Figure 5 from: Okechukwu P, Sharma M, Tan WH, Chan HK, Chirara K, Gaurav A, Al-Nema M (2020) In-vitro antidiabetic activity and in-silico studies of the binding energies of palmatine and the standard compounds with the three receptors of alpha amylase, alpha glucosidase, and DPP-IV enzyme. Pharmacia 67(4): 363-371. https://doi.org/10.3897/pharmacia.67.e58392

Figure 5 Docking interaction and binding mode of palmatine and alpha-amylase enzyme. The π-π staked interactions are presented in magenta dotted lines.