Evolution of Protein Complexes Through Duplication
Author Information
Author(s): Pereira-Leal Jose B, Levy Emmanuel D, Kamp Christel, Teichmann Sarah A
Primary Institution: Instituto Gulbenkian de Ciência
Hypothesis
Duplication of self-interacting proteins (homomers) is critical for the establishment and evolution of a proportion of protein complexes.
Conclusion
The study provides insights into how protein complexes evolve through the duplication of homomeric interactions.
Supporting Evidence
- About 30% of protein complexes contain duplicated proteins.
- Interactions between paralogous proteins are more frequent than expected by chance.
- Homomeric interactions are over-represented in protein complexes.
Takeaway
Scientists found that when proteins duplicate, they often form new complexes that help them work better together.
Methodology
The study involved analyzing protein complexes in yeast and comparing them with known structures in the Protein Data Bank.
Limitations
The study's conclusions are based on specific datasets and may not apply universally across all organisms.
Statistical Information
P-Value
p < 10-4
Statistical Significance
p < 10-4
Digital Object Identifier (DOI)
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