(a)
(b)
(c)
(d)
(e)
(f)
Figure 5: The investigation of the binding modes of 6 different skeleton structures. They were genistein (a), naringenin (b), EGCG (c), phloretin (d), ellagic acid (e), and ursolic acid (f), which belong to isoflavone, flavone, catechin, dihydrochalcone, polyphenol, and triterpenoid.