4F1H:
reference: Structural basis for recognition of 5'-phosphotyrosine adducts by Tdp2., Shi K, Kurahashi K, Gao R, Tsutakawa SE, Tainer JA, Pommier Y, Aihara H, Nat Struct Mol Biol. 2012 Dec;19(12):1372-7. doi: 10.1038/nsmb.2423. Epub 2012, Oct 28. PMID: 23104058

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