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Binding assay of PNA oligomers to the S. aureus ribosomal subunits using native agarose gel. Shown are 12-mer PNA oligomers and the Shine-Dalgarno with S. aureus small and large subunits Lane 1- 1862-12, Lane 2- 1862-12-2, Lane 3-1873-12. Lane 4-negative control, no oligomer used. The gel was read at 494 nm (a) and, after ethidium bromide addition, at 600 nm (b).
