6OGE:
reference: Cryo-EM Structure of HER2-trastuzumab-pertuzumab complex., Hao Y, Yu X, Bai Y, McBride HJ, Huang X, PLoS One. 2019 May 1;14(5):e0216095. doi: 10.1371/journal.pone.0216095., eCollection 2019. PMID: 31042744

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