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Literature summary extracted from

  • Saruta, F.; Kuramochi, T.; Nakamura, K.; Takamiya, S.; Yu, Y.; Aoki, T.; Sekimizu, K.; Kojima, S.; Kita, K.
    Stage-specific isoforms of complex II (succinate-ubiquinone oxidoreductase) in mitochondria from the parasitic nematode, Ascaris suum (1995), J. Biol. Chem., 270, 928-932.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.3.5.1 2-Thenoyltrifluoroacetone 15% inhibition of succinate dehydrogenase activity of larval and adult complex II at 0.1 mM Ascaris suum
1.3.5.1 carboxin 15% inhibition of succinate dehydrogenase activity of larval and adult complex II at 0.001 mM Ascaris suum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3.5.1 0.003
-
ubiquinone-1 larval and adult complex II Ascaris suum
1.3.5.1 0.143
-
fumarate complex II from adult nematode Ascaris suum
1.3.5.1 0.153
-
succinate complex II from larvae Ascaris suum
1.3.5.1 0.455
-
fumarate complex II from larvae Ascaris suum
1.3.5.1 0.608
-
succinate complex II from adult nematode Ascaris suum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.3.5.1 mitochondrion of the adult parasitic nematode and of free living second stage larvae Ascaris suum 5739
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.3.5.1 120000
-
larval and adult complex II, non-denaturating PAGE Ascaris suum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.3.5.1 additional information Ascaris suum complex II from mitochondria of the adult parasitic nematode exhibits a high fumarate reductase activity and plays a key role in the anaerobic electron transport observed in these organelles ?
-
?
1.3.5.1 succinate + ubiquinone Ascaris suum
-
fumarate + ubiquinol
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.3.5.1 Ascaris suum
-
succinate dehydrogenase
-
1.3.5.1 Ascaris suum
-
fumarate reductase
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.3.5.1 using solubilization with sucrose monolaurate and column chromatography on DEAE-cellulose Ascaris suum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.3.5.1 muscle
-
Ascaris suum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.3.5.1 0.706
-
complex II from larvae, fumarate reductase activity Ascaris suum
1.3.5.1 3.53
-
complex II from adult nematode, succinate dehydrogenase activity Ascaris suum
1.3.5.1 4.28
-
complex II from larvae, succinate dehydrogenase activity Ascaris suum
1.3.5.1 28.9
-
complex II from adult nematode, fumarate reductase activity Ascaris suum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.5.1 additional information fumarate reductase activity of larval complex II is less than 3% of that of adult enzyme, complex II of adult nematode functions in the reverse direction as a fumarate reductase rather than as a succinate dehydrogenase Ascaris suum ?
-
?
1.3.5.1 additional information complex II from mitochondria of the adult parasitic nematode exhibits a high fumarate reductase activity and plays a key role in the anaerobic electron transport observed in these organelles Ascaris suum ?
-
?
1.3.5.1 succinate + ubiquinone
-
Ascaris suum fumarate + ubiquinol
-
?
1.3.5.1 succinate + ubiquinone the succinate dehydrogenase activity of mitochondria in adults and larvae are comparable Ascaris suum fumarate + ubiquinol
-
?