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Literature summary for 1.3.5.1 extracted from

  • Moll, R.; Schäfer, G.
    Purification and characterisation of an archaebacterial succinate dehydrogenase complex from the plasma membrane of the thermoacidophile Sulfolobus acidocaldarius. (1991), Eur. J. Biochem., 201, 593-600.
    View publication on PubMed

Inhibitors

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 [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

Localization Comment Organism GeneOntology No. Textmining
plasma membrane
-
Sulfolobus acidocaldarius 5886
-

Metals/Ions

Metals/Ions Comment Organism Structure
Iron the enzyme complex contains 102.4 nmol/mg iron Sulfolobus acidocaldarius

Molecular Weight [Da]

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/ Products (Substrates)

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

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 (Commentary)

Purification (Comment) Organism
-
Sulfolobus acidocaldarius

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
7.5
-
pH 6.5, 55°C Sulfolobus acidocaldarius

Substrates and Products (Substrate)

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

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 [°C] Temperature Optimum Maximum [°C] Comment Organism
81
-
-
Sulfolobus acidocaldarius

Temperature Range [°C]

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 [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
1 h, stable Sulfolobus acidocaldarius

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Sulfolobus acidocaldarius

pH Range

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

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