Structural Differences between the Streptococcus agalactiae Housekeeping and Pilus-Specific Sortases: SrtA and SrtC1
2011

Understanding Sortases in Streptococcus agalactiae

publication 10 minutes Evidence: moderate

Author Information

Author(s): Khare B., Krishnan V., Rajashankar K. R., I-Hsiu H., Xin M., Ton-That H., Narayana S. V.

Primary Institution: Center for Biophysical Sciences and Engineering, University of Alabama at Birmingham

Hypothesis

The study investigates the structural differences between the sortases SrtA and SrtC1 in Streptococcus agalactiae and their roles in pilus assembly.

Conclusion

The crystal structures of SrtA and SrtC1 reveal distinct features that may influence their substrate specificity and function in pilus biogenesis.

Supporting Evidence

  • The study provides crystal structures of SrtA and SrtC1, highlighting their unique features.
  • Both sortases are essential for the assembly of pili in Streptococcus agalactiae.
  • Structural differences in the active sites of SrtA and SrtC1 may dictate their substrate specificity.

Takeaway

This study looks at two important proteins in bacteria that help them stick to surfaces. By understanding how these proteins work, we can learn how to stop harmful bacteria from causing infections.

Methodology

The study involved determining the crystal structures of SrtA and SrtC1 using molecular replacement methods.

Limitations

The study does not explore the dynamic interactions of sortases with their substrates in a biological context.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022995

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