Literature DB >> 20557039

Precise mapping of RNA tertiary structure via nanometer distance measurements with double electron-electron resonance spectroscopy.

Nak-Kyoon Kim1, Michael K Bowman, Victoria J DeRose.   

Abstract

Divalent metal (Mg(2+)) ion-dependent folding of the hammerhead ribozyme from Schistosoma mansoni was monitored with double electron-electron resonance (DEER) pulsed electron paramagnetic resonance spectroscopy by measuring nanometer-scale distances between paramagnetic spin-labels attached to the RNA. DEER measurements detect global folding of the ribozyme with excellent agreement between predictions from experimental, modeled, and crystallographic measurements. These measurements demonstrate the use of DEER spectroscopy as a tool for structural analysis of complex RNAs.

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Year:  2010        PMID： 20557039      PMCID： PMC2908488          DOI： 10.1021/ja101317g

Source DB:  PubMed          Journal:  J Am Chem Soc        ISSN： 0002-7863            Impact factor:   15.419


  31 in total

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