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. 2017 Sep 30;13(9):284–292. doi: 10.6026/97320630013284

Figure 3.

Figure 3

Binding poses of the (a) GA (Ganoderic acid) A and (b) GA (Ganoderic acid) Df in the pG4DNA-binding site. The figures shown are the predicted interactions formed by the ganoderic acid A in the active site. The compounds are represented in green sticks. The purple balls are K+. The pG4DNA structure is shown as a gray ribbon diagram with exception to the activation loop containing the DA-motif and DG-motif, which is shown in red sticks. The black dash lines represent hydrogen bonds, and purple lines denote hydrophobic interactions. Abbreviations: DA3, adenine base position 3 of G4DNA; DG11, guanine base position 11 of pG4DNA; pG4DNA, parallel G-quadruplex DNA; GA, ganoderic acid.