PROSITE documentation PDOC00346
Potexviruses and carlaviruses coat protein signature


Potexviruses and carlaviruses are plant-infecting viruses whose genome consist of a single-stranded RNA molecule encapsided in a coat protein. The genome of many potexviruses is known and their coat protein sequence has been shown to be rather well conserved [1]. The same observation applies to the coat protein of a variety of carlaviruses whose sequences are related to those of potexviruses [2,3]. The coat proteins of potexviruses and of carlaviruses contain from 190 to 300 amino acid residues.

The best conserved region of these coat proteins is located in the central part and can be used as a signature pattern.

Last update:

December 2004 / Pattern and text revised.


Technical section

PROSITE method (with tools and information) covered by this documentation:

POTEX_CARLAVIRUS_COAT, PS00418; Potexviruses and carlaviruses coat protein signature  (PATTERN)


1AuthorsAbouhaidar M.G. Lai R.
TitleNucleotide sequence of the 3'-terminal region of clover yellow mosaic virus RNA.
SourceJ. Gen. Virol. 70:1871-1875(1989).
PubMed ID2738582

2AuthorsMacKenzie D.J. Tremaine J.H. Stace-Smith R.
TitleOrganization and interviral homologies of the 3'-terminal portion of potato virus S RNA.
SourceJ. Gen. Virol. 70:1053-1063(1989).
PubMed ID2732711

3AuthorsHenderson J. Gibbs M.J. Edwards M.L. Clarke V.A. Gardner K.A. Cooper J.I.
TitlePartial nucleotide sequence of poplar mosaic virus RNA confirms its classification as a carlavirus.
SourceJ. Gen. Virol. 73:1887-1890(1992).
PubMed ID1629709

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