2EFD:
reference: GDP-bound and nucleotide-free intermediates of the guanine nucleotide exchange in the Rab5.Vps9 system., Uejima T, Ihara K, Goh T, Ito E, Sunada M, Ueda T, Nakano A, Wakatsuki S, J Biol Chem. 2010 Nov 19;285(47):36689-97. Epub 2010 Sep 10. PMID: 20833725

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