6QU8:
reference: Human adenovirus type 26 uses sialic acid-bearing glycans as a primary cell entry receptor., Baker AT, Mundy RM, Davies JA, Rizkallah PJ, Parker AL, Sci Adv. 2019 Sep 4;5(9):eaax3567. doi: 10.1126/sciadv.aax3567. eCollection 2019 , Sep. PMID: 31517055

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