- Pospiviroid RY motif stem loop
The Pospiviroid RY motif stem loop is an RNA element found in Pospiviroids such as
potato spindle tuber viroid (PSTVd). The RYnucleotide sequence motif (5'-ACAGG and CUCUUCC-5') in PSTVd, is thought to bind with the tomatoprotein Virp1. The exact function of this motif and the significance of Virp1 binding is unknown. It is however thought that RY motifs are essential for establishing aviroid infection. [cite journal | last = Gozmanova | first = M | coauthors = Denti MA, Minkov IN, Tsagris M, Tabler M | year = 2003 | title = Characterization of the RNA motif responsible for the specific interaction of potato spindle tuber viroid RNA (PSTVd) and the tomato protein Virp1 | journal = Nucleic Acids Res | volume = 31 | pages = 5534–5543 | pmid = 14500815 | doi = 10.1093/nar/gkg777]References
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