1Q5F:
reference: NMR structure of a type IVb pilin from Salmonella typhi and its assembly into pilus., Xu XF, Tan YW, Lam L, Hackett J, Zhang M, Mok YK, J Biol Chem 2004 Jul 23;279(30):31599-605. Epub 2004 May 24. PMID: 15159389

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