Conservation of a crystallographic interface suggests a role for β-sheet augmentation in influenza virus NS1 multifunctionality
2011

Role of β-sheet in Influenza Virus NS1 Function

publication Evidence: moderate

Author Information

Author(s): Kerry Philip S., Long Elizabeth, Taylor Margaret A., Russell Rupert J. M.

Primary Institution: Biomedical Sciences Research Complex, University of St Andrews

Hypothesis

Does the conservation of a crystallographic interface suggest a role for β-sheet augmentation in the multifunctionality of the influenza virus NS1 protein?

Conclusion

The study suggests that the conservation of the strand–strand interface in the NS1 effector domain indicates a potential role for β-sheet augmentation in its function.

Supporting Evidence

  • The structure of the NS1 effector domain was determined from diffraction data extending to 1.8 Å resolution.
  • A new crystallization condition was discovered for the NS1 effector domain.
  • Conformational changes at the strand–strand packing interface were observed.

Takeaway

The NS1 protein from the influenza virus has a special part that helps it work better, and scientists found that this part can change shape to help it interact with other molecules.

Methodology

The study used X-ray crystallography to analyze the structure of the NS1 effector domain from the influenza virus.

Limitations

The interactions of NS1 with many cellular factors are poorly characterized, and only a few structures of NS1 in complex with other proteins have been solved.

Digital Object Identifier (DOI)

10.1107/S1744309111019312

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