Fig. 6.

Molecular docking of target SARS-CoV-2 spike glycoprotein S2 subunit (PDB ID- 6LXT) with the GC–MS bioactive compounds of Pleione maculata (1) oxiraneundecanoic acid,3-pentyl, methyl ester, cis (2) p-menth-8(10)-en-9-ol (3) 6H-purin-6-one,1,7-dihydro-(2-methylamino) (4) andrographolide (5) 21-acetoxypregenelone (6) 26-hydroxycholesterol (7) cholesterol margarate (8) digitoxin (9) arachidonic amide, N-{5-hydroxy-N-pentyl} (10) DI-N-decylsulfone (11) estra-1,3,5(10)-trien-beta-ol (12) docosanoic acid (13) 14-dodecanoic acid (14) Nor-diazepam,3-{N-hydroxymethyl}aminocarbonyloxy (15) pregabalin (16) 2,4,6-pyrimidinetrione (17) pseduosarsasapogenin acid, 3-pentyl, methyl ester cis, (18) 1-methylsulfanyl-9,10-dioxo-9, 10-dihydro-anthracene-2-carboxylic acid and positive control (19) arabidiol