7rc1 | pdb_00007rc1

X-ray Structure of SARS-CoV main protease covalently modified by compound GRL-0686

spinqualitylabelsall models 7rc1, resolution 1.63Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.63Å Ligands: 4IO, DMS Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Here, we report the synthesis, structure-activity relationship studies, enzyme inhibition, antiviral activity, and X-ray crystallographic studies of 5-chloropyridinyl indole carboxylate derivatives as a potent class of SARS-CoV-2 chymotrypsin-like protease inhibitors. Compound 1 exhibited a SARS-CoV-2 3CLpro inhibitory IC50 value of 250 nM and an antiviral EC50 value of 2.8 muM in VeroE6 cells. Remdesivir, an RNA-dependent RNA polymerase inhibitor, showed an antiviral EC50 value of 1.2 muM in the same assay. Compound 1 showed comparable antiviral activity with remdesivir in immunocytochemistry assays. Compound 7d with an N-allyl derivative showed the most potent enzyme inhibitory IC50 value of 73 nM. To obtain molecular insight into the binding properties of these molecules, X-ray crystal structures of compounds 2, 7b, and 9d-bound to SARS-CoV 3CLpro were determined, and their binding properties were compared. Indole Chloropyridinyl Ester-Derived SARS-CoV-2 3CLpro Inhibitors: Enzyme Inhibition, Antiviral Efficacy, Structure-Activity Relationship, and X-ray Structural Studies.,Ghosh AK, Raghavaiah J, Shahabi D, Yadav M, Anson BJ, Lendy EK, Hattori SI, Higashi-Kuwata N, Mitsuya H, Mesecar AD J Med Chem. 2021 Sep 16. doi: 10.1021/acs.jmedchem.1c01214. PMID:34528437 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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