HAMAP rule MF_00441
General rule information
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Accession | MF_00441 |
Dates | 23-AUG-2001 (Created) 17-FEB-2023 (Last updated, Version 22) |
Name | PSII_PsbK |
Scope | Bacteria; Cyanobacteriota
Plastid |
Templates | P12163 (PSBK_SPIOL); P18263 (PSBK_CHLRE): [Recover all] |
Triggered by |
Propagated annotation
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Identifier, protein and gene names
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Identifier |
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Protein name |
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Gene name |
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Comments
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Function | One of the components of the core complex of photosystem II (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. |
case <OC:Cyanobacteriota>
Subunit | Cyanobacteriotal 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, at least 3 peripheral proteins PsbO, PsbU, PsbV and a large number of cofactors. It forms dimeric complexes. |
else
Subunit | 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, at least 3 peripheral proteins of the oxygen-evolving complex and a large number of cofactors. It forms dimeric complexes. |
end case
case <OG:Chloroplast>
Subcellular location | Plastid, chloroplast thylakoid membrane; Single-pass membrane protein. |
else case <OC:Gloeobacter>
Subcellular location | Cell inner membrane; Single-pass membrane protein. |
else
Subcellular location | Cellular thylakoid membrane; Single-pass membrane protein. |
end case
Similarity | Belongs to the PsbK family. |
Keywords
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case <OC:Gloeobacter>
else
end case
Gene Ontology
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GO:0015979; Biological process: photosynthesis.
case <OG:Chloroplast>
GO:0009535; Cellular component: chloroplast thylakoid membrane.
else case <OC:Gloeobacter>
GO:0005886; Cellular component: plasma membrane.
else
GO:0042651; Cellular component: thylakoid membrane.
end case
Cross-references
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Pfam | PF02533; PsbK; 1; |
Features
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From: PSBK_SYNY3 (P15819) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
PROPEP | Nter | 8 | ||||||||||
CHAIN | 9 | Cter | Photosystem II reaction center protein K |
Additional information
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Size range | 41-61 amino acids |
Related rules | None |
Fusion | None |