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Updated: May 8, 2026
11:40
Preparation of the Mgm101 Recombination Protein by MBP-based Tagging Strategy
Published on: June 25, 2013
Large serine recombinase domain structure and attachment site binding.
Gregory D Van Duyne1, Karen Rutherford
1Department of Biochemistry & Biophysics, Perelman School of Medicine, University of Pennsylvania , Philadelphia , USA.
Critical Reviews in Biochemistry and Molecular Biology
|August 29, 2013
Summary
Large serine recombinases (LSRs) are key to DNA movement in bacteria. Recent structural studies reveal how these enzymes bind DNA, improving genetic engineering tools.
Area of Science:
- Molecular Biology
- Genetics
- Structural Biology
Background:
- Large serine recombinases (LSRs) mediate site-specific DNA recombination.
- Bacteriophage integrases, a type of LSR, facilitate DNA integration into bacterial chromosomes.
- LSR reactions are highly directional and site-specific, with limited understanding of their structural mechanisms.
Purpose of the Study:
- To review recent biochemical and genetic studies of LSRs.
- To integrate findings with newly described structural models of LSR-DNA complexes.
- To elucidate LSR domain structure and DNA-binding modes at attP and attB sites.
Main Methods:
- Biochemical studies
- Molecular genetic studies
- Analysis of structural models of LSR-DNA complexes
Main Results:
- Detailed understanding of LSR domain structure.
- Characterization of differential binding modes to attP and attB attachment sites.
- Insights into the mechanisms underlying LSR site-selectivity and directionality.
Conclusions:
- Structural insights are crucial for understanding LSR function.
- LSRs are valuable tools for genetic engineering and gene therapy.
- Further research on LSR structure and DNA-binding properties can enhance their applications.
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