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MERS coronavirus envelope protein has a single transmembrane domain that forms pentameric ion channels.

Identifieur interne : 001290 ( Main/Merge ); précédent : 001289; suivant : 001291

MERS coronavirus envelope protein has a single transmembrane domain that forms pentameric ion channels.

Auteurs : Wahyu Surya [Singapour] ; Yan Li [Singapour] ; Carmina Verdià-Bàguena [Espagne] ; Vicente M. Aguilella [Espagne] ; Jaume Torres [Singapour]

Source :

RBID : pubmed:25733052

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Abstract

The Middle East respiratory syndrome coronavirus (MERS-CoV) is a newly identified pathogen able of human transmission that causes a mortality of almost 40%. As in the case of SARS-CoV, MERS virus lacking E protein represents a potential vaccine. In both cases, abolishment of channel activity may be a contributor to the attenuation observed in E-deleted viruses. Herein, we report that purified MERS-CoV E protein, like SARS-CoV E protein, is almost fully α-helical, has a single α-helical transmembrane domain, and forms pentameric ion channels in lipid bilayers. Based on these similarities, and the proposed involvement of channel activity as virulence factor in SARS-CoV E protein, MERS-CoV E protein may constitute a potential drug target.

DOI: 10.1016/j.virusres.2015.02.023
PubMed: 25733052

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pubmed:25733052

Le document en format XML

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<div type="abstract" xml:lang="en">The Middle East respiratory syndrome coronavirus (MERS-CoV) is a newly identified pathogen able of human transmission that causes a mortality of almost 40%. As in the case of SARS-CoV, MERS virus lacking E protein represents a potential vaccine. In both cases, abolishment of channel activity may be a contributor to the attenuation observed in E-deleted viruses. Herein, we report that purified MERS-CoV E protein, like SARS-CoV E protein, is almost fully α-helical, has a single α-helical transmembrane domain, and forms pentameric ion channels in lipid bilayers. Based on these similarities, and the proposed involvement of channel activity as virulence factor in SARS-CoV E protein, MERS-CoV E protein may constitute a potential drug target. </div>
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