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Table 2 Hydrogen Bonds and Hydrophobic interactions of the hit phytochemicals of Q. amara phytochemicals

From: Quassia amara bioactive compounds as a Novel DPP-IV inhibitor: an in-silico study

Compound name

Docking score (Kcal/mol)

H-BOND

Hydrophobic interacting amino acids

Other interactions

Vitexin

− 7.47

TYR 662, TYR 547, GLU 205, SER 209

PHE 357, TYR 585, TYR 666, TYR 662, TYR 547, TYR 631,

Pi–Pi Stack: PHE 357

Quassimarin

− 7.341

SER 209, GLU 205, TYR 547,

PHE 357, TYR 547, TYR 631, TRP 659, VAL 711, TYR 662, TYR 666

None

Simalikalactone D

− 7.156

TYR 666, TYR 547, GLU 205

PHE 357, TYR 666, TYR 662, TYR 631, TRP 659, VAL 711, VAL 656, TYR 547,

None

Brucein D

− 6.579

TYR 547, GLU 205. SER 209

TYR 547, TYR 666, TYR 662, PHE 357

None

Quassinol

− 6.49

TYR 666, TYR 547, GLU 206, ARG 669

TYR 585, CYS 551, PRO 550, TYR 631, TYR 666, TYR 547, PHE 357

None

Alogliptin

− 3.8

ARG 125

VAL 711, TYR 631, TYR 666, TYR 662, TRP 659, VAL 656, TYR 547, PHE 357

Pi–Pi stack; TYR 547