5W1X:
reference: Structural basis of oligosaccharide receptor recognition by human Papillomavirus., Dasgupta J, Bienkowska-Haba M, Ortega ME, Patel HD, Bodevin S, Spillmann D, Bishop B, Sapp M, Chen XS, J Biol Chem. 2010 Nov 30. PMID: 21115492

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).