3UH4:
reference: Structure of human tankyrase 1 in complex with small-molecule inhibitors PJ34 and XAV939., Kirby CA, Cheung A, Fazal A, Shultz MD, Stams T, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Feb 1;68(Pt, 2):115-8. Epub 2012 Jan 21. PMID: 22297980

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