6X3I:
reference: Engineered Fc-glycosylation switch to eliminate antibody effector function., Zhou Q, Jaworski J, Zhou Y, Valente D, Cotton J, Honey D, Boudanova E, Beninga J, Rao E, Wei R, Mauriac C, Pan C, Park A, Qiu H, MAbs. 2020 Jan-Dec;12(1):1814583. doi: 10.1080/19420862.2020.1814583. PMID: 32892677

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