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IPR030689 is a Cytochrome b.
<p>Cytochrome b is a component of the ubiquinol-cytochrome c reductase complex (complex III or cytochrome b-c1 complex) in the mitochondrion of eukaryotes and in aerobic prokaryotes [[cite:PUB00073688]]. This complex is involved in electron transport that generates an electrochemical potential coupled to ATP synthesis. Cytochrome b is the central redox catalytic subunit of the complex. It is involved in the binding of the quinone substrate and is responsible for the transmembrane electron transfer by which redox energy is converted into a protonmotive force [[cite:PUB00000640]].</p>
This description is obtained from EB-eye REST.
GO predictions are based solely on the InterPro-to-GO mappings published by EMBL-EBI, which are in turn based on the mapping of predicted domains to the InterPro dataset. The InterPro-to-GO mapping was last updated on , while the GO metadata was last updated on .
| GO term | Namespace | Name | Definition | Relationships |
|---|---|---|---|---|
| Biological process | Mitochondrial electron transport, ubiquinol to cytochrome c | The transfer of electrons from ubiquinol to cytochrome c that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex III. | ||
| Molecular function | Ubiquinol-cytochrome-c reductase activity | Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: CoQH2 + 2 ferricytochrome c = CoQ + 2 ferrocytochrome c + 2 H+. | ||
| Molecular function | Electron transfer activity | Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient. | ||
| Cellular component | Respiratory chain complex III | A protein complex that transfers electrons from ubiquinol to cytochrome c and translocates two protons across a membrane. The complex contains a core structure of three catalytic subunits: cytochrome b, the Rieske iron sulfur protein (ISP), and cytochrome c1, which are arranged in an integral membrane-bound dimeric complex; additional subunits are present, and vary among different species. |
| Transcript | Name | Description | Predicted domains | Domain count |
|---|---|---|---|---|
| – | Cytochrome b [Medicago truncatula] gi|357436139|ref|XP_003588345.1| | 21 |
A list of co-occurring predicted domains within the L. japonicus gene space:
| Predicted domain | Source | Observations | Saturation (%) |
|---|---|---|---|
| cd00290 | CDD | 1 | 100.00 |