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1992•FEBS LettersOpen access

A short form of the tick‐borne encephalitis virus NS3 protein

Konstantin V. Pugachev, Natalia Nomokonova, Olga Vladimirovna Morozova, Alexander G. Pletnev

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Abstract

Using monoclonal antibodies to the tick-borne encephalitis virus (TBE) nonstructural protein NS3 two forms of this protein were revealed in TBE-infected mammalian cells: a full-length form (69 kDa) and a short form (49 kDa) which has not been observed before and was called NS3'. Recombinant plasmids were constructed and various fragments of the TBE NS3 gene were expressed in rabbit reticulocyte lysate. By analyzing immune precipitates of 35S-labeled translation products, we could monitor and localize internal cleavage of NS3, due to which the NS3' protein was generated.

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What this paper is about

Using monoclonal antibodies to the tick-borne encephalitis virus (TBE) nonstructural protein NS3 two forms of this protein were revealed in TBE-infected mammalian cells: a full-length form (69 kDa) and a short form (49 kDa) which has not been observed before and was called NS3'. Recombinant plasmids were constructed and various fragments of the TBE NS3 gene were expressed in rabbit reticulocyte lysate. By analyzing immune precipitates of 35S-labeled translation products, we could monitor and localize internal cleavage of NS3, due to which the NS3' protein was generated.

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Available abstract

Using monoclonal antibodies to the tick-borne encephalitis virus (TBE) nonstructural protein NS3 two forms of this protein were revealed in TBE-infected mammalian cells: a full-length form (69 kDa) and a short form (49 kDa) which has not been observed before and was called NS3'. Recombinant plasmids were constructed and various fragments of the TBE NS3 gene were expressed in rabbit reticulocyte lysate. By analyzing immune precipitates of 35S-labeled translation products, we could monitor and localize internal cleavage of NS3, due to which the NS3' protein was generated.

Key concepts: NS3, Tick-borne encephalitis virus, Virology, Recombinant DNA, Monoclonal antibody, Virus, Biology, Encephalitis

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