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||p.161 3rd paragraph:"The enzyme is present in bacterial plasma membranes and chloroplast thylakoids, where it contains 8 and 9 subunits, respectively (primary sources Borghese et al,. 1998 Richter et al,. 2000), and in mitochondria, where it is located in the inner membrane and consists of at least 15 and 17 different subunits in mammals and yeasts, respectively (primary source Wittig and Schägger, 2008)."