Fig. 2
From: Perspectives on plant flavonoid quercetin-based drugs for novel SARS-CoV-2
Molecular docking of key proteins with quercetin. a 2019-nCoV main protease (PDB ID: 6LU7). b 2019-nCoV main protease (PDB ID: 6Y84). c 2019-nCoV main protease (PDB ID: 6YB7). d 2019-nCoV receptor-binding domain of the surface spike glycoprotein (PDB ID: 6M17). e 2019-nCoV spike glycoprotein (PDB ID: 6VXX). f 2019-nCoV RNA replicase enzyme (PDB ID: 6W9Q). g 2019-nCoV RNA-binding protein (PDB ID: 6W4B). h 2019-nCoV papain-like protease (PDB ID: 6W9C). i SARS coronavirus papain-like protease/ deubiquitinase (PDB ID: 3E9S). j 2019-nCoV RNA-dependent RNA polymerase (PDB ID: 7BTF). k SARS coronavirus main peptidase (PDB ID: 2A5I). l SARS coronavirus main peptidase with an additional Ala at the N-terminus of each protomer (PDB ID: 2GTB)