Crystal Structure of Vaccinia Virus Uracil-DNA Glycosylase
Author Information
Author(s): Schormann Norbert, Grigorian Alexei, Samal Alexandra, Krishnan Raman, DeLucas Lawrence, Chattopadhyay Debasish
Primary Institution: Center for Biophysical Sciences & Engineering, University of Alabama at Birmingham
Hypothesis
The structure of vaccinia virus uracil-DNA glycosylase (vvUDG) reveals its unique features and dimeric assembly.
Conclusion
The crystal structures show that the new features of vvUDG may have evolved for novel functions in the replication machinery of poxviruses.
Supporting Evidence
- The structure of vvUDG is significantly different from UDGs of other organisms.
- Dynamic light scattering experiments showed that vvUDG is a dimer in solution.
- The crystal structures provide insights into the unique features of poxvirus UDG.
Takeaway
This study looks at a special protein from a virus that helps it copy its DNA. The researchers found that this protein works in pairs and has some unique parts that help it do its job.
Methodology
The crystal structure of vvUDG was determined using SIRAS phasing and molecular replacement methods.
Digital Object Identifier (DOI)
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