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Plots showing the sensitivity of the 1H NMR chemical shifts to GU and UG wobble pairing within the canonical WC-BP triplet. a The central U of an otherwise canonical triplet is paired with G. b The central G of an otherwise canonical triplet is paired with U. c–f Influence of GU base pairs at the n(i−1) and n(i+1) position of the n(i−1)−Ni−n(i+1) triplet on the NMR chemical shift of the central canonical base pair. Symbols are defined in the panel insets
