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Literature summary for 7.1.1.8 extracted from

  • Kriauciunas, A.; Yu, L.; Yu, C.A.; Wynn, R.M.; Knaff, D.B.
    The Rhodospirillum rubrum cytochrome bc1 complex: peptide composition, prosthetic group content and quinone binding (1989), Biochim. Biophys. Acta, 976, 70-76.
    View publication on PubMed
Search for more literature for 7.1.1.8

Inhibitors

Inhibitors Comment Organism Structure
3-[3H]azido-2-methyl-5-methoxy-6-geranyl-1,4-benzoquinone azidoQ Rhodospirillum rubrum
antimycin A
-
 Cereibacter sphaeroides
antimycin A
-
 Rhodospirillum rubrum
Myxothiazol
-
 Cereibacter sphaeroides
Myxothiazol
-
 Rhodospirillum rubrum

Metals/Ions

Metals/Ions Comment Organism Structure
Iron-sulfur cluster
-
 Cereibacter sphaeroides
Iron-sulfur cluster
-
 Rhodospirillum rubrum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
22400
-
 1 * 35000 + 1 * 31000 + 1 * 22400, cytochrome b, cytochrome c1 and Rieske iron-sulfur protein, SDS-PAGE Rhodospirillum rubrum
31000
-
 1 * 35000 + 1 * 31000 + 1 * 22400, cytochrome b, cytochrome c1 and Rieske iron-sulfur protein, SDS-PAGE Rhodospirillum rubrum
35000
-
 1 * 35000 + 1 * 31000 + 1 * 22400, cytochrome b, cytochrome c1 and Rieske iron-sulfur protein, SDS-PAGE Rhodospirillum rubrum
88400
-
 calculation from subunit composition, assuming stoechiometry of 1:1:1 Rhodospirillum rubrum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ubiquinone-10 + ferricytochrome c Cereibacter sphaeroides
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
ubiquinone-10 + ferricytochrome c Rhodobacter capsulatus
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
ubiquinone-10 + ferricytochrome c Rhodospirillum rubrum
-
 ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?

Organism

Organism UniProt Comment Textmining
Cereibacter sphaeroides
-
-
-
Rhodobacter capsulatus
-
-
-
Rhodospirillum rubrum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Rhodospirillum rubrum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2,3-dimethoxy-5-methyl-6-(10-bromodecyl)-1,4-benzoquinol + 2 ferricytochrome c
-
 Rhodospirillum rubrum 2,3-dimethoxy-5-methyl-6-(10-bromodecyl)-1,4-benzoquinone + ferrocytochrome c + 2 H+[side 2]
-
 ?
quinol + 2 ferricytochrome c1
-
 Rhodospirillum rubrum quinone + 2 ferrocytochrome c1 + H+ [side 2]
-
 ?
ubiquinol + 2 ferricytochrome c
-
 Cereibacter sphaeroides ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
ubiquinol + 2 ferricytochrome c
-
 Rhodobacter capsulatus ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
ubiquinol + 2 ferricytochrome c
-
 Rhodospirillum rubrum ubiquinone + 2 ferrocytochrome c + 2 H+
-
 ?
ubiquinone-10 + ferricytochrome c
-
 Cereibacter sphaeroides ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
ubiquinone-10 + ferricytochrome c
-
 Rhodobacter capsulatus ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?
ubiquinone-10 + ferricytochrome c
-
 Rhodospirillum rubrum ubiquinol-10 + ferrocytochrome c + 2 H+
-
 ?

Subunits

Subunits Comment Organism
trimer
-
 Cereibacter sphaeroides
trimer
-
 Rhodobacter capsulatus
trimer 1 * 35000 + 1 * 31000 + 1 * 22400, cytochrome b, cytochrome c1 and Rieske iron-sulfur protein, SDS-PAGE Rhodospirillum rubrum

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.25
-
 2 ferricytochrome c1
-
 Rhodospirillum rubrum
66.7
-
 2,3-Dimethoxy-5-methyl-6-(10-bromodecyl)-1,4-benzoquinol
-
 Rhodospirillum rubrum

Cofactor

Cofactor Comment Organism Structure
bacteriochlorophyll
-
 Rhodospirillum rubrum
cytochrome b
-
 Cereibacter sphaeroides
cytochrome b protoheme Rhodospirillum rubrum
cytochrome c1
-
 Cereibacter sphaeroides
cytochrome c1 heme c Rhodospirillum rubrum