Leenders, E.J.M.Guidoni, L.Rothlisberger, U.Bolhuis, P.G.Meijer, E.J.2007-06-052007-06-052007-06-05200710.1021/jp067158bhttps://infoscience.epfl.ch/handle/20.500.14299/7555WOS:00024543870002410449Protonation of the chromophore in the photoactive yellow proteintext::journal::journal article::research article