PARP

E7449 is a potent PARP1 and PARP2 inhibitor and also inhibits TNKS1 and TNKS2, with IC50s of 2.0, 1.0, ?50 and ?50 nM for PARP1, PARP2, TNKS1 and TNKS2, respectively, using 32P-NAD+ as substrate.

Niraparib R-enantiomer (MK-4827 R-enantiomer) is an excellent PARP1 inhibitor with IC50 of 2.4 nM.

G244-LM is a potent and specific tankyrase 1/2 inhibitor that inhibits Wnt signaling.

RBN-2397 is a potent, accross species and orally active NAD+ competitive inhibitor of PARP7 (IC50<3 nM).

OUL35, also known as NSC39047, is a selective PARP-10 inhibitor, and small-molecule ARTD10 inhibitor.