7wku | pdb_00007wku

Structure of PDCoV Mpro in complex with an inhibitor

spinqualitylabelsall models 7wku, resolution 2.60Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7wku is a 12 chain structure with sequence from Porcine deltacoronavirus and Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.6Å Ligands: 010, 02J, PJE Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function A0A140ESF0_9NIDO Publication Abstract from PubMed The existing zoonotic coronaviruses (CoVs) and viral genetic variants are important microbiological pathogens that cause severe disease in humans and animals. Currently, no effective broad-spectrum antiviral drugs against existing and emerging CoVs are available. The CoV main protease (M(pro)) plays an essential role in viral replication, making it an ideal target for drug development. However, the structure of the Deltacoronavirus M(pro) is still unavailable. Porcine deltacoronavirus (PDCoV) is a novel CoV that belongs to the genus Deltacoronavirus and causes atrophic enteritis, severe diarrhea, vomiting and dehydration in pigs. Here, we determined the structure of PDCoV M(pro) complexed with a Michael acceptor inhibitor. Structural comparison showed that the backbone of PDCoV M(pro) is similar to those of alpha-, beta- and gamma-CoV M(pro)s. The substrate-binding pocket of M(pro) is well conserved in the subfamily Coronavirinae. In addition, we also observed that M(pro)s from the same genus adopted a similar conformation. Furthermore, the structure of PDCoV M(pro) in complex with a Michael acceptor inhibitor revealed the mechanism of its inhibition of PDCoV M(pro). Our results provide a basis for the development of broad-spectrum antivirals against PDCoV and other CoVs. The Structure of the Porcine Deltacoronavirus Main Protease Reveals a Conserved Target for the Design of Antivirals.,Wang F, Chen C, Wang Z, Han X, Shi P, Zhou K, Liu X, Xiao Y, Cai Y, Huang J, Zhang L, Yang H Viruses. 2022 Feb 27;14(3):486. doi: 10.3390/v14030486. PMID:35336895 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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