Evolutionary potentials: structure specific knowledge-based potentials exploiting the evolutionary record of sequence homologs
2008

Evolutionary Potentials for Protein Structure Prediction

Sample size: 4444 publication Evidence: high

Author Information

Author(s): Alejandro Panjkovich, Francisco Melo, Marc A. Marti-Renom

Primary Institution: Pontificia Universidad Católica de Chile

Hypothesis

Can evolutionary potentials derived from homologous sequences improve the accuracy of protein structure prediction?

Conclusion

The study demonstrates that evolutionary potentials significantly enhance the accuracy of protein structure model assessment compared to traditional knowledge-based potentials.

Supporting Evidence

  • EvPs showed a 7.1% higher accuracy compared to traditional potentials.
  • EvPs resulted in a false positive rate of only 2.3%.
  • The use of homologous sequences improved the specificity and sensitivity of model assessments.

Takeaway

This study shows that using information from similar proteins can help predict how other proteins will fold, making predictions more accurate.

Methodology

The study developed a new method for model assessment using evolutionary potentials derived from a single experimental structure and its homologous sequences.

Potential Biases

Potential bias may arise from the selection of homologous sequences that are too similar or not representative of the structural diversity.

Limitations

The accuracy of the evolutionary potentials depends on the availability of sufficient homologous sequences for reliable derivation.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/gb-2008-9-4-r68

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