6FU8:
reference: The shape of the ribosome exit tunnel affects cotranslational protein folding., Kudva R, Tian P, Pardo-Avila F, Carroni M, Best R, Bernstein HD, von Heijne G, Elife. 2018 Nov 26;7. pii: 36326. doi: 10.7554/eLife.36326. PMID: 30475203

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