1K6Z:
reference: Three-dimensional structure of the type III secretion chaperone SycE from Yersinia pestis., Evdokimov AG, Tropea JE, Routzahn KM, Waugh DS, Acta Crystallogr D Biol Crystallogr 2002 Mar;58(Pt 3):398-406. PMID: 11856824

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