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Gene Review

ORF2  -  ORF2

Grapevine virus B

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Disease relevance of ORF2

  • Two putative open reading frames (ORF) were identified: ORF 1 that codes for a 194 kDa polypeptide with conserved motifs of replication-related proteins of positive-strand RNA viruses, and ORF 2 that encodes a 19 kDa polypeptide with no significant homology with protein sequences from databases [1].

High impact information on ORF2

  • ORF 2 encoded a 20 kDa polypeptide that did not show any significant sequence homology with protein sequences from the databases [2].


  1. Grapevine virus A: nucleotide sequence, genome organization, and relationship in the Trichovirus genus. Minafra, A., Saldarelli, P., Martelli, G.P. Arch. Virol. (1997) [Pubmed]
  2. The nucleotide sequence and genomic organization of grapevine virus B. Saldarelli, P., Minafra, A., Martelli, G.P. J. Gen. Virol. (1996) [Pubmed]
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