3KKO:
reference: Structural basis for conformational dynamics of GTP-bound Ras protein., Shima F, Ijiri Y, Muraoka S, Liao J, Ye M, Araki M, Matsumoto K, Yamamoto N, Sugimoto T, Yoshikawa Y, Kumasaka T, Yamamoto M, Tamura A, Kataoka T, J Biol Chem. 2010 May 17. PMID: 20479006

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