November 20, 2023 Bittl, R., S.G. Zech, P. Fromme, H.T. Witt, and W. Lubitz, (1997) Pulsed EPR structure analysis of photosystem I single crystals: localization of the phylloquinone acceptor. Biochemistry, 36(40): 12001-12004. Home » Bittl, R., S.G. Zech, P. Fromme, H.T. Witt, and W. Lubitz, (1997) Pulsed EPR structure analysis of photosystem I single crystals: localization of the phylloquinone acceptor. Biochemistry, 36(40): 12001-12004.