Replacement or exclusion of the B-branch bacteriopheophytin in the purple bacterial reaction centre: The HB cofactor is not required for assembly or core function of the Rhodobacter sphaeroides complex
Keywords: BA; first electron acceptor; B*; accessory bacteriochlorophyll singlet excited state; BA, BB; monomeric bacteriochlorophyll cofactors; BChl; bacteriochlorophyll; Bcl.; Blastochloris; BPhe; bacteriopheophytin; FTIR; Fourier transform infrared; HA, HB; bact