Short, synthetic and selectively 13C-labeled RNA sequences for the NMR structure determination of protein-RNA complexes.

ABSTRACT: We report an optimized synthesis of all canonical 2'-O-TOM protected ribonucleoside phosphoramidites and solid supports containing [13C5]-labeled ribose moieties, their sequence-specific introduction into very short RNA sequences and their use for the structure determination of two protein-RNA complexes. These specifically labeled sequences facilitate RNA resonance assignments and are essential to assign a high number of sugar-sugar and intermolecular NOEs, which ultimately improve the precision and accuracy of the resulting structures. This labeling strategy is particularly useful for the study of protein-RNA complexes with single-stranded RNA in solution, which is rapidly an increasingly relevant research area in biology.

SUBMITTER: Wenter P 

PROVIDER: S-EPMC1904103 | biostudies-literature | 2006 Jun

REPOSITORIES: biostudies-literature