6U2D:
reference: Structural insight into the Staphylococcus aureus ATP-driven exporter of virulent peptide toxins., Zeytuni N, Dickey SW, Hu J, Chou HT, Worrall LJ, Alexander JAN, Carlson ML, Nosella M, Duong F, Yu Z, Otto M, Strynadka NCJ, Sci Adv. 2020 Sep 30;6(40). pii: 6/40/eabb8219. doi: 10.1126/sciadv.abb8219., Print 2020 Sep. PMID: 32998902

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