5DLV:
reference: Steroid binding to Autotaxin links bile salts and lysophosphatidic acid signalling., Keune WJ, Hausmann J, Bolier R, Tolenaars D, Kremer A, Heidebrecht T, Joosten RP, Sunkara M, Morris AJ, Matas-Rico E, Moolenaar WH, Oude Elferink RP, Perrakis A, Nat Commun. 2016 Apr 14;7:11248. doi: 10.1038/ncomms11248. PMID: 27075612

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