Symbol UPSK RNA type Cis-reg SO 0000233 | Rfam RF00390 Domain(s) Viruses | |
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The Upstream pseudoknot (UPSK) domain is an RNA element found in the turnip yellow mosaic virus, beet virus Q, barley stripe mosaic virus and tobacco mosaic virus, which is thought to be needed for efficient transcription. Disruption of the pseudoknot structure gives rise to a 50% drop in transcription efficiency. This element acts in conjunction with the Tymovirus/Pomovirus tRNA-like 3' UTR element to enhance translation.
References
UPSK RNA Wikipedia(Text) CC BY-SA