| 4MMP: reference: Bacterial periplasmic sialic acid-binding proteins exhibit a conserved binding site., Gangi Setty T, Cho C, Govindappa S, Apicella MA, Ramaswamy S, Acta Crystallogr D Biol Crystallogr. 2014 Jul;70(Pt 7):1801-11. doi:, 10.1107/S139900471400830X. Epub 2014 Jun 24. PMID: 25004958 |
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