4YO3:
reference: Priming and polymerization of a bacterial contractile tail structure., Zoued A, Durand E, Brunet YR, Spinelli S, Douzi B, Guzzo M, Flaugnatti N, Legrand P, Journet L, Fronzes R, Mignot T, Cambillau C, Cascales E, Nature. 2016 Mar 3;531(7592):59-63. doi: 10.1038/nature17182. Epub 2016 Feb 24. PMID: 26909579

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