1ZAX:
reference: Structural Basis for the Function of the Ribosomal L7/12 Stalk in Factor Binding and GTPase Activation., Diaconu M, Kothe U, Schlunzen F, Fischer N, Harms JM, Tonevitsky AG, Stark H, Rodnina MV, Wahl MC, Cell 2005 Jul 1;121(7):991-1004. PMID: 15989950

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