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. 2020 Dec 30;33(2):101297. doi: 10.1016/j.jksus.2020.101297

Fig. 2.

Fig. 2

Visualization of the molecular interactions of ACE-2 with various ligands. (a) MLN-4760, (b) glyasperin A, (c) broussoflavonol F, (d) sulabiroins A, (e) (2S)-5,7-dihydroxy-4′-methoxy-8-prenylflavanone, (f) isorhamnetin. The purple lines denote the ligand structure, whereas the brown lines denote the structure of amino acid residues. The molecular interactions are reflected as dashed lines and arcs. The green dashed lines between atoms represent hydrogen bonds, and the numbers above these lines indicate the length of the bond. In the meantime, the arcs with spokes radiating toward the ligand atoms represent hydrophobic interactions. The atoms involve in hydrophobic interactions are indicated by the presence of spokes radiating back (Wallace et al., 1995).