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. Author manuscript; available in PMC: 2008 Oct 26.
Published in final edited form as: J Mol Biol. 2007 Aug 22;373(3):652–663. doi: 10.1016/j.jmb.2007.08.033

Figure 4.

Figure 4

Direct detection of base-pairs in the SIV17−50 frameshift-inducing stem-loop. (A) 750 MHz 1D 1H NMR spectrum of the imino protons. Assignments are indicated by numbers above the peaks. (B) 800 MHz 2D HNN-COSY spectrum for direct detection of trans-hydrogen-bond scalar couplings. Two G-C pairs in the loop are indicated by dashed lines.