1L4I:
reference: Structure of the S pilus periplasmic chaperone SfaE at 2.2 A resolution., Knight SD, Choudhury D, Hultgren S, Pinkner J, Stojanoff V, Thompson A, Acta Crystallogr D Biol Crystallogr 2002 Jun;58(Pt 6 Pt 2):1016-22. PMID: 12037304

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