Predicting Protein Phenotypes Based on Protein-Protein Interaction Network
2011

Predicting Protein Phenotypes from Interaction Networks

Sample size: 1267 publication 10 minutes Evidence: moderate

Author Information

Author(s): Hu Lele, Huang Tao, Liu Xiao-Jun, Cai Yu-Dong

Primary Institution: Institute of Systems Biology, Shanghai University, Shanghai, China

Hypothesis

Can protein phenotypes be predicted using protein-protein interaction networks?

Conclusion

The proposed method successfully predicts protein phenotypes in yeast with a first-order accuracy of 65.4%.

Supporting Evidence

  • The first-order prediction accuracy achieved was 65.4%.
  • The likelihood of the first three predicted phenotypes including all real phenotypes was 70.6%.
  • The method can be applied to predict protein phenotypes in other organisms.

Takeaway

Scientists can guess what a protein does by looking at how it interacts with other proteins, and this study shows a way to do that better.

Methodology

A network-based method was developed to predict protein phenotypes by analyzing protein-protein interactions.

Potential Biases

Potential biases may arise from false positive interactions in the protein-protein interaction network.

Limitations

The method's performance depends on the quality of the protein-protein interaction network and the number of seed proteins.

Participant Demographics

The study focused on budding yeast (Saccharomyces cerevisiae) proteins.

Statistical Information

P-Value

0.0001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0017668

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication