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HAMAP rule MF_01386

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General rule information [?]

Accession MF_01386
Dates 26-JUN-2008 (Created)
17-FEB-2023 (Last updated, Version 11)
Name PSII_PsbX_1
Bacteria; Cyanobacteriota
Templates P72575 (PSBX_SYNY3); Q9F1R6 (PSBX_THEVB): [Recover all]

Propagated annotation [?]

Identifier, protein and gene names [?]

Protein name
RecName: Full=Photosystem II reaction center X protein;
Gene name

Comments [?]

Function Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II.
Subunit PSII consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. PSII forms dimeric complexes.
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.
Subcellular location Cellular thylakoid membrane; Single-pass membrane protein.
end case
Similarity Belongs to the PsbX family. Type 1 subfamily.

Keywords [?]

case <OC:Gloeobacter>
end case

Gene Ontology [?]

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.
GO:0042651; Cellular component: thylakoid membrane.
end case

Cross-references [?]

Pfam PF06596; PsbX; 1;

Computed features [?]

General Transmembrane; -; 1; trigger=yes;

Additional information [?]

Size range 36-41 amino acids
Related rules MF_01388 (PSBX supersedes the current rule)
Fusion None
Comments There are 2 psbX subfamilies; this one and a longer one found in most but not all Prochlorococcus.