5DCF:
reference: Activation of Xer-recombination at dif: structural basis of the FtsKgamma-XerD interaction., Keller AN, Xin Y, Boer S, Reinhardt J, Baker R, Arciszewska LK, Lewis PJ, Sherratt DJ, Lowe J, Grainge I, Sci Rep. 2016 Oct 6;6:33357. doi: 10.1038/srep33357. PMID: 27708355

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