5ME3:
reference: Structure of the cohesin loader Scc2., Chao WC, Murayama Y, Munoz S, Jones AW, Wade BO, Purkiss AG, Hu XW, Borg A, Snijders AP, Uhlmann F, Singleton MR, Nat Commun. 2017 Jan 6;8:13952. doi: 10.1038/ncomms13952. PMID: 28059076

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