Insights into the Evolution of a Complex Virus from the Crystal Structure of Vaccinia Virus D13
2011

Understanding the Structure of Vaccinia Virus D13 Protein

publication Evidence: high

Author Information

Author(s): Bahar Mohammad W., Graham Stephen C., Stuart David I., Grimes Jonathan M.

Primary Institution: University of Oxford

Hypothesis

The study aims to elucidate the structural features and evolutionary significance of the D13 protein in the morphogenesis of vaccinia virus.

Conclusion

The crystal structure of the D13 protein reveals its role as a scaffolding component in the morphogenesis of vaccinia virus, suggesting evolutionary links to other large DNA viruses.

Supporting Evidence

  • D13 protein forms a stabilizing lattice on immature virus particles.
  • The structure of D13 is similar to major capsid proteins of other large DNA viruses.
  • Phylogenetic analysis places vaccinia virus within a lineage of icosahedral viruses.
  • D13 is crucial for defining the morphology of immature virions.

Takeaway

The D13 protein helps shape the vaccinia virus as it develops, and its structure is similar to proteins from other viruses, showing how they might be related.

Methodology

The study utilized X-ray crystallography to determine the structures of wild-type D13 and a mutant form.

Limitations

The study does not explore the functional implications of the D13 protein in vivo or its interactions with other viral components.

Digital Object Identifier (DOI)

10.1016/j.str.2011.03.023

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