1MU7:
reference: Insights into substrate binding and catalytic mechanism of human tyrosyl-DNA phosphodiesterase (Tdp1) from vanadate and tungstate-inhibited structures., Davies DR, Interthal H, Champoux JJ, Hol WG, J Mol Biol 2002 Dec 13;324(5):917-32. PMID: 12470949

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