Journal of Genetic Engineering and Biotechnology

Table 4 Interactions of quercetin 3-[rhamnosyl-(1- > 2)-alpha-L-arabinopyranoside] with spike protein receptor-binding domain

From: In silico discovery of 3 novel quercetin derivatives against papain-like protease, spike protein, and 3C-like protease of SARS-CoV-2

Hydrogen bonds
Index	Residue	AA	Distance H-A	Distance D-A	Donor angle	Donor atom	Acceptor atom
1	348A	ALA	2.66	3.55	150.52	2678 [Nam]	6459 [O3]
2	385A	TYR	2.11	2.70	119.95	6461 [O3]	2987 [O3]
3	394A	ASN	2.62	3.40	136.26	3058 [Nam]	6415 [O3]
4	398A	GLU	1.81	2.76	163.63	6453 [O3]	3080 [O2]
5	398A	GLU	2.33	3.01	126.77	6451 [O3]	3080 [O2]
6	514A	ARG	2.35	3.19	145.13	6455 [O3]	4037 [Ng+]
7	514A	ARG	2.79	3.55	134.11	4040 [Ng+]	6453 [O3]
Salt bridges
Index	Residue	AA	Distance	Ligand group	Ligand atoms
1	401A	HIS	5.25	Carboxylate	6443,6451

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