Table 2 IC50 values of well-known and new compounds against hPARP1, PdPARP and HaPARP.

From: Comparative inhibitory profile and distribution of bacterial PARPs, using Clostridioides difficile CD160 PARP as a model

Compound

hPARP1

CdPARP

HaPARP

Literature IC50 (nM)

IC50 (nM)

IC50 (µM)

IC50 (µM)

Rucaparib

1.456

12.1 ± 1.7

5.3 ± 0.7

7.2 ± 0.7

ABT-888

5.257

21.0 ± 1.9

>50

>50

PJ-34

2058

34.5 ± 3.1

32.4 ± 9.8

50.4 ± 6.4

EB-47

4547

37.2 ± 4.9

0.86 ± 0.07

1.0 ± 0.1

DPQ

4059

73.8 ± 8.2

25.3 ± 7.1

>50

7655698

81.2 ± 21.3

7650649

136.1 ± 41.1

7651361

168.2 ± 44.1

7642078

181.9 ± 21.4

4-amino 1.8-naphthalimide

18060

247.6 ± 35.9

7669941

308.4 ± 21.3

7670490

403.7 ± 53.4

7650155

458.9 ± 74.7

7660328

481.3 ± 30.1

TIQ-A

45061

596.3 ± 31.4

15.7 ± 4.1

7.9 ± 1.7

9019116

676.8 ± 32.7

XAV-939

220062

726.2 ± 156.1

>50

>50

  1. Literature values are from different authors47,56,57,58,59,60,61,62.