Any feedback?
Literature summary for 7.1.1.8 extracted from
- Enzymatic properties of ubiquinol:cytochrome c2 oxidoreductase in situ in Rhodopseudomonas palustris membranes (1988), J. Biochem., 103, 755-758.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Antimycin | inhibits ubiquinone reduction at the Qc site of the enzyme | Rhodopseudomonas palustris |  |
| Myxothiazol | inhibits ubiquinone reduction at the Qz site of the enzyme | Rhodopseudomonas palustris | |
| Myxothiazol | - |
Rhodospirillum rubrum | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.006 | - |
horse heart cytochrome c | - |
Rhodopseudomonas palustris | |
| 0.023 | - |
cytochrome c2 | MgCl2 20 mM | Rhodopseudomonas palustris | |
| 0.025 | - |
horse heart cytochrome c | MgCl2 5 mM | Rhodopseudomonas palustris | |
| 0.03 | - |
cytochrome c2 | MgCl2 5 mM | Rhodopseudomonas palustris | |
| 0.08 | - |
ubiquinol-1 | - |
Rhodopseudomonas palustris | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chromatophore | inner surface of the chromatophore membrane | Rhodopseudomonas palustris | - |
- |
| membrane | - |
Rhodopseudomonas palustris | 16020 | - |
| membrane | - |
Rhodospirillum rubrum | 16020 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ubiquinone-10 + ferricytochrome c | Rhodopseudomonas palustris | - |
ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinone-10 + ferricytochrome c | Rhodospirillum rubrum | - |
ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinone-10 + ferricytochrome c | Rhodopseudomonas palustris Morita | - |
ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Rhodopseudomonas palustris | - |
- |
- |
| Rhodopseudomonas palustris Morita | - |
- |
- |
| Rhodospirillum rubrum | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| ubiquinol + 2 ferricytochrome c | - |
Rhodopseudomonas palustris | ubiquinone + 2 ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinol + 2 ferricytochrome c | - |
Rhodospirillum rubrum | ubiquinone + 2 ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinol + 2 ferricytochrome c | - |
Rhodopseudomonas palustris Morita | ubiquinone + 2 ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinol + cytochrome c2 | - |
Rhodopseudomonas palustris | ubiquinone + reduced cytochrome c2 | - |
? | |
| ubiquinol + cytochrome c2 | - |
Rhodopseudomonas palustris Morita | ubiquinone + reduced cytochrome c2 | - |
? | |
| ubiquinol + horse heart cytochrome c | - |
Rhodopseudomonas palustris | ? | - |
? | |
| ubiquinol + horse heart cytochrome c | - |
Rhodopseudomonas palustris Morita | ? | - |
? | |
| ubiquinone-10 + ferricytochrome c | - |
Rhodopseudomonas palustris | ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinone-10 + ferricytochrome c | - |
Rhodospirillum rubrum | ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
| ubiquinone-10 + ferricytochrome c | - |
Rhodopseudomonas palustris Morita | ubiquinol-10 + ferrocytochrome c + 2 H+ | - |
? | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
- |
Rhodopseudomonas palustris |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 8 | - |
Rhodopseudomonas palustris |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| cytochrome c1 | - |
Rhodopseudomonas palustris | |
| cytochrome c1 | - |
Rhodospirillum rubrum | |
| ubiquinone | - |
Rhodospirillum rubrum | |
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