| IPR006515 | Polyadenylate binding protein, human types 1, 2, 3, 4 | Family |
| IPR002004 | Polyadenylate-binding protein/Hyperplastic disc protein | Domain |
| IPR003954 | RNA recognition motif domain, eukaryote | Domain |
| IPR000504 | RNA recognition motif domain | Domain |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Homologous Superfamily |
| IPR036053 | PABC (PABP) domain | Homologous Superfamily |
| IPR034364 | PABP, RNA recognition motif 1 | Domain |
| IPR035979 | RNA-binding domain superfamily | Homologous Superfamily |
| IPR045305 | PABP, RNA recognition motif 2 | Domain |