5XSZ:
reference: Structural insights into ligand recognition by the lysophosphatidic acid receptor LPA6., Taniguchi R, Inoue A, Sayama M, Uwamizu A, Yamashita K, Hirata K, Yoshida M, Tanaka Y, Kato HE, Nakada-Nakura Y, Otani Y, Nishizawa T, Doi T, Ohwada T, Ishitani R, Aoki J, Nureki O, Nature. 2017 Aug 17;548(7667):356-360. doi: 10.1038/nature23448. Epub 2017 Aug 9. PMID: 28792932

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