3THX: Human Mutsbeta Complexed With An Idl Of 3 Bases (Loop3) And
reference: Mechanism of mismatch recognition revealed by human MutSbeta bound to unpaired DNA loops., Gupta S, Gellert M, Yang W, Nat Struct Mol Biol. 2011 Dec 18;19(1):72-8. doi: 10.1038/nsmb.2175. PMID: 22179786

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