Turnip crinkle virus (TCV) core promoter hairpin (Pr)

The turnip crinkle virus (TCV) core promoter hairpin (Pr) is an RNA element located in the 3' UTR of the viral genome that is required for minus strand RNA synthesis. [cite journal | last = McCormack | first = JC | coauthors = Simon AE | year = 2004 | title = Biased hypermutagenesis associated with mutations in an untranslated hairpin of an RNA virus | journal = J Virol | volume = 78 | pages = 7813–7817 | pmid = 15220455 | doi = 10.1128/JVI.78.14.7813-7817.2004] . The picture shown is not the TCV core promoter, but an upstream hairpin that is also required for replication of the virus.

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