5NW9:
reference: Structural basis for DNA 3'-end processing by human tyrosyl-DNA phosphodiesterase 1., Flett FJ, Ruksenaite E, Armstrong LA, Bharati S, Carloni R, Morris ER, Mackay CL, Interthal H, Richardson JM, Nat Commun. 2018 Jan 2;9(1):24. doi: 10.1038/s41467-017-02530-z. PMID: 29295983

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