1USR:
reference: Second sialic acid binding site in Newcastle disease virus hemagglutinin-neuraminidase: implications for fusion., Zaitsev V, von Itzstein M, Groves D, Kiefel M, Takimoto T, Portner A, Taylor G, J Virol 2004 Apr;78(7):3733-41. PMID: 15016893

This OCA Structure page
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