The Stability and Formation of Native Proteins from Unfolded Monomers Is Increased through Interactions with Unrelated Proteins
2007
How Unrelated Proteins Help Form Stable Proteins
publication
Evidence: moderate
Author Information
Author(s): Rodríguez-Almazán Claudia, Torner Francisco J., Costas Miguel, Pérez-Montfort Ruy, de Gómez-Puyou Marieta Tuena, Puyou Armando Gómez
Primary Institution: Universidad Nacional Autónoma de México
Hypothesis
Do interactions between unrelated proteins affect the stability and formation of native proteins?
Conclusion
The study found that interactions with unrelated proteins significantly enhance the formation and stability of active protein dimers.
Supporting Evidence
- Eight different proteins were tested for their effect on the formation of active dimers of triosephosphate isomerase.
- The presence of BSA significantly increased the formation of active dimers at low protein concentrations.
- Isothermal titration calorimetry provided evidence of weak interactions between proteins.
Takeaway
When proteins are mixed together, they can help each other become stable and work better, like friends helping each other.
Methodology
The study measured the effects of eight different proteins on the reactivation of triosephosphate isomerase from denatured monomers.
Digital Object Identifier (DOI)
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