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Comparative Study
. 1993 Jun;67(6):3611-4.
doi: 10.1128/JVI.67.6.3611-3614.1993.

Subgenomic RNA sequence of human astrovirus supports classification of Astroviridae as a new family of RNA viruses

S S Monroe  1 , B Jiang, S E Stine, M Koopmans, R I Glass
Affiliations
Comparative Study

Subgenomic RNA sequence of human astrovirus supports classification of Astroviridae as a new family of RNA viruses

S S Monroe et al. J Virol. 1993 Jun.

Abstract

We report the sequence of the subgenomic RNA of human astrovirus serotype 2. This 2,484-nucleotide RNA contains a single open reading frame, which encodes a protein with a predicted molecular mass of 88 kDa. We propose that this protein is the 90-kDa capsid precursor observed in infected cells. The deduced protein sequence does not contain conserved amino acid patterns reported for the capsid proteins of picornaviruses or caliciviruses, consistent with the classification of astroviruses as a new family of RNA viruses, designated Astroviridae.

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