Fig. 2From: Structural elucidation, molecular docking, α-amylase and α-glucosidase inhibition studies of 5-amino-nicotinic acid derivativesIllustrates the binding mode of 5-amino-nicotinic acid derivatives active compounds in α-amylase binding site. a Compound 4, b compound 2, c Compound 7 and d compound 6. Key interaction types are represented in color code in each case (green: hydrogen bond, purple: alkyl contact, brown: pi stacking)Back to article page