Structure of RiVax: a recombinant ricin vaccine
2011

Structure of RiVax: a recombinant ricin vaccine

publication Evidence: high

Author Information

Author(s): Patricia M. Legler, Robert N. Brey, Joan E. Smallshaw, Ellen S. Vitetta, Charles B. Millard

Primary Institution: Naval Research Laboratories

Hypothesis

The study aims to present the crystal structure of RiVax and analyze its implications for ricin vaccine development.

Conclusion

The crystal structure of RiVax provides insights that will guide the development of improved immunogens for ricin vaccination.

Supporting Evidence

  • The RiVax structure is superposable with that of the ricin toxin A-chain, indicating structural similarity.
  • Two toxin-neutralizing B-cell epitopes were identified within the RiVax structure.
  • RiVax elicited a protective immune response in laboratory mice and human volunteers.

Takeaway

Scientists created a new vaccine to protect people from ricin poisoning, and they used special techniques to see what it looks like at a tiny level.

Methodology

The crystal structure of RiVax was solved using X-ray crystallography at 2.1 Å resolution.

Digital Object Identifier (DOI)

10.1107/S0907444911026771

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