Trafficking motifs in the SARS-coronavirus nucleocapsid protein.
Identifieur interne : 003563 ( Main/Exploration ); précédent : 003562; suivant : 003564Trafficking motifs in the SARS-coronavirus nucleocapsid protein.
Auteurs : Jae-Hwan You [Royaume-Uni] ; Mark L. Reed ; Julian A. HiscoxSource :
- Biochemical and biophysical research communications [ 0006-291X ] ; 2007.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Fractions subcellulaires, Protéines de la matrice virale.
- physiologie : Transport de protéines.
- Animaux, Cellules COS, Liaison aux protéines, Motifs d'acides aminés, Sites de fixation.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Viral Matrix Proteins.
- metabolism : Subcellular Fractions.
- physiology : Protein Transport.
- Amino Acid Motifs, Animals, Binding Sites, COS Cells, Chlorocebus aethiops, Protein Binding.
Abstract
The severe acute respiratory syndrome-coronavirus nucleocapsid (N) protein is involved in virus replication and modulation of cell processes. In this latter respect control may in part be achieved through the sub-cellular localisation of the protein. N protein predominately localises in the cytoplasm (the site of virus replication and assembly) but also in the nucleus/nucleolus. Using a combination of live-cell and confocal microscopy coupled to mutagenesis we identified a cryptic nucleolar localisation signal in the central part of the N protein. In addition, based on structural comparison to the avian coronavirus N protein, a nuclear export signal was identified in the C-terminal region of the protein.
DOI: 10.1016/j.bbrc.2007.05.036
PubMed: 17524366
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">The severe acute respiratory syndrome-coronavirus nucleocapsid (N) protein is involved in virus replication and modulation of cell processes. In this latter respect control may in part be achieved through the sub-cellular localisation of the protein. N protein predominately localises in the cytoplasm (the site of virus replication and assembly) but also in the nucleus/nucleolus. Using a combination of live-cell and confocal microscopy coupled to mutagenesis we identified a cryptic nucleolar localisation signal in the central part of the N protein. In addition, based on structural comparison to the avian coronavirus N protein, a nuclear export signal was identified in the C-terminal region of the protein.</div>
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