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In silico analysis of selected components of grapefruit seed extract against SARS-CoV-2 main protease


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Figure 1

A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID: 6Y84) with ligand narirutin and their best mode binding interactions (B) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID: 6Y84) with ligand narirutin and their best mode binding interactions (B) via PyMOL 2.4.

Figure 2

A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID: 6Y84) with ligand naringin and their best mode binding interactions (B) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID: 6Y84) with ligand naringin and their best mode binding interactions (B) via PyMOL 2.4.

Figure 3

A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID:6Y84) with ligand limonin and their best mode binding interactions (B) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (A) (PDB ID:6Y84) with ligand limonin and their best mode binding interactions (B) via PyMOL 2.4.

Figure 4

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand naringenin and their best mode binding interactions (b) via PyMOL 2.4
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand naringenin and their best mode binding interactions (b) via PyMOL 2.4

Figure 5

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand ascorbic acid and their best mode binding interactions (b) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand ascorbic acid and their best mode binding interactions (b) via PyMOL 2.4.

Figure 6

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand citric acid and their best mode binding interactions (b) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand citric acid and their best mode binding interactions (b) via PyMOL 2.4.

Figure 7

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand acetoside and their best mode binding interactions (b) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand acetoside and their best mode binding interactions (b) via PyMOL 2.4.

Figure 8

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand remdesivir and their best mode binding interactions (b) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand remdesivir and their best mode binding interactions (b) via PyMOL 2.4.

Figure 9

A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand gallic acid and their best mode binding interactions (b) via PyMOL 2.4.
A-B. Visualisation of the SARS-CoV-2 main protease (a) (PDB ID:6Y84) with ligand gallic acid and their best mode binding interactions (b) via PyMOL 2.4.

Best docking scores (lowest binding energy) of selected compounds of grapefruit seed extract (GSE) as well as of the positive controls and their distance from best mode

Distance from best mode
Ligands Affinity (kcal/mol§) rmsd l.b. rmsd u.b
Narirutin -10.5 0.000 0.000
Naringin -10.1 0.000 0.000
Naringenin -8.2 0.000 0.000
Limonin -9.9 0.000 0.000
Ascorbic acid -6.7 0.000 0.000
Citric acid -6.4 0.000 0.000
Acetoside -10.0 0.000 0.000
Remdesivir -9.6 0.000 0.000
Gallic acid -6.4 0.000 0.000
eISSN:
2564-615X
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Life Sciences, Genetics, Biotechnology, Bioinformatics, other