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10.1021/acs.jmedchem.9b01828

http://scihub22266oqcxt.onion/10.1021/acs.jmedchem.9b01828
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32045235!ä!32045235

suck abstract from ncbi


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pmid32045235      J+Med+Chem 2020 ; 63 (9): 4562-4578
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  • alpha-Ketoamides as Broad-Spectrum Inhibitors of Coronavirus and Enterovirus Replication: Structure-Based Design, Synthesis, and Activity Assessment #MMPMID32045235
  • Zhang L; Lin D; Kusov Y; Nian Y; Ma Q; Wang J; von Brunn A; Leyssen P; Lanko K; Neyts J; de Wilde A; Snijder EJ; Liu H; Hilgenfeld R
  • J Med Chem 2020[May]; 63 (9): 4562-4578 PMID32045235show ga
  • The main protease of coronaviruses and the 3C protease of enteroviruses share a similar active-site architecture and a unique requirement for glutamine in the P1 position of the substrate. Because of their unique specificity and essential role in viral polyprotein processing, these proteases are suitable targets for the development of antiviral drugs. In order to obtain near-equipotent, broad-spectrum antivirals against alphacoronaviruses, betacoronaviruses, and enteroviruses, we pursued a structure-based design of peptidomimetic alpha-ketoamides as inhibitors of main and 3C proteases. Six crystal structures of protease-inhibitor complexes were determined as part of this study. Compounds synthesized were tested against the recombinant proteases as well as in viral replicons and virus-infected cell cultures; most of them were not cell-toxic. Optimization of the P2 substituent of the alpha-ketoamides proved crucial for achieving near-equipotency against the three virus genera. The best near-equipotent inhibitors, 11u (P2 = cyclopentylmethyl) and 11r (P2 = cyclohexylmethyl), display low-micromolar EC(50) values against enteroviruses, alphacoronaviruses, and betacoronaviruses in cell cultures. In Huh7 cells, 11r exhibits three-digit picomolar activity against the Middle East Respiratory Syndrome coronavirus.
  • |3C Viral Proteases[MESH]
  • |Animals[MESH]
  • |Antiviral Agents/chemical synthesis/metabolism/*pharmacology[MESH]
  • |Binding Sites[MESH]
  • |Cell Line, Tumor[MESH]
  • |Chlorocebus aethiops[MESH]
  • |Coronavirus 3C Proteases[MESH]
  • |Coronavirus/*drug effects/enzymology[MESH]
  • |Crystallography, X-Ray[MESH]
  • |Cysteine Endopeptidases/chemistry/metabolism[MESH]
  • |Drug Design[MESH]
  • |Enterovirus/*drug effects/enzymology[MESH]
  • |Humans[MESH]
  • |Lactams/chemical synthesis/metabolism/*pharmacology[MESH]
  • |Peptidomimetics/chemical synthesis/metabolism/*pharmacology[MESH]
  • |Protease Inhibitors/chemical synthesis/metabolism/pharmacology[MESH]
  • |Protein Binding[MESH]
  • |Vero Cells[MESH]
  • |Viral Nonstructural Proteins/antagonists & inhibitors/chemistry/metabolism[MESH]
  • |Viral Proteins/antagonists & inhibitors/chemistry/metabolism[MESH]


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