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Chemical Dual End-Labeling of Large Ribozymes by Ahunbay, Esra (author);Steffen, Fabio D. (author);Zelger-Paulus, Susann (author);Sigel, Roland K. O. (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Chemical Dual End-Labeling of Large Ribozymes about?
Fast and efficient site-specific labeling of long RNAs is one of the main bottlenecks limiting distance measurements by means of Förster resonance energy transfer (FRET) or electron paramagnetic resonance (EPR) spectroscopy. Here, we present an optimized protocol for dual end-labeling with different fluorophores at the same time meeting the restrictions of highly labile and degradation-sensitive RNAs. We describe in detail the dual-labeling of a catalytically active wild-type group II intron as a typical representative of long functional RNAs. The modular procedure chemically activates the 5'-phosphate and the 3'-ribose for bioconjugation with a pair of fluorophores, as shown herein, or with spin labels. The mild reaction conditions preserve the structural and functional integrity of the biomacromolecule and results in covalent, dual-labeled RNA in its pre-catalytic state in yields suitable for both ensemble and single-molecule FRET experiments.
Who reads Chemical Dual End-Labeling of Large Ribozymes?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Ahunbay, Esra (author);Steffen, Fabio D. (author);Zelger-Paulus, Susann (author);Sigel, Roland K. O. (author)
- Publisher
- Springer US : Imprint : Humana
- Published
- 2022
- Language
- EN
- ISBN
- 9781071620472
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)