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- FUNCTION: Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions (By similarity).
- CATALYTIC ACTIVITY: Plastoquinol-1 + 2 oxidized plastocyanin = plastoquinone + 2 reduced plastocyanin.
- COFACTOR: Binds 1 2Fe-2S cluster per subunit (By similarity).
- SUBUNIT: The 4 large subunits of the cytochrome b6-f complex are cytochrome b6, subunit IV (17 kDa polypeptide, petD), cytochrome f and the Rieske protein, while the 4 small subunits are petG, petL, petM and petN. The complex functions as a dimer (By similarity).
- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane; Single-pass membrane protein (By similarity). Note=The transmembrane helix obliquely spans the membrane in one monomer, and its extrinsic C-terminal domain is part of the other monomer (By similarity).
- MISCELLANEOUS: This protein is 1 of 2 subunits of the cytochrome b6-f complex that are encoded in the nucleus.
- MISCELLANEOUS: The Rieske iron-sulfur protein is a high potential 2Fe-2S protein.
- SIMILARITY: Contains 1 Rieske domain.
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Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms.
Distributed under the Creative Commons Attribution-NoDerivs License.
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| Length: 252 AA [This is the length of the unprocessed precursor] |
Molecular weight: 26862 Da [This is the MW of the unprocessed precursor] |
CRC64: 9BDD2C12697EF92A [This is a checksum on the sequence] |
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10 20 30 40 50 60
MAQSRSLLLS IAVNALLVGV LLYSVAVNRT QEGSLQLSAV RGKIAAPRTS FQNAVSRVSR
70 80 90 100 110 120
NQLPSSSRKA VAQAFLSNPD MVPDMGKRKL MNNLVLAAVA PVVASAGGCY LYYFYPPQTG
130 140 150 160 170 180
GGGGAVGALD ALGNPVSAES WFKSHKKNAR DLVQGIKGDP TYLIVNDDGS TLNSYGLNAI
190 200 210 220 230 240
CTHLGCVVPW DAASNKFKCP CHGSQYAPDG HVVRGPAPRP LQLAHVEDDN GKILLSPWTE
250
TDFRTGEKPW WA
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Q7XYM4 in FASTA format |
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