4J3O: Crystal Structure Of The Fimd Usher Traversed By The Pilus T Assembly Composed Of Fimc:Fimf:Fimg:Fimh
reference: Structural and energetic basis of folded-protein transport by the FimD usher., Geibel S, Procko E, Hultgren SJ, Baker D, Waksman G, Nature. 2013 Apr 11;496(7444):243-6. doi: 10.1038/nature12007. PMID: 23579681

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