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Schematic representation of the interaction of HAstVs UTR regions with cellular factors. The 5′ and 3′ UTR of astroviral RNA binds to PTB and hnRNPE2 (a.k.a. PCBP2), proteins. Additionally, the 3′ UTR binds to five others proteins p40, p45, p50, p52 and p75, the identity of these proteins has to be determined. The hnRNPE2 would be interacting with UUAT motif (nt 31–34) in 5′ UTR or UUAG motif in 3′ UTR (nt 6717–6720)
