5ns4 C 32 2.4 URS0000CBFF2E_274 29211987 274 ugcaccugaccccaugccgaacucagagugca <<<<<<<<...............>>>.>>>>> (((((((((...(.....)...)))).))))) Crystal structures of Cy3 cyanine fluorophores stacked onto the end of double-stranded RNA; RNA (34-MER)