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Fluorescence resonance energy transfer as a structural tool for nucleic acids
1CRC Nucleic Acid Structure Research Group, Department of Biochemistry, The University of Dundee, Dundee DD1 4HN, UK. dmjilley@bad.dundee.ac.uk
Current Opinion in Chemical Biology
|September 28, 2000
Summary
Fluorescence resonance energy transfer (FRET) measures distances in macromolecules. This spectroscopic method is increasingly used for nucleic acid structure analysis, including exciting single-molecule studies.
Area of Science:
- Biophysics
- Spectroscopy
- Structural Biology
Background:
- Fluorescence resonance energy transfer (FRET) is a biophysical technique.
- FRET provides distance information for macromolecules in solution (20-80 Å).
- It is valuable for analyzing the global structure of nucleic acids.
Purpose of the Study:
- To highlight the utility of FRET in nucleic acid structure analysis.
- To discuss the resurgence and increasing interest in FRET applications.
- To introduce the extension of FRET to single-molecule studies.
Main Methods:
- Utilizing FRET as a spectroscopic method.
- Applying FRET to determine distances within macromolecules.
- Employing FRET for constraints in nucleic acid structure modeling.
Main Results:
- FRET provides crucial long-range distance information.
- The application of FRET to nucleic acid structure has grown significantly.
- FRET has been successfully extended to single-molecule studies.
Conclusions:
- FRET is a powerful tool for nucleic acid structural analysis.
- The technique's applicability and interest continue to expand.
- Single-molecule FRET represents a significant advancement in the field.