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Images of denaturing acrylamide gel loaded with RNAs SL3a and SL3abc, in parallel to the control RNA (8% acrylamide, 7 M urea), and SL123 and D3 (6% acrylamide, 7 M urea). Red arrows point to the RNA obtained by streptavidin purification (+); ribosomal RNAs (rRNA and 5S RNA) are detected only in the input sample.
