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Chemical shift assignment of the viral protein genome-linked (VPg) from potato virus Y.

Coutinho de Oliveira L, Volpon L, Osborne MJ, Borden KLB

Department of Pathology and Cell Biology, Institute of Research in Immunology and Cancer (IRIC), Université de Montréal, Pavilion Marcelle-Coutu, Chemin Polytechnique, Montreal, QC, Canada.

The dysregulation of translation contributes to many pathogenic conditions in humans. Discovering new translational mechanisms is important to understanding the diversity of this process and its potential mechanisms. Such mechanisms can be initially observed in viruses. With this in mind, we studied the viral protein genome-linked VPg factor from the largest genus of plant viruses. Studies in plants show that VPg binds to the eukaryotic translation initiation factor eIF4E for translation of viral RNAs. VPg contains no known eIF4E binding motifs and no sequence homology to any known proteins. Thus, as a first step in understanding the structural basis of this interaction, we carried out NMR assignments of the VPg from the potato virus Y potyvirus protein.

Biomol NMR Assign 2019;13(1):9-13.

Pubmed ID: 30242622

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