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The
dsRNA segments and proteins of Saccharomyces cerevisiae virus ScV-L1 (SCV-LA)
(genus
Totivirus: family Totiviridae)
Available
as a Word file updated August 2003
|
Single
Genome Segment
(Size
bp) |
ORFs
bp
(inclusive) |
Proteins
( ':
Protein Function) |
Protein
Size aa
(kDa) |
Copy
Number/
Particle |
Location |
Accession
number |
Functions
and Properties
[cognate
proteins] |
|
4579 |
30-
2072 |
Capsid
protein (Cap, Gag) |
680
(76.1) |
120
[1] |
virion |
NC_003745
|
Major
capsid polypeptide. May be phosphorylated
[Comparable
to: Orbivirus sub core protein VP3, rotavirus inner capsid protein VP2,
reovirus inner capsid protein lambda 1, the cypovirus 'capsid shell'
protein VP1 and Phytoreovirus P3] |
|
1939-
4579 |
Polymerase(Cap-Pol,
Gag-Pol0 |
1505
(170.5) |
one
or two molecules |
virion |
RNA
dependent RNA polymerase (replicase transcriptase) (fully conservative)
, RNA binding , Packaging of viral plus strands
[Comparable
to: reovirus l3, orbivirus VP1,
rotavirus VP1, coltivirus VP1, aquareovirus VP2, cystovirus P2 ,
seadornavirus VP1, fijivirus VP1, cypovirus VP2, phytoreovirus P1,
oryzavirus P4A] |
These
figures are for ScV-L1 (ScV-LA), although there are similar proteins known for
other totiviruses. The stochiometery was determined by cryo-electron microscopy
and SDS page analysis of capsid proteins.
Updates
available at www.reoviridae.org/dsRNA_virus_proteins/saccharomyces-cerevisiae-virus.htm
Please
make suggestions for changes or updates to this table by e-mail to Peter Mertens
peter.mertens@bbsrc.ac.uk
References
1.
Naitow
H, Canady MA, Lin T, Wickner RB, Johnson JE. (2001) Purification,
crystallization, and preliminary X-ray analysis of L-A: a dsRNA yeast virus.
Journal of Structural Biology. 135 :1-7.
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