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PDOC00346
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1995-07-26
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* Potexviruses and carlaviruses coat protein signature *
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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.
-Consensus pattern: [RK]-[FY]-A-[GAP]-F-D-x-F-x(2)-V-x(3)-[GAST](2)
-Sequences known to belong to this class detected by the pattern: ALL, except
for the coat protein of Foxtail Mosaic Virus (FMV).
-Other sequence(s) detected in SWISS-PROT: NONE.
-Last update: October 1993 / Pattern and text revised.
[ 1] Abouhaidar M.G., Lai R.
J. Gen. Virol. 70:1871-1875(1989).
[ 2] Mackenzie D.J., Tremaine J.H., Stace-Smith R.
J. Gen. Virol. 70:1053-1063(1989).
[ 3] Henderson J., Gibbs M.J., Edwards M.L., Clarke V.A., Gardner K.A.,
Cooper J.I.
J. Gen. Virol. 73:1887-1890(1992).