UniProt functional annotation for Q3J1A5

UniProt code: Q3J1A5.

Organism: Rhodobacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) (Cereibacter sphaeroides).
Taxonomy: Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales; Rhodobacteraceae; Luteovulum.
 
Function: The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis. {ECO:0000250}.
 
Subunit: Reaction center is composed of four bacteriochlorophylls, two bacteriopheophytins, two ubiquinones, one iron, and three highly hydrophobic polypeptide chains (designated L, M, and H). {ECO:0000250}.
Subcellular location: Cellular chromatophore membrane {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}.
Similarity: Belongs to the reaction center PufL/M/PsbA/D family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.