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UniProt functional annotation for Q8DKM3 | ||
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| UniProt code: Q8DKM3. |
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| Organism: | |
Thermosynechococcus elongatus (strain BP-1). |
| Taxonomy: | |
Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Thermosynechococcus. |
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| Function: | |
Loosely associated component of the core of photosystem II, it is not always seen in crystals. PSII is a light-driven water plastoquinone oxidoreductase, using light energy to abstract electrons from H(2)O, generating a proton gradient subsequently used for ATP formation. {ECO:0000255|HAMAP-Rule:MF_00717, ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739, ECO:0000303|PubMed:19219048}. |
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| Cofactor: | |
Note=PSII binds multiple chlorophylls, carotenoids and specific lipids. {ECO:0000269|PubMed:17935689, ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739}; |
| Subunit: | |
Cyanobacterial PSII is composed of 1 copy each of membrane proteins PsbA, PsbB, PsbC, PsbD, PsbE, PsbF, PsbH, PsbI, PsbJ, PsbK, PsbL, PsbM, PsbT, PsbX, PsbY, PsbZ, Ycf12, 3 peripheral proteins PsbO, PsbU, PsbV and a large number of cofactors. It forms dimeric complexes. This protein is only loosely associated with PSII, and is not often found in crystals. {ECO:0000269|PubMed:17935689, ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739}. |
| Subcellular location: | |
Cellular thylakoid membrane {ECO:0000255|HAMAP- Rule:MF_00717, ECO:0000269|PubMed:17935689, ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739}; Single-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00717, ECO:0000269|PubMed:17935689, ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739}. |
| Mass spectrometry: | |
Mass=4617; Mass_error=4; Method=MALDI; Evidence={ECO:0000269|PubMed:19219048}; |
| Mass spectrometry: | |
Mass=4614; Method=MALDI; Evidence={ECO:0000269|PubMed:20558739}; |
| Similarity: | |
Belongs to the PsbY family. {ECO:0000255|HAMAP- Rule:MF_00717}. |
| Sequence caution: | |
Sequence=BAC08388.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305}; |
Annotations taken from UniProtKB at the EBI.