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H-bond interaction between O6-meG and the T7 RNAP residue, Gln-649. The O6-meG in the syn conformation is stabilized by one hydrogen bond between the O6 of O6-meG and the Nε of Gln-649. The hydrogen bond is shown as a dotted black line. Hydrogens of the backbone were removed for clarity. Color code is the same as in Figures 3 and 6.
