4Z4Y:
reference: The sweet quartet: Binding of fucose to the norovirus capsid., Koromyslova AD, Leuthold MM, Bowler MW, Hansman GS, Virology. 2015 May 13;483:203-208. doi: 10.1016/j.virol.2015.04.006. PMID: 25980740

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