6Y90:
reference: Binding mechanisms of therapeutic antibodies to human CD20., Kumar A, Planchais C, Fronzes R, Mouquet H, Reyes N, Science. 2020 Aug 14;369(6505):793-799. doi: 10.1126/science.abb8008. PMID: 32792392

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