Heterogeneous Nucleation of Protein Crystals on Fluorinated Layered Silicate
2011

Using Fluorinated Layered Silicate for Protein Crystallization

Sample size: 12 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ino Keita, Udagawa Itsumi, Iwabata Kazuki, Takakusagi Yoichi, Kubota Munehiro, Kurosaka Keiichi, Arai Kazuhito, Seki Yasutaka, Nogawa Masaya, Tsunoda Tatsuo, Mizukami Fujio, Taguchi Hayao, Sakaguchi Kengo

Primary Institution: Tokyo University of Science

Hypothesis

Fluorinated layered silicate can enhance the nucleation of protein crystals.

Conclusion

Fluorinated layered silicate promotes nucleation of crystals of a wide range of proteins.

Supporting Evidence

  • Fluorinated silicates reduced crystallization time and increased nucleation density for lysozyme.
  • The presence of fluorine atoms in the silicate structure was linked to improved nucleation.
  • Twelve different proteins were successfully crystallized using the fluorinated layered silicates.

Takeaway

This study shows that a special type of clay can help proteins form crystals better, which is important for understanding their structure.

Methodology

The study involved crystallizing lysozyme and other proteins using fluorinated layered silicates and analyzing the results.

Limitations

The quality of crystals formed in the presence of fluorinated saponites tended to be lower than those formed without them.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022582

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