| IPR031273 | Protein mono-ADP-ribosyltransferase PARP4 | Family |
| IPR012317 | Poly(ADP-ribose) polymerase, catalytic domain | Domain |
| IPR013694 | VIT domain | Domain |
| IPR001357 | BRCT domain | Domain |
| IPR036420 | BRCT domain superfamily | Homologous Superfamily |
| IPR036616 | Poly(ADP-ribose) polymerase, regulatory domain superfamily | Homologous Superfamily |
| IPR036465 | von Willebrand factor A-like domain superfamily | Homologous Superfamily |
| IPR004102 | Poly(ADP-ribose) polymerase, regulatory domain | Domain |
| IPR002035 | von Willebrand factor, type A | Domain |