3SQ8:
reference: Analysis of the Active-Site Mechanism of Tyrosyl-DNA Phosphodiesterase I: A Member of the Phospholipase D Superfamily., Gajewski S, Comeaux EQ, Jafari N, Bharatham N, Bashford D, White SW, van Waardenburg RC, J Mol Biol. 2011 Dec 6. PMID: 22155078

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