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Tobamovirus internal ribosome entry site (IRES)

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Tobamovirus internal ribosome entry site (IRES)
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
GOGO:0043022
SOSO:0000243
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. 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.

See also

References

  1. Ivanov PA, Karpova OV, Skulachev MV, Tomashevskaya OL, Rodionova NP, Atabekov JG (May 1997). "A tobamovirus genome that contains an internal ribosome entry site functional in vitro". Virology. 232 (1): 32–43. doi:10.1006/viro.1997.8525. PMID 9185586.
  2. Kolupaeva VG, Pestova TV, Hellen CU (December 2000). "Ribosomal binding to the internal ribosomal entry site of classical swine fever virus". RNA. 6 (12): 1791–1807. doi:10.1017/S1355838200000662. PMC 1370049. PMID 11142379.

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