5LJO:
reference: Lateral opening in the intact beta-barrel assembly machinery captured by cryo-EM., Iadanza MG, Higgins AJ, Schiffrin B, Calabrese AN, Brockwell DJ, Ashcroft AE, Radford SE, Ranson NA, Nat Commun. 2016 Sep 30;7:12865. doi: 10.1038/ncomms12865. PMID: 27686148

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