4Y0V:
reference: Structure of an ADP-ribosylation factor, ARF1, from Entamoeba histolytica bound to Mg(2+)-GDP., Serbzhinskiy DA, Clifton MC, Sankaran B, Staker BL, Edwards TE, Myler PJ, Acta Crystallogr F Struct Biol Commun. 2015 May;71(Pt 5):594-9. doi:, 10.1107/S2053230X15004677. Epub 2015 Apr 21. PMID: 25945714

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