5KV9:
reference: The impact of the butterfly effect on human parainfluenza virus haemagglutinin-neuraminidase inhibitor design., Dirr L, El-Deeb IM, Chavas LMG, Guillon P, Itzstein MV, Sci Rep. 2017 Jul 3;7(1):4507. doi: 10.1038/s41598-017-04656-y. PMID: 28674426

This OCA Structure page
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