Type II restriction endonuclease R.Hpy188I belongs to the GIY-YIG nuclease superfamily, but exhibits an unusual active site
2008

Understanding the Structure of R.Hpy188I Restriction Enzyme

publication Evidence: moderate

Author Information

Author(s): Kaminska Katarzyna H, Kawai Mikihiko, Boniecki Michal, Kobayashi Ichizo, Bujnicki Janusz M

Primary Institution: International Institute of Molecular and Cell Biology in Warsaw

Hypothesis

Can metagenomic sequences help predict the structure of the R.Hpy188I restriction enzyme?

Conclusion

The study reveals that R.Hpy188I is a new member of the GIY-YIG superfamily, with unique active site characteristics.

Supporting Evidence

  • R.Hpy188I is a Type II restriction enzyme with an unusual active site.
  • The study identified 23 members of the R.Hpy188I family using metagenomic sequences.
  • The findings suggest that expanding sequence databases can improve predictions of protein structures.

Takeaway

Scientists studied a special enzyme called R.Hpy188I to learn more about its structure and how it works, using information from various sources.

Methodology

The study used bioinformatics analyses and metagenomic sequences to predict the structure of R.Hpy188I.

Limitations

The study primarily relies on computational predictions, which may not fully capture the enzyme's behavior in biological contexts.

Digital Object Identifier (DOI)

10.1186/1472-6807-8-48

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