Huang, Q., Purzycka, KJ., Lusvarghi, S., Li, D., Legrice, SF. and Boeke, JD., 2013,  “Retrotransposon Ty1 RNA contains a 5′-terminal long-range pseudoknot required for efficient reverse transcription,” RNA. 19(3):320-32. PMCID: PMC3677243 PubMed