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. 2021 Aug 6;8:718587. doi: 10.3389/fmolb.2021.718587

FIGURE 5.

FIGURE 5

Electrostatic forces of DNA_RU and DNA_C at variable distances with UDG. (A) The electrostatic-binding force directions between DNA_RU and UDG with the distances from 20 Å (orange) to 40 Å (yellow) with the step size of 4 Å. Red marks the B5 base uracil in the DNAs, and magenta is the binding pocket area in UDG. (B) The electrostatic binding force directions between DNA_C and UDG with the distances from 20 Å (cyan) to 40 Å (green) with the step size of 4 Å. Red marks the B5 base cytosine in the DNAs, and magenta is the binding pocket area in UDG. (C) The electrostatic force directions between the uracil base (red) and the UDG pocket (magenta) with the distances from 20 Å to 40 Å. (D) The electrostatic binding force directions between cytosine base (red) and the UDG pocket (magenta) with the distances from 20 Å to 40 Å. In this figure, only the force directions are considered rather than the force strengths.