6MSF:
reference: Crystal structure of an RNA aptamer-protein complex at 2.8 A resolution., Convery MA, Rowsell S, Stonehouse NJ, Ellington AD, Hirao I, Murray JB, Peabody DS, Phillips SE, Stockley PG, Nat Struct Biol 1998 Feb;5(2):133-9. PMID: 9461079

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