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Literature summary for 1.3.5.1 extracted from

  • Hatefi, Y.
    The enzymes and the enzyme complexes of the mitochondrial oxidative phosphorylation system (1976), The Enzymes of Biological Membranes (Martonosi, A. V. , ed. ) Plenum, New York, 4, 3-41.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2,4-dinitrophenol activation Bos taurus
ATP activation Bos taurus
Chaotropic anions activation Bos taurus
FMNH2 activation Bos taurus
fumarate activation Bos taurus
IDP activation Bos taurus
ITP activation Bos taurus
malonate activation Bos taurus
phosphate activation Bos taurus
Phospholipids activation Bos taurus
reduced ubiquinone-10 activation Bos taurus
succinate activation Bos taurus
succinyl coenzyme A activation Bos taurus

Inhibitors

Inhibitors Comment Organism Structure
2-Thenoyltrifluoroacetone
-
Bos taurus
ferricyanide at concentrations above 3 mM Bos taurus
fumarate
-
Bos taurus
Maleate
-
Bos taurus
malonate
-
Bos taurus
Methylsuccinate
-
Bos taurus
oxaloacetate competitive inhibitor Bos taurus
thiol reagents
-
Bos taurus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.3
-
succinate
-
Bos taurus

Metals/Ions

Metals/Ions Comment Organism Structure
Fe 7-8 g-atoms of nonheme iron per 100000 g of protein Bos taurus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
100000
-
succinate dehydrogenase Bos taurus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
succinate + ubiquinone Bos taurus complex II of the mitochondrial oxidative phosphorylating system fumarate + ubiquinol
-
?

Organism

Organism UniProt Comment Textmining
Bos taurus
-
succinate dehydrogenase
-

Posttranslational Modification

Posttranslational Modification Comment Organism
lipoprotein
-
Bos taurus

Purification (Commentary)

Purification (Comment) Organism
by selective resolution of complex II with chaotropic salts Bos taurus

Renatured (Commentary)

Renatured (Comment) Organism
reconstitution from partially purified succinate dehydrogenase, cytochrome b and phospholipids, reconstitution by the reversal of chaotrope-induced resolution of complex II Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
succinate + ubiquinone
-
Bos taurus fumarate + ubiquinol
-
?
succinate + ubiquinone complex II of the mitochondrial oxidative phosphorylating system Bos taurus fumarate + ubiquinol
-
?

Cofactor

Cofactor Comment Organism Structure
ATP activation Bos taurus
cytochrome b 4.5-5 nmol cytochrome b per mg protein Bos taurus
cytochrome b cytochrome b-557.5 Bos taurus
FAD covalently bound to flavoprotein subunit Bos taurus
FAD 1 mol of covalently bound flavin per 100,000 g of protein Bos taurus
fumarate activation Bos taurus
IDP activation Bos taurus
additional information preparations of complex II contain 0.2 mg lipid per mg protein and 7-8 mol of acid-labile sulfide per 100,000 g of protein Bos taurus
ubiquinone
-
Bos taurus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0015
-
oxaloacetate
-
Bos taurus