UniProt functional annotation for Q3J170

UniProt code: Q3J170.

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}.
 
Cofactor: Name=bacteriochlorophyll; Xref=ChEBI:CHEBI:38201; Evidence={ECO:0000250}; Note=Binds 4 bacteriochlorophylls per trimer. {ECO:0000250};
Cofactor: Name=a bacteriopheophytin; Xref=ChEBI:CHEBI:60411; Evidence={ECO:0000250}; Note=Binds 2 bacteriopheophytins per trimer. {ECO:0000250};
Cofactor: Name=Fe cation; Xref=ChEBI:CHEBI:24875; Evidence={ECO:0000250}; Note=Binds 1 Fe cation per trimer. {ECO:0000250};
Cofactor: Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250}; Note=Binds 4 Mg(2+) ions per trimer. {ECO:0000250};
Cofactor: Name=a ubiquinone; Xref=ChEBI:CHEBI:16389; Evidence={ECO:0000250}; Note=Binds 2 ubiquinone per trimer. {ECO:0000250};
Subunit: Heterotrimer composed of subunits L, M, and H. {ECO:0000250}.
Subcellular location: Cellular chromatophore membrane; Single-pass membrane protein.
Similarity: Belongs to the reaction center PuhA family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.