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RNA aptamers to a protease, subtilisin
H Takeno1, T Tanaka, Y Kikuchi
1Department of Ecological Engineering, Toyohashi University of Technology, Japan.
Nucleic Acids Symposium Series
|January 1, 1997
Summary
Researchers selected RNA aptamers that inhibit subtilisin protease activity using Systematic evolution of ligands by exponential enrichment (SELEX). These specific RNA ligands offer potential for controlling subtilisin function.
Area of Science:
- Biochemistry
- Molecular Biology
- Biotechnology
Background:
- Subtilisin is a widely used protease with applications in various industries.
- Developing specific inhibitors for proteases like subtilisin is crucial for controlling their activity.
- RNA aptamers are emerging as potent tools for molecular recognition and inhibition.
Purpose of the Study:
- To select and isolate RNA aptamers that specifically bind to and inhibit subtilisin.
- To explore the potential of RNA aptamers as novel subtilisin inhibitors.
Main Methods:
- Systematic evolution of ligands by exponential enrichment (SELEX) was employed to select RNA aptamers.
- A subtilisin-immobilized Sepharose column was used for the affinity-based selection process.
- Multiple rounds of selection were performed to enrich for high-affinity binders.
Main Results:
- Specific RNA aptamers that inhibit subtilisin activity were successfully selected.
- The selected RNA aptamers demonstrate high specificity for subtilisin.
- Further characterization of these RNA aptamers is underway.
Conclusions:
- RNA aptamers can be effectively selected to inhibit subtilisin activity.
- The identified RNA aptamers represent a promising new class of subtilisin inhibitors.
- These findings have implications for the development of targeted protease inhibitors.