Abstract:
:The nucleoprotein (NP) of the influenza A virus encapsidates the viral RNA and participates in the infectious life cycle of the virus. The aims of this study were to find the degree of conservation of NP among all virus subtypes and hosts and to identify conserved binding sites, which may be utilised as potential drug target sites. The analysis of conservation based on 4430 amino acid sequences identified high conservation in known functional regions as well as novel highly conserved sites. Highly variable clusters identified on the surface of NP may be associated with adaptation to different hosts and avoidance of the host immune defence. Ligand binding potential overlapping with high conservation was found in the tail-loop binding site and near the putative RNA binding region. The results provide the basis for developing antivirals that may be universally effective and have a reduced potential to induce resistance through mutations.
journal_name
Virologyjournal_title
Virologyauthors
Kukol A,Hughes DJdoi
10.1016/j.virol.2014.01.023subject
Has Abstractpub_date
2014-04-01 00:00:00pages
40-7eissn
0042-6822issn
1096-0341pii
S0042-6822(14)00036-1journal_volume
454-455pub_type
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