6BAJ:
reference: Structure and activity of lipid bilayer within a membrane-protein transporter., Qiu W, Fu Z, Xu GG, Grassucci RA, Zhang Y, Frank J, Hendrickson WA, Guo Y, Proc Natl Acad Sci U S A. 2018 Dec 3. pii: 1812526115. doi:, 10.1073/pnas.1812526115. PMID: 30509977

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