Inhibitors | Comment | Organism | Structure |
---|---|---|---|
malonate | - |
Sulfolobus acidocaldarius | |
oxaloacetate | - |
Sulfolobus acidocaldarius | |
tetrachlorobenzoquinone | strong inhibition of succinate-phenazine methosulfate-(1,4-dichloroindophenol) oxidoreductase | Sulfolobus acidocaldarius |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0654 | - |
oxidized 2,6-dichlorophenolindophenol | pH 6.5, 55°C | Sulfolobus acidocaldarius | |
0.0991 | - |
oxidized N,N,N',N'-tetramethyl-4-phenylenediamine | pH 6.5, 55°C | Sulfolobus acidocaldarius | |
0.18 | - |
caldariellaquinone | pH 6.5, 55°C | Sulfolobus acidocaldarius | |
0.295 | - |
oxidized phenazine methosulfate | pH 6.5, 55°C | Sulfolobus acidocaldarius | |
1.14 | - |
ferrocyanide | pH 6.5, 55°C | Sulfolobus acidocaldarius | |
1.42 | - |
succinate | pH 6.5, 55°C | Sulfolobus acidocaldarius |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
plasma membrane | - |
Sulfolobus acidocaldarius | 5886 | - |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Iron | the enzyme complex contains 102.4 nmol/mg iron | Sulfolobus acidocaldarius |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
12800 | - |
x * 66000 (subunit a) + x * 31000 (subunit b) + x * 28000 (subunit c) + x * 12800 (subunit d), the four subunits are present in an equimolar stoichiometry, SDS-PAGE | Sulfolobus acidocaldarius |
28000 | - |
x * 66000 (subunit a) + x * 31000 (subunit b) + x * 28000 (subunit c) + x * 12800 (subunit d), the four subunits are present in an equimolar stoichiometry, SDS-PAGE | Sulfolobus acidocaldarius |
31000 | - |
x * 66000 (subunit a) + x * 31000 (subunit b) + x * 28000 (subunit c) + x * 12800 (subunit d), the four subunits are present in an equimolar stoichiometry, SDS-PAGE | Sulfolobus acidocaldarius |
66000 | - |
x * 66000 (subunit a) + x * 31000 (subunit b) + x * 28000 (subunit c) + x * 12800 (subunit d), the four subunits are present in an equimolar stoichiometry, SDS-PAGE | Sulfolobus acidocaldarius |
141000 | - |
gel filtration | Sulfolobus acidocaldarius |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
succinate + caldariellaquinone | Sulfolobus acidocaldarius | - |
fumarate + caldariellaquinol | - |
? | |
succinate + caldariellaquinone | Sulfolobus acidocaldarius DSM 639 | - |
fumarate + caldariellaquinol | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Sulfolobus acidocaldarius | P77943 and P77944 and P77945 and P77946 | P77943: subunit sdhA (flavoprotein subunit), P77944: subunit sdhB, P77945: subunit sdhC, P77946: subunit sdhD | - |
Sulfolobus acidocaldarius DSM 639 | P77943 and P77944 and P77945 and P77946 | P77943: subunit sdhA (flavoprotein subunit), P77944: subunit sdhB, P77945: subunit sdhC, P77946: subunit sdhD | - |
Purification (Comment) | Organism |
---|---|
- |
Sulfolobus acidocaldarius |
Source Tissue | Comment | Organism | Textmining |
---|
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
7.5 | - |
pH 6.5, 55°C | Sulfolobus acidocaldarius |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
succinate + caldariellaquinone | - |
Sulfolobus acidocaldarius | fumarate + caldariellaquinol | - |
? | |
succinate + caldariellaquinone | caldariellaquinone, the physiologically acting electron mediator in Sulfolobus membranes is slowly reduced as compared to water-soluble dyes | Sulfolobus acidocaldarius | fumarate + caldariellaquinol | - |
? | |
succinate + caldariellaquinone | - |
Sulfolobus acidocaldarius DSM 639 | fumarate + caldariellaquinol | - |
? | |
succinate + caldariellaquinone | caldariellaquinone, the physiologically acting electron mediator in Sulfolobus membranes is slowly reduced as compared to water-soluble dyes | Sulfolobus acidocaldarius DSM 639 | fumarate + caldariellaquinol | - |
? | |
succinate + ferrocyanide | - |
Sulfolobus acidocaldarius | fumarate + ferricyanide | - |
? | |
succinate + ferrocyanide | - |
Sulfolobus acidocaldarius DSM 639 | fumarate + ferricyanide | - |
? | |
succinate + oxidized 2,6-dichlorophenolindophenol | - |
Sulfolobus acidocaldarius | fumarate + reduced 2,6-dichlorophenolindophenol | - |
? | |
succinate + oxidized 2,6-dichlorophenolindophenol | - |
Sulfolobus acidocaldarius DSM 639 | fumarate + reduced 2,6-dichlorophenolindophenol | - |
? | |
succinate + oxidized N,N,N',N'-tetramethyl-4-phenylenediamine | - |
Sulfolobus acidocaldarius | fumarate + reduced N,N,N',N'-tetramethyl-4-phenylenediamine | - |
? | |
succinate + oxidized N,N,N',N'-tetramethyl-4-phenylenediamine | - |
Sulfolobus acidocaldarius DSM 639 | fumarate + reduced N,N,N',N'-tetramethyl-4-phenylenediamine | - |
? | |
succinate + oxidized phenazine methosulfate | - |
Sulfolobus acidocaldarius | fumarate + reduced phenazine methosulfate | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | x * 66000 (subunit a) + x * 31000 (subunit b) + x * 28000 (subunit c) + x * 12800 (subunit d), the four subunits are present in an equimolar stoichiometry, SDS-PAGE | Sulfolobus acidocaldarius |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
81 | - |
- |
Sulfolobus acidocaldarius |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | 87 | 60°C: about 40% of maximal activity, 87°C: about 55% of maximal activity | Sulfolobus acidocaldarius |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
55 | - |
1 h, stable | Sulfolobus acidocaldarius |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Sulfolobus acidocaldarius |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.5 | 7.5 | pH 5.5: about 40% of maximal activity, pH 7.5: about 55% of maximal activity | Sulfolobus acidocaldarius |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
flavin | the enzyme complex contains non-extractable flavin. The purified complex contains 4.6 nmol/mg acid non-extractable flavin | Sulfolobus acidocaldarius |