Sadwavirus (taxid:215920)

VIRION

image

Non-enveloped, 25-30 nm in diameter, pseudo T=3 icosahedral capsid.

GENOME

image

Segmented, bipartite linear ssRNA(+) genome of 7 kb for RNA1 and 4.6 to 5.4 kb for RNA2. The 5' terminus has a genome-linked protein (VPg).

GENE EXPRESSION

The virion RNA are infectious and serves as both the genome and viral messenger RNA. Both RNA encode a single polyprotein which is processed to yield the mature proteins.

ENZYMES

REPLICATION

CYTOPLASMIC

  1. Virus penetrates into the cell.
  2. Uncoating, and release of the viral genomic RNA into the cytoplasm.
  3. Synthesis and proteolytic cleavage of the replicase polyprotein RNA-1.
  4. Replication occurs in viral factories made of membrane vesicles derived from the ER. A dsRNA genome is synthesized from the genomic ssRNA(+).
  5. The dsRNA genome is transcribed/replicated thereby providing viral mRNAs/new ssRNA(+) genomes.
  6. Assembly of new virus particles.
  7. Movement protein allows cell-to-cell movement.

Matching UniProtKB/Swiss-Prot entries

(all links/actions below point to uniprot.org website)

2 entries grouped by protein

1 entry

RNA1 polyprotein (P1)

POL1_SDVS5
Satsuma dwarf virus (isolate Satsuma mandarin/Japan/S-58/1977) (SDV) reference strain

1 entry

RNA2 polyprotein (P2)

POL2_SDVS5
Satsuma dwarf virus (isolate Satsuma mandarin/Japan/S-58/1977) (SDV) reference strain
These structures were created with the help of Colabfold by Jason Nomburg, Nathan Price and Jennifer Doudna (ModelArchive).

Dioscorea mosaic associated virus taxid:2170181

Protein ModelArchive
Polyprotein ma-jd-viral-56271