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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Interviral homologies of the 30K proteins of tobamoviruses.

The 30K protein of tobacco mosaic virus was recently confirmed to be involved in cell-to-cell movement of the virus. To characterize common structural features of the 30K protein, the nucleotide sequence of the 30K protein gene of cucumber green mottle mosaic virus (CGMMV, a member of the tobamoviruses) RNA has been determined. The CGMMV 30K protein is composed of 264 amino acids with a calculated molecular weight of 28,800. Comparisons among the 30K proteins of tobamoviruses show that the 30K proteins are composed of a rather conserved N-terminal two-thirds and a less-conserved C-terminal one-third. The N-terminal two-thirds contain two particularly well-conserved sequences, one of which contains amino acid substitutions that result in temperature-sensitive cell-to-cell movement. The C-terminal region is further divided into three subregions by distribution of charged amino acid residues.[1]


  1. Interviral homologies of the 30K proteins of tobamoviruses. Saito, T., Imai, Y., Meshi, T., Okada, Y. Virology (1988) [Pubmed]
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