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. 2021 Mar 14;7(3):e06515. doi: 10.1016/j.heliyon.2021.e06515

Table 2.

Binding energy values (docking score) and interactions between the top 3 flavonoids and key residues of RBD of nCoV-SP in PyRx along with the respective H-bonds and bond lengths.

Flavonoids Binding energy (kcal/mol) Key residues interraction H-bonds Bond length (Å)
Hesperidin -8.6 SER 494 O6-O 2.71
TYR 505 O11-OH 3.05
Naringin -8.3 GLN 493 O14-OE1 3.09
SER 494 O11-O 2.92
Epigallocatechin gallate (EGCG) -8.1 GLN 498 O6-NE2 2.81
ASN 501 O8-ND2 3.23