6BWE:
reference: In vitro reconstitution of sortase-catalyzed pilus polymerization reveals structural elements involved in pilin cross-linking., Chang C, Amer BR, Osipiuk J, McConnell SA, Huang IH, Hsieh V, Fu J, Nguyen HH, Muroski J, Flores E, Ogorzalek Loo RR, Loo JA, Putkey JA, Joachimiak A, Das A, Clubb RT, Ton-That H, Proc Natl Acad Sci U S A. 2018 Jun 12;115(24):E5477-E5486. doi:, 10.1073/pnas.1800954115. Epub 2018 May 29. PMID: 29844180

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