7JSV:
reference: Cryoelectron-Microscopic Structure of the pKpQIL Conjugative Pili from Carbapenem-Resistant Klebsiella pneumoniae., Zheng W, Pena A, Low WW, Wong JLC, Frankel G, Egelman EH, Structure. 2020 Sep 8. pii: S0969-2126(20)30292-6. doi:, 10.1016/j.str.2020.08.010. PMID: 32916103

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