3S6Y:
reference: Crystal structure of reovirus attachment protein sigma1 in complex with sialylated oligosaccharides., Reiter DM, Frierson JM, Halvorson EE, Kobayashi T, Dermody TS, Stehle T, PLoS Pathog. 2011 Aug;7(8):e1002166. Epub 2011 Aug 4. PMID: 21829363

This OCA Structure page
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