Author: Jourdan, Stefanie S.; Osorio, Fernando A.; Hiscox, Julian A.
Title: Biophysical characterisation of the nucleocapsid protein from a highly pathogenic porcine reproductive and respiratory syndrome virus strain Cord-id: e0wfn9fz Document date: 2012_3_9
ID: e0wfn9fz
Snippet: The arterivirus nucleocapsid (N) protein is a multifunctional protein that binds viral RNA for encapsidation and has potential roles in host cell processes. This study characterised the N protein from a highly virulent North American strain of porcine reproductive and respiratory syndrome virus (PRRSV). The association with viral RNA was mapped to defined motifs on the N protein. The results indicated that disulphide bridge formation played a key role in RNA binding, offering an explanation why
Document: The arterivirus nucleocapsid (N) protein is a multifunctional protein that binds viral RNA for encapsidation and has potential roles in host cell processes. This study characterised the N protein from a highly virulent North American strain of porcine reproductive and respiratory syndrome virus (PRRSV). The association with viral RNA was mapped to defined motifs on the N protein. The results indicated that disulphide bridge formation played a key role in RNA binding, offering an explanation why infectious virus cannot be rescued if cysteine residues are mutated, and that multiple sites may promote RNA binding.
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