6GV1:
reference: Outward open conformation of a Major Facilitator Superfamily multidrug/H(+) antiporter provides insights into switching mechanism., Nagarathinam K, Nakada-Nakura Y, Parthier C, Terada T, Juge N, Jaenecke F, Liu K, Hotta Y, Miyaji T, Omote H, Iwata S, Nomura N, Stubbs MT, Tanabe M, Nat Commun. 2018 Oct 1;9(1):4005. doi: 10.1038/s41467-018-06306-x. PMID: 30275448

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