Evolutionary and structural analyses of alpha-papillomavirus capsid proteins yields novel insights into L2 structure and interaction with L1
2008

Insights into Papillomavirus Capsid Proteins

Sample size: 76 publication Evidence: moderate

Author Information

Author(s): John Lowe, Debasis Panda, Suzanne Rose, Ty Jensen, Willie A Hughes, For Yue Tso, Peter C Angeletti

Primary Institution: University of Nebraska-Lincoln

Hypothesis

The interaction domains of L1 and L2 should be fairly conserved among alpha-PVs.

Conclusion

The study identifies variable regions in L1 and conserved regions in L2 that are important for the interaction between these capsid proteins.

Supporting Evidence

  • The loops of L1 are the most variable regions among the alpha-PVs.
  • Regions of L2 involved in interaction with L1 are evolutionarily conserved.
  • A predicted three-dimensional model was generated to elucidate aspects of the L1 and L2 interaction.

Takeaway

This study looks at two proteins from a virus that can cause cancer, showing how they interact and what parts are important for their function.

Methodology

The study involved retrieving alpha-PV sequences, aligning them using MUSCLE, and predicting 3D structures of the proteins.

Limitations

The predicted 3D interaction model lacks DNA bound to L2 and does not account for L2 flexure within the pentameric form of L1.

Digital Object Identifier (DOI)

10.1186/1743-422X-5-150

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