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Figure 7.
Figure 7. Tetraloop-minor groove interaction. (a) Stereo
representation of the GAAA tetraloop of one molecule interacting
with the minor groove of an adjacent RNA. (b) Base triples
formed by this contact, with the final 2F[o] - F[c] electron
density map contoured at 1.6s superimposed. The hydrogen bond
between A54 and U34 is mediated by a solvent molecule.
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