The Contribution of Coevolving Residues to the Stability of KDO8P Synthase
2011

Coevolving Residues and KDO8P Synthase Stability

Sample size: 348 publication Evidence: moderate

Author Information

Author(s): Sharon H. Ackerman, Domenico L. Gatti

Primary Institution: Wayne State University School of Medicine

Hypothesis

The study investigates the contribution of coevolving residues to the stability of KDO8P synthase.

Conclusion

Coevolving residues play a smaller role in the stability of KDO8P synthase than previously thought, as stability gains or losses can be offset by changes in other regions.

Supporting Evidence

  • The study found that about 1/4 of strongly coevolving pairs originated from cycles of mutation and suppression.
  • Sequence conservation and coevolution both contribute to the preservation of KDO8PS structure.
  • The stability landscape of KDO8PS indicates that many mutations can be compensated by changes in other regions.

Takeaway

The study looks at how certain parts of a protein change together over time to help keep it stable, but finds that this isn't as important as other factors.

Methodology

The study used computational methods, including multiple sequence alignments and molecular dynamics simulations, to analyze the stability contributions of coevolving residues.

Limitations

The study's conclusions may not be generalizable to all proteins, as it primarily focuses on KDO8P synthase.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0017459

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