4X05:
reference: Human Noroviruses' Fondness of Histo-Blood Group Antigens., Singh BK, Leuthold MM, Hansman GS, J Virol. 2014 Nov 26. pii: JVI.02968-14. PMID: 25428879

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