Synthesis and characterization of RNA containing a rigid and nonperturbing cytidine-derived spin label

Claudia Höbartner*, Giuseppe Sicoli, Falk Wachowius, Dnyaneshwar B. Gophane, Snorri Th Sigurdsson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)

Abstract

The nitroxide-containing nucleoside Çm is reported as the first rigid spin label for paramagnetic modification of RNA by solid-phase synthesis. The spin label is well accommodated in several RNA secondary structures as judged by its minor effect on the thermodynamic stability of hairpin and duplex RNA. Electron paramagnetic resonance (EPR) spectroscopic characterization of mono-, bi-, and trimolecular RNA structures shows that Çm will be applicable for advanced EPR studies to elucidate structural and dynamic aspects of folded RNA.

Original languageEnglish
Pages (from-to)7749-7754
Number of pages6
JournalJournal of Organic Chemistry
Volume77
Issue number17
DOIs
Publication statusPublished - 7 Sept 2012

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