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Structure and Specific RNA Binding of ADAR2 Double-Stranded RNA Binding Motifs

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F06%3A00018473" target="_blank" >RIV/00216224:14310/06:00018473 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Structure and Specific RNA Binding of ADAR2 Double-Stranded RNA Binding Motifs

  • Original language description

    Adenosine deaminases that act on RNA (ADARs) siteselectively modify adenosines to inosines within RNA transcripts, thereby recoding genomic information. How ADARs select specific adenosine moieties for deamination is poorly understood. Here, we report NMR structures of the two double-stranded RNA binding motifs (dsRBMs) of rat ADAR2 and an NMR chemical shift perturbation study of the interaction of the two dsRBMs with a 71 nucleotide RNA encoding the R/G site of the GluR-B. We have identified the protein and the RNA surfaces involved in complex formation, allowing us to present an NMR-based model of the complex. We have found that dsRBM1 recognizes a conserved pentaloop, whereas dsRBM2 recognizes two bulged bases adjacent to the editing site, demonstrating RNA structure-dependent recognition by the ADAR2 dsRBMs. In vitro mutagenesis studies with both the protein and the RNA further support our structural findings.

  • Czech name

    Structure and Specific RNA Binding of ADAR2 Double-Stranded RNA Binding Motifs

  • Czech description

    Adenosine deaminases that act on RNA (ADARs) siteselectively modify adenosines to inosines within RNA transcripts, thereby recoding genomic information. How ADARs select specific adenosine moieties for deamination is poorly understood. Here, we report NMR structures of the two double-stranded RNA binding motifs (dsRBMs) of rat ADAR2 and an NMR chemical shift perturbation study of the interaction of the two dsRBMs with a 71 nucleotide RNA encoding the R/G site of the GluR-B. We have identified the protein and the RNA surfaces involved in complex formation, allowing us to present an NMR-based model of the complex. We have found that dsRBM1 recognizes a conserved pentaloop, whereas dsRBM2 recognizes two bulged bases adjacent to the editing site, demonstrating RNA structure-dependent recognition by the ADAR2 dsRBMs. In vitro mutagenesis studies with both the protein and the RNA further support our structural findings.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CE - Biochemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Structure

  • ISSN

    0969-2126

  • e-ISSN

  • Volume of the periodical

    14

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    345-355

  • UT code for WoS article

  • EID of the result in the Scopus database