Protein Solubility and Folding Enhancement by Interaction with RNA
2008

RNA Helps Proteins Fold Better

publication 10 minutes Evidence: moderate

Author Information

Author(s): Choi Seong Il, Han Kyoung Sim, Kim Chul Woo, Ryu Ki-Sun, Kim Byung Hee, Kim Kyun-Hwan, Kim Seo-Il, Kang Tae Hyun, Shin Hang-Cheol, Lim Keo-Heun, Kim Hyo Kyung, Hyun Jeong-Min, Seong Baik L.

Primary Institution: Yonsei University

Hypothesis

Can RNA enhance the solubility and proper folding of proteins?

Conclusion

RNA can significantly improve the solubility and folding of proteins that are prone to aggregation.

Supporting Evidence

  • RNA binding can prevent protein aggregation.
  • In vitro experiments showed enhanced refolding rates with RNA.
  • Coexpression of RNA increased solubility of fusion proteins in vivo.
  • Mutations affecting RNA binding reduced solubility enhancement.

Takeaway

RNA acts like a helper for proteins, making them easier to dissolve and fold correctly, which is important for their function.

Methodology

The study involved in vitro and in vivo experiments to assess the effects of RNA on protein solubility and folding.

Limitations

The study primarily focused on specific RNA-binding proteins and may not generalize to all proteins.

Digital Object Identifier (DOI)

10.1371/journal.pone.0002677

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication