5GAE:
reference: Structures of the E. coli translating ribosome with SRP and its receptor and with the translocon., Jomaa A, Boehringer D, Leibundgut M, Ban N, Nat Commun. 2016 Jan 25;7:10471. doi: 10.1038/ncomms10471. PMID: 26804923

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