4CDB:
reference: Crystal structure of listeriolysin O reveals molecular details of oligomerization and pore formation., Koster S, van Pee K, Hudel M, Leustik M, Rhinow D, Kuhlbrandt W, Chakraborty T, Yildiz O, Nat Commun. 2014 Apr 22;5:3690. doi: 10.1038/ncomms4690. PMID: 24751541

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