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IPR023960 is a Cytochrome b6-f complex iron-sulfur subunit.
<p>This entry represents the Rieske FeS protein (encoded by the PetC gene) of the cytochrome b6f complex from plants and cyanobacteria. The Rieske subunit acts by binding plastoquinol anion, transferring an electron to the 2Fe-2S cluster, then releasing the electron to the cytochrome f haem iron. The 2Fe-2S cluster is bound in the highly conserved C-terminal region of the Rieske subunit. In plants, Rieske FeS is required for the successful assembly of the b6f complex and is essential for photosynthesis [[cite:PUB00093900], [cite:PUB00093899]].</p> <p>The plant cytochrome b6f is located in the thylakoid membrane and functions in both linear and cyclic electron transport, providing ATP and NADPH for photosynthetic carbon fixation. The cytochrome b6f complex has eight different subunits, six being encoded in the chloroplast genome (PetA [cyt f], PetB [cyt b6], PetD, PetG, PetL, and PetN) and two in the nucleus (PetC [Rieske FeS] and PetM. The complex functions as a dimer [[cite:PUB00093900]].</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 |
|---|---|---|---|---|
| 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+. | ||
| Cellular component | Membrane | A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it. | ||
| Molecular function | Electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity | Enables the directed movement of electrons within the cytochrome b6/f complex of photosystem II. |
| Transcript | Name | Description | Predicted domains | Domain count |
|---|---|---|---|---|
| – | PREDICTED: cytochrome b6-f complex iron-sulfur subunit, chloroplastic-like [Glycine max] gi|356549980|ref|XP_003543368.1| | 19 | ||
| – | Cytochrome b6-f complex iron-sulfur subunit; TAIR: AT4G03280.1 photosynthetic electron transfer C; Swiss-Prot: sp|P26291|UCRIA_PEA Cytochrome b6-f complex iron-sulfur subunit, chloroplastic; TrEMBL-Plants: tr|I3RZ73|I3RZ73_LOTJA Cytochrome b6-f complex iron-sulfur subunit; Found in the gene: LotjaGi3g1v0438600 | 20 | ||
| – | Cytochrome b6-f complex iron-sulfur subunit; TAIR: AT4G03280.1 photosynthetic electron transfer C; Swiss-Prot: sp|P26291|UCRIA_PEA Cytochrome b6-f complex iron-sulfur subunit, chloroplastic; TrEMBL-Plants: tr|I3RZ73|I3RZ73_LOTJA Cytochrome b6-f complex iron-sulfur subunit; Found in the gene: LotjaGi3g1v0438600 | 20 |
A list of co-occurring predicted domains within the L. japonicus gene space:
| Predicted domain | Source | Observations | Saturation (%) |
|---|---|---|---|
| cd03471 | CDD | 1 | 33.33 |