Home  |  Contact
Annotation rule MF_00438
Send feedback

General rule information [?]

Accession MF_00438
Dates 22-AUG-2001 (Created)
18-NOV-2019 (Last updated, Version 31)
Name PSII_PsbM
Scope
Bacteria; Cyanobacteria
Plastid
Templates Q8DHA7 (PSBM_THEEB); P12312 (PSBM_THEVL); P72701 (PSBM_SYNY3); P62111 (PSBM_TOBAC): [Recover all]

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
PSBM
Protein name
RecName: Full=Photosystem II reaction center protein M;
Short=PSII-M;
Gene name
psbM

Comments [?]

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. This subunit is found at the monomer-monomer interface.
case <OC:Cyanobacteria>
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, 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 PsbM family.

Keywords [?]

case <OC:Gloeobacter>
else
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.
else
GO:0042651; Cellular component: thylakoid membrane.
end case

Cross-references [?]

Pfam PF05151; PsbM; 1;
TIGRFAMs TIGR03038; PS_II_psbM; 1;

Computed features [?]

General Transmembrane; -; 1; trigger=yes;

Additional information [?]

Size range 31-52 amino acids
Related rules None
Fusion None