UniProt functional annotation for P00118

UniProt code: P00118.

Organism: Limnospira maxima (Arthrospira maxima).
Taxonomy: Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales; Microcoleaceae; Limnospira.
 
Function: Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis. {ECO:0000305}.
 
Biophysicochemical properties: Redox potential: E(0) is +314 mV.;
Subunit: Monomer. Homodimer, or even higher oligomerization, in crystal structures (PubMed:11478889, PubMed:12077429). {ECO:0000269|PubMed:11478889, ECO:0000269|PubMed:12077429}.
Subcellular location: Cellular thylakoid lumen {ECO:0000305}.
Ptm: Binds 1 heme group per subunit. {ECO:0000269|PubMed:11478889, ECO:0000269|PubMed:12077429}.
Similarity: Belongs to the cytochrome c family. PetJ subfamily. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.