About: The coronavirus (CoV) N protein oligomerizes via its carboxyl terminus. However, the oligomerization mechanism of the C-terminal domains (CTD) of CoV N proteins remains unclear. Based on the protein disorder prediction system, a comprehensive series of HCoV-229E N protein mutants with truncated CTD was generated and systematically investigated by biophysical and biochemical analyses to clarify the role of the C-terminal tail of the HCoV-229E N protein in oligomerization. These results indicate that the last C-terminal tail plays an important role in dimer–dimer association. The C-terminal tail peptide is able to interfere with the oligomerization of the CTD of HCoV-229E N protein and performs the inhibitory effect on viral titre of HCoV-229E. This study may assist the development of anti-viral drugs against HCoV. STRUCTURED SUMMARY OF PROTEIN INTERACTIONS: N and C-terminal tail peptidebind by cosedimentation in solution (View interaction) N and Nbind by cosedimentation in solution (View Interaction: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) C-terminal tail peptide and Nbind by fluorescence technology (View interaction) N and Nbind by cross-linking study (View interaction) N and Nbind by cross-linking study (View Interaction: 1, 2, 3, 4)   Goto Sponge  NotDistinct  Permalink

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  • The coronavirus (CoV) N protein oligomerizes via its carboxyl terminus. However, the oligomerization mechanism of the C-terminal domains (CTD) of CoV N proteins remains unclear. Based on the protein disorder prediction system, a comprehensive series of HCoV-229E N protein mutants with truncated CTD was generated and systematically investigated by biophysical and biochemical analyses to clarify the role of the C-terminal tail of the HCoV-229E N protein in oligomerization. These results indicate that the last C-terminal tail plays an important role in dimer–dimer association. The C-terminal tail peptide is able to interfere with the oligomerization of the CTD of HCoV-229E N protein and performs the inhibitory effect on viral titre of HCoV-229E. This study may assist the development of anti-viral drugs against HCoV. STRUCTURED SUMMARY OF PROTEIN INTERACTIONS: N and C-terminal tail peptidebind by cosedimentation in solution (View interaction) N and Nbind by cosedimentation in solution (View Interaction: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12) C-terminal tail peptide and Nbind by fluorescence technology (View interaction) N and Nbind by cross-linking study (View interaction) N and Nbind by cross-linking study (View Interaction: 1, 2, 3, 4)
Subject
  • Oligomers
  • Proteomics
  • Proteins
  • Mutation
  • Viral respiratory tract infections
  • Posttranslational modification
  • Alphacoronaviruses
  • Protein structure
  • Molecular biology
  • Polymer chemistry
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