| Domain | Name | Category | Type |
| IPR000504 | RNA recognition motif domain | Domain | Domain |
| IPR006536 | HnRNP-L/PTB | Family | Family |
| IPR012677 | Nucleotide-binding alpha-beta plait domain superfamily | Family | Homologous superfamily |
| IPR021790 | PTBP1, RNA recognition motif 2-like | Domain | Domain |
| IPR034798 | Polypyrimidine tract-binding protein1/2/3, RNA recognition motif 2 | Domain | Domain |
| IPR034799 | PTBP2, RNA recognition motif 3 | Domain | Domain |
| IPR034800 | PTBP2, RNA recognition motif 4 | Domain | Domain |
| IPR035002 | PTBP2, RNA recognition motif 1 | Domain | Domain |
| IPR035979 | RNA-binding domain superfamily | Family | Homologous superfamily |