Biology:Tobamovirus internal ribosome entry site (IRES)

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Tobamovirus internal ribosome entry site (IRES)
RF00225.jpg
Predicted secondary structure and sequence conservation of IRES_Tobamo
Identifiers
SymbolIRES_Tobamo
Alt. SymbolsTobamo_IRES
RfamRF00225
Other data
RNA typeCis-reg; IRES
Domain(s)Viruses
GO0043022
SO0000243
PDB structuresPDBe

The Tobamovirus internal ribosome entry site (IRES) is an element that allows cap and end-independent translation of mRNA in the host cell.[1] The IRES achieves this by mediating the internal initiation of translation by recruiting a ribosomal 43S pre-initiation complex directly to the initiation codon and eliminates the requirement for the eukaryotic initiation factor, eIF4F.[2]

See also

  • Mnt IRES
  • N-myc IRES
  • TrkB IRES

References

  1. "A tobamovirus genome that contains an internal ribosome entry site functional in vitro". Virology 232 (1): 32–43. May 1997. doi:10.1006/viro.1997.8525. PMID 9185586. 
  2. "Ribosomal binding to the internal ribosomal entry site of classical swine fever virus". RNA 6 (12): 1791–1807. December 2000. doi:10.1017/S1355838200000662. PMID 11142379. 

External links