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Literature summary extracted from

  • Takamiya, K.I.
    Enzymatic properties of ubiquinol:cytochrome c2 oxidoreductase in situ in Rhodopseudomonas palustris membranes (1988), J. Biochem., 103, 755-758.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
7.1.1.8 Antimycin inhibits ubiquinone reduction at the Qc site of the enzyme Rhodopseudomonas palustris
7.1.1.8 Myxothiazol inhibits ubiquinone reduction at the Qz site of the enzyme Rhodopseudomonas palustris
7.1.1.8 Myxothiazol
-
 Rhodospirillum rubrum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
7.1.1.8 0.006
-
 horse heart cytochrome c
-
 Rhodopseudomonas palustris
7.1.1.8 0.023
-
 cytochrome c2 MgCl2 20 mM Rhodopseudomonas palustris
7.1.1.8 0.025
-
 horse heart cytochrome c MgCl2 5 mM Rhodopseudomonas palustris
7.1.1.8 0.03
-
 cytochrome c2 MgCl2 5 mM Rhodopseudomonas palustris
7.1.1.8 0.08
-
 ubiquinol-1
-
 Rhodopseudomonas palustris

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
7.1.1.8 chromatophore inner surface of the chromatophore membrane Rhodopseudomonas palustris
-
-
7.1.1.8 membrane
-
 Rhodopseudomonas palustris 16020
-
7.1.1.8 membrane
-
 Rhodospirillum rubrum 16020
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
7.1.1.8 ubiquinone-10 + ferricytochrome c Rhodopseudomonas palustris
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinone-10 + ferricytochrome c Rhodospirillum rubrum
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinone-10 + ferricytochrome c Rhodopseudomonas palustris Morita
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
7.1.1.8 Rhodopseudomonas palustris
-
-
-
7.1.1.8 Rhodopseudomonas palustris Morita
-
-
-
7.1.1.8 Rhodospirillum rubrum
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
7.1.1.8 ubiquinol + 2 ferricytochrome c
-
 Rhodopseudomonas palustris ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinol + 2 ferricytochrome c
-
 Rhodospirillum rubrum ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinol + 2 ferricytochrome c
-
 Rhodopseudomonas palustris Morita ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinol + cytochrome c2
-
 Rhodopseudomonas palustris ubiquinone + reduced cytochrome c2
-
 ?
7.1.1.8 ubiquinol + cytochrome c2
-
 Rhodopseudomonas palustris Morita ubiquinone + reduced cytochrome c2
-
 ?
7.1.1.8 ubiquinol + horse heart cytochrome c
-
 Rhodopseudomonas palustris ?
-
 ?
7.1.1.8 ubiquinol + horse heart cytochrome c
-
 Rhodopseudomonas palustris Morita ?
-
 ?
7.1.1.8 ubiquinone-10 + ferricytochrome c
-
 Rhodopseudomonas palustris ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinone-10 + ferricytochrome c
-
 Rhodospirillum rubrum ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
7.1.1.8 ubiquinone-10 + ferricytochrome c
-
 Rhodopseudomonas palustris Morita ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
7.1.1.8 7
-
-
 Rhodopseudomonas palustris

pH Range

EC Number pH Minimum pH Maximum Comment Organism
7.1.1.8 6 8
-
 Rhodopseudomonas palustris

Cofactor

EC Number Cofactor Comment Organism Structure
7.1.1.8 cytochrome c1
-
 Rhodopseudomonas palustris
7.1.1.8 cytochrome c1
-
 Rhodospirillum rubrum
7.1.1.8 ubiquinone
-
 Rhodospirillum rubrum