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3D stereo view of a snapshot of the UAA/GAA structure from the LES_Ec simulation with multiple copies of nucleotides in the internal loop (LES region). The structure resembles the solution structure (Figure 1C), i.e. it has wide major groove and coplanar A6 and G13 (red), A5 and A14 (blue) and U4 and A15 (green) bases.
