Research Article

Evaluation of Anti-HIV-1 Integrase and Anti-Inflammatory Activities of Compounds from Betula alnoides Buch-Ham

Table 4

Molecular docking results of pure compounds from B. alnoides.

CompoundsLowest binding energy (kcal/mol)KiAmino acidH-bond interactionDistance (Å)

Betulinic acid (1)−5.36118.36 μMAsp64OD2---3-HO2.20
Thr66OG1---28-HO1.92
Lys159HZ3---28-OH1.64

Betulin (2)−5.7572.26 μMAsp64OD2---28-HOCH22.20
Thr66OG1---3-HO1.90
His67HN---3-OH2.37
Lys159HZ3---3-OH1.78

Lupeol (3)−3.283.95 mMGln148OE1---3-HO1.97

Oleanolic acid (4)−3.532.59 mMThr66OG1---28-HO1.68
Gln148OE1---3-HO1.89

Ursolic acid (5)−3.681.52 mMGln148OE1---3-HO1.84
Lys159HZ3---28-OH1.63