Inhibitors | Comment | Organism | Structure |
---|---|---|---|
2-heptylquinolin-4-ol 1-oxide | - |
Aquifex aeolicus | |
2-n-nonyl-4-hydroxyquinoline-N-oxide | - |
Aquifex aeolicus | |
antimycin A | - |
Aquifex aeolicus | |
aurachin C | - |
Aquifex aeolicus | |
additional information | insensitive towards cyanide | Aquifex aeolicus | |
myxothiazole | - |
Aquifex aeolicus | |
Stigmatellin | - |
Aquifex aeolicus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.005 | - |
decylubiquinone | in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | |
0.011 | - |
Sulfide | in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
membrane | - |
Aquifex aeolicus | 16020 | - |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aquifex aeolicus | - |
- |
- |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
3.5 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sulfide + decylubiquinone | - |
Aquifex aeolicus | sulfur + decylubiquinol | - |
? |
Synonyms | Comment | Organism |
---|---|---|
SQR | - |
Aquifex aeolicus |
sulfide:quinone oxidoreductase | - |
Aquifex aeolicus |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
20 | 70 | with 0.015 mM decylubqiuinone reduced/mg protein/min, the activity at 70°C is 5fold higher than the activity at 20°C | Aquifex aeolicus |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
95 | - |
the reaction with membranes that have been heated for more than 2 h at 95°C is negligible | Aquifex aeolicus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | - |
Aquifex aeolicus |
IC50 Value | IC50 Value Maximum | Comment | Organism | Inhibitor | Structure |
---|---|---|---|---|---|
0.000014 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | aurachin C | |
0.006 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | 2-n-nonyl-4-hydroxyquinoline-N-oxide | |
0.01 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | antimycin A | |
0.012 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | 2-heptylquinolin-4-ol 1-oxide | |
0.02 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | Stigmatellin | |
0.043 | - |
in 50 mM Bis-Tris (pH 7.0), at 20°C | Aquifex aeolicus | myxothiazole |
General Information | Comment | Organism |
---|---|---|
physiological function | SQR and the cytochrome bc complex are involved in sulfide-dependent respiration. Oxidation of sulfide by SQR is coupled, at least in part, to the proton-motive Q-cycle mechanism | Aquifex aeolicus |