C-sis internal ribosome entry site (IRES)

c-sis internal ribosome entry site (IRES)
Predicted secondary structure and sequence conservation of IRES_c-sis
Identifiers
Symbol IRES_c-sis
Rfam RF00549
Other data
RNA type Cis-reg; IRES
Domain(s) Eukaryota
GO 0043022
SO 0000243

The c-sis internal ribosome entry site (IRES) is a RNA element found in the 5' UTR of the PDGF beta chain gene. The internal ribosome entry site contains three modules that can individually mediate internal ribosome entry. However, the full length sequence is required for maximal IRES activity. It is thought that the three IRES elements are somehow responsive to cellular changes and act to regulate the level of translation.[1]

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