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Protein-protein interactions can be predicted using coiled coil co-evolution patterns.

Pablo Mier1, Gregorio Alanis-Lobato1, Miguel A Andrade-Navarro1

  • 1Faculty of Biology, Johannes Gutenberg University Mainz, Gresemundweg 2, 55128 Mainz, Germany; Institute of Molecular Biology, Ackermannweg 4, 55128 Mainz, Germany.

Journal of Theoretical Biology
|November 12, 2016
PubMed
Summary
This summary is machine-generated.

Coiled coil structures in proteins can indicate interactions between them. Analyzing the co-evolution of these structures helps distinguish interacting protein pairs, aiding in predicting new protein-protein interactions.

Keywords:
Coiled coilCorrelated evolutionProtein-protein interaction

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Area of Science:

  • Structural biology
  • Bioinformatics
  • Computational biology

Background:

  • Protein-protein interactions are crucial for cellular functions.
  • Coiled coil structures are common motifs mediating these interactions.
  • Predicting protein interactions is vital for understanding biological systems.

Purpose of the Study:

  • To investigate the utility of coiled coil structures as indicators for protein-protein interactions.
  • To develop a strategy for predicting interacting protein pairs based on coiled coil presence and co-evolution.
  • To assess the accuracy of this prediction strategy using reliable interaction data.

Main Methods:

  • Analyzing the presence and co-evolution of coiled coil structures in known interacting and non-interacting protein pairs.
  • Utilizing evolutionary conservation data of orthologous proteins across species.
  • Correlating structural information of coiled coils with interaction status.

Main Results:

  • The presence of coiled coils in proteins serves as a potential indicator of their interaction with other coiled coil-containing proteins.
  • Prediction accuracy is enhanced when focusing on highly reliable, experimentally validated protein-protein interactions.
  • Coiled coil co-evolution patterns effectively distinguish between interacting and non-interacting protein pairs.

Conclusions:

  • Coiled coil structural information can be leveraged to predict protein-protein interactions.
  • The co-evolutionary analysis of coiled coils offers a promising approach for identifying novel protein interactions.
  • This strategy holds potential for expanding our knowledge of the protein interactome.