5EQ4:
reference: Structural Basis for Sialoglycan Binding by the Streptococcus sanguinis SrpA Adhesin., Bensing BA, Loukachevitch LV, McCulloch KM, Yu H, Vann KR, Wawrzak Z, Anderson S, Chen X, Sullam PM, Iverson TM, J Biol Chem. 2016 Feb 1. pii: jbc.M115.701425. PMID: 26833566

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