Crystallization (Comment) | Organism |
---|---|
hanging drop vapor diffusion method, using 2.2 M NH4H2PO4 and 100 mM Tris-HCl, pH 8.5 (final pH of the solution is 4.5), or 2.2 M NH4H2PO4/K2HPO4 at pH 4.5 | Acidianus ambivalens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
cyanide | - |
Acidianus ambivalens | |
HQNO | a quinone competitive inhibitor | Acidianus ambivalens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
membrane | - |
Acidianus ambivalens | 16020 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
48000 | - |
about 48000 Da, SDS-PAGE | Acidianus ambivalens |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Acidianus ambivalens | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Acidianus ambivalens |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.127 | - |
using 2,3-dimethyl-1,4-naphthoquinone as cosubstrate, at 50°C, pH 6.5 | Acidianus ambivalens |
0.194 | - |
using menadione as cosubstrate, at 50°C, pH 6.5 | Acidianus ambivalens |
0.47 | - |
using decylubiquinone as cosubstrate, at 50°C, pH 6.5 | Acidianus ambivalens |
0.531 | - |
using caldariella quinone as cosubstrate, at 50°C, pH 6.5 | Acidianus ambivalens |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
sulfide + 2,3-dimethyl-1,4-naphthoquinone | - |
Acidianus ambivalens | sulfur + 2,3-dimethyl-1,4-naphthoquinol | - |
? | |
sulfide + caldariellaquinone | - |
Acidianus ambivalens | sulfur + caldariellaquinol | - |
? | |
sulfide + decylubiquinone | - |
Acidianus ambivalens | sulfur + decylubiquinol | - |
? | |
sulfide + menadione | - |
Acidianus ambivalens | sulfur + menadiol | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | x-ray crystallography | Acidianus ambivalens |
Synonyms | Comment | Organism |
---|---|---|
SQR | - |
Acidianus ambivalens |
sulfide:quinone oxidoreductase | - |
Acidianus ambivalens |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.1 | - |
2,3-dimethyl-1,4-naphthoquinone | at 50°C, pH 6.5 | Acidianus ambivalens | |
0.15 | - |
menadione | at 50°C, pH 6.5 | Acidianus ambivalens | |
0.38 | - |
decylubiquinone | at 50°C, pH 6.5 | Acidianus ambivalens | |
0.43 | - |
caldariella quinone | at 50°C, pH 6.5 | Acidianus ambivalens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
FAD | covalently bound | Acidianus ambivalens |