Computational Analysis of Gynura bicolor Bioactive Compounds as Dipeptidyl Peptidase-IV Inhibitor

Figure 5

Key interactions of G. bicolor compounds with binding sites of DPPIV receptor. (A1/A2) 5-O-caffeoylquinic acid, (B1/B2) trans-5-p-coumaroylquinic acid, (C1/C2) cis-5-p-coumaroylquinic acid, (D1/D2) 3,4-dicaffeoylquinic acid, and (E1/E2) 3-caffeoylquinic acid.