3QKU:
reference: ABC ATPase signature helices in Rad50 link nucleotide state to Mre11 interface for DNA repair., Williams GJ, Williams RS, Williams JS, Moncalian G, Arvai AS, Limbo O, Guenther G, Sildas S, Hammel M, Russell P, Tainer JA, Nat Struct Mol Biol. 2011 Apr;18(4):423-31. Epub 2011 Mar 27. PMID: 21441914

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