4L2H:
reference: Visualization of poly(ADP-ribose) bound to PARG reveals inherent balance between exo- and endo-glycohydrolase activities., Barkauskaite E, Brassington A, Tan ES, Warwicker J, Dunstan MS, Banos B, Lafite P, Ahel M, Mitchison TJ, Ahel I, Leys D, Nat Commun. 2013 Aug 6;4:2164. doi: 10.1038/ncomms3164. PMID: 23917065

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