5ZV7:
reference: Structural Adaptations of Norovirus GII.17/13/21 Lineage through Two Distinct Evolutionary Paths., Qian Y, Song M, Jiang X, Xia M, Meller J, Tan M, Chen Y, Li X, Rao Z, J Virol. 2018 Dec 10;93(1). pii: JVI.01655-18. doi: 10.1128/JVI.01655-18. Print, 2019 Jan 1. PMID: 30333166

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