20 mM Tris-HCl, pH 8.0, at 22°C | Arenicola marina |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
mitochondrial membrane | - |
Arenicola marina | 31966 | - |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arenicola marina | - |
- |
- |
Purification (Comment) | Organism |
---|---|
Ni-NTA column chromatography | Arenicola marina |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sulfide + decylubiquinone + cyanide | - |
Arenicola marina | sulfur + decylubiquinol + thiocyanate | - |
? | |
sulfide + decylubiquinone + Escherichia coli thioredoxin | with Escherichia coli thioredoxin, SQR exhibits one-tenth of the cyanide-dependent activity | Arenicola marina | sulfur + decylubiquinol + ? | - |
? | |
sulfide + decylubiquinone + sulfite | with sulfite, SQR exhibits one-tenth of the cyanide-dependent activity | Arenicola marina | sulfur + decylubiquinol + ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
SQR | - |
Arenicola marina |
sulfide:quinone oxidoreductase | - |
Arenicola marina |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | - |
- |
Arenicola marina |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | - |
Arenicola marina |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.7 | - |
cyanide | 20 mM Tris-HCl, pH 8.0, at 22°C | Arenicola marina |