5ADO:
reference: Robotic QM/MM-driven maturation of antibody combining sites., Smirnov IV, Golovin AV, Chatziefthimiou SD, Stepanova AV, Peng Y, Zolotareva OI, Belogurov AA Jr, Kurkova IN, Ponomarenko NA, Wilmanns M, Blackburn GM, Gabibov AG, Lerner RA, Sci Adv. 2016 Oct 19;2(10):e1501695. eCollection 2016 Oct. PMID: 27774510

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