Sidansvarig: Webbredaktion
Sidan uppdaterades: 2012-09-11 15:12
| Författare |
I. Cruz-Gallardo A. Aroca Cecilia Persson B Göran Karlsson I. Diaz-Moreno |
|---|---|
| Publicerad i | Journal of Biological Chemistry |
| Volym | 288 |
| Nummer/häfte | 36 |
| Sidor | 25986-25994 |
| ISSN | 0021-9258 |
| Publiceringsår | 2013 |
| Publicerad vid |
Svenskt NMR-centrum vid Göteborgs universitet |
| Sidor | 25986-25994 |
| Språk | en |
| Länkar |
dx.doi.org/10.1074/jbc.M113.489070 |
| Ämnesord | MAMMALIAN STRESS GRANULES, MESSENGER-RNAS, PROTEIN COMPLEX, DOMAIN, NMR, PHOSPHORYLATION, IDENTIFICATION, HEMAGGLUTININ, RECRUITMENT, REGULATOR |
| Ämneskategorier | Biokemi |
T-cell intracellular antigen-1 (TIA-1) is a DNA/RNA-binding protein that regulates critical events in cell physiology by the regulation of pre-mRNA splicing and mRNA translation. TIA-1 is composed of three RNA recognition motifs (RRMs) and a glutamine-rich domain and binds to uridine-rich RNA sequences through its C-terminal RRM2 and RRM3 domains. Here, we show that RNA binding mediated by either isolated RRM3 or the RRM23 construct is controlled by slight environmental pH changes due to the protonation/deprotonation of TIA-1 RRM3 histidine residues. The auxiliary role of the C-terminal RRM3 domain in TIA-1 RNA recognition is poorly understood, and this work provides insight into its binding mechanisms.
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