2UWM:
reference: Structural basis for dynamic interdomain movement and RNA recognition of the selenocysteine-specific elongation factor SelB., Ose T, Soler N, Rasubala L, Kuroki K, Kohda D, Fourmy D, Yoshizawa S, Maenaka K, Structure. 2007 May;15(5):577-86. PMID: 17502103

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