“…It is important to note that ABCB1 is in a mutual relationship with its membrane environment, that is, not only the membrane lipids alter the function of ABCB1 but this protein may actively modify its lipid environment (for reviews, see Denning & Beckstein, 2013;Orlowski et al, 2006;Peetla, Vijayaraghavalu, & Labhasetwar, 2013;Pohl, Devaux, & Herrmann, 2005;Sharom, 2014). ABCG2 is less characterized in this respect, but lipid interactions certainly affect its function.…”