6IWY:
reference: Structural analysis of the flagellar capping protein FliD from Helicobacter pylori., Cho SY, Song WS, Oh HB, Kim HU, Jung HS, Yoon SI, Biochem Biophys Res Commun. 2019 Jun 18;514(1):98-104. doi:, 10.1016/j.bbrc.2019.04.065. Epub 2019 Apr 22. PMID: 31023530

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