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Homing endonucleases: keeping the house in order
1Molecular Genetics Program, Wadsworth Center, New York State Department of Health, and School of Public Health, State University of New York at Albany, PO Box 22002, Albany, New York 12201-2002, USA. marlene.belfort@wadsworth.org
Nucleic Acids Research
|September 1, 1997
Summary
Homing endonucleases, rare-cutting enzymes from introns and inteins, possess unique properties. Their structure, function, and evolution are explored, with a focus on the LAGLIDADG family for genome analysis.
Area of Science:
- Biochemistry
- Molecular Biology
- Genomics
Background:
- Homing endonucleases are enzymes encoded by introns and inteins.
- They exhibit unique structural and functional characteristics differentiating them from restriction enzymes.
- Established nomenclature conventions facilitate their study.
Purpose of the Study:
- To review recent advancements in understanding homing endonuclease structure and function.
- To highlight the significance of the LAGLIDADG family structures.
- To summarize their applications in genome analysis and recombination research.
Main Methods:
- Literature review of recent progress in homing endonuclease research.
- Analysis of structural and functional data for four families of homing enzymes.
- Examination of evolutionary aspects and biological persistence.
Main Results:
- Detailed review of the four known families of homing endonucleases.
- Presentation of the first reported structures for LAGLIDADG family homing endonucleases.
- Summary of current applications in genome analysis and recombination.
Conclusions:
- Homing endonucleases possess distinct properties valuable for molecular biology.
- Structural insights into the LAGLIDADG family offer new research avenues.
- Their evolutionary persistence underscores their biological importance.