Crystallization and preliminary X-ray diffraction analyses of several forms of the CfaB major subunit of enterotoxigenic Escherichia coli CFA/I fimbriae
2009

Structure of CfaB Subunit of E. coli Fimbriae

publication Evidence: high

Author Information

Author(s): Li Yong-Fu, Poole Steven, Rasulova Fatima, McVeigh Annette L., Savarino Stephen J., Xia Di

Primary Institution: National Cancer Institute, NIH

Hypothesis

To elucidate the structure of CFA/I fimbriae at atomic resolution.

Conclusion

The study successfully determined the crystal structures of three fusion proteins related to the CfaB subunit of E. coli CFA/I fimbriae.

Supporting Evidence

  • Three recombinant proteins were generated to study the structure of CFA/I fimbriae.
  • CfaEB, CfaBB, and CfaBBB were successfully crystallized and analyzed.
  • The structures were determined using the molecular-replacement method.

Takeaway

Scientists created special proteins to understand how a part of E. coli sticks to our intestines, which helps them learn about how this bacteria causes diarrhea.

Methodology

Three fusion proteins were generated and crystallized to determine their structures using X-ray diffraction.

Limitations

The study does not mention specific limitations.

Digital Object Identifier (DOI)

10.1107/S1744309109001584

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