Fig. 7 in Unusual matrine-adenine hybrids isolated from Sophora davidii and their inhibitory effects on human cytomegalovirus

Fig. 7. Molecular docking model of 1 (A), 2 (B), 3 (C), and 4 (D) bound to the HCMV protease (PDB: 2WPO). Hydrogen bond interactions are depicted with red dashes, while π–π and π–cation stacking interactions are displayed with green and yellow dashes, respectively. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)