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Literature summary for 7.1.1.8 extracted from

  • Ritter, M.; Anderka, O.; Ludwig, B.; Mantele, W.; Hellwig, P.
    Electrochemical and FTIR spectroscopic characterization of the cytochrome bc1 complex from Paracoccus denitrificans: evidence for protonation reactions coupled to quinone binding (2003), Biochemistry, 42, 12391-12399.
    View publication on PubMed

Metals/Ions

Metals/Ions Comment Organism Structure
Iron enzyme contains 2 cytochromes with heme groups, enzyme contains a Rieske [2Fe-2S] cluster, structure analysis of the Rieske ISP and of soluble fragments thereof Paracoccus denitrificans

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ubiquinol-2 + 2 ferricytochrome c Paracoccus denitrificans
-
ubiquinone-2 + 2 ferrocytochrome c + 2 H+
-
?

Organism

Organism UniProt Comment Textmining
Paracoccus denitrificans
-
-
-

Purification (Commentary)

Purification (Comment) Organism
purification of cytochrome c1, and the Rieske ISP with soluble fragments Paracoccus denitrificans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information protonation reactions coupled to quinone binding, binding of 2.3-2.6 quinones per enzyme monomer at the Qo side, conformational changes Paracoccus denitrificans ?
-
?
ubiquinol-2 + 2 ferricytochrome c
-
Paracoccus denitrificans ubiquinone-2 + 2 ferrocytochrome c + 2 H+
-
?

Subunits

Subunits Comment Organism
More spectroscopic enzyme complex composition analysis, structural changes upon cofactor or substrate binding, overview Paracoccus denitrificans

Synonyms

Synonyms Comment Organism
cytochrome bc1 complex
-
Paracoccus denitrificans

Cofactor

Cofactor Comment Organism Structure
cytochrome c1
-
Paracoccus denitrificans