COH34 is a potent and specific poly(ADP-ribose) glycohydrolase (PARG) inhibitor with an IC50 of 0.37 nM. COH34 binds to the catalytic domain of PARG (Kd=0.547 μM), thereby prolonging PARylation at DNA lesions and trapping DNA repair factors[1].
[1]. Chen SH, et al. Targeting dePARylation selectively suppresses DNA repair-defective and PARP inhibitor-resistant malignancies. Sci Adv. 2019 Apr 10;5(4):eaav4340.
















