| Domain | Name | Category | Type |
| IPR000876 | Ribosomal protein S4e | Family | Family |
| IPR002942 | RNA-binding S4 domain | Domain | Domain |
| IPR005824 | KOW | Domain | Domain |
| IPR013843 | Ribosomal protein S4e, N-terminal | Domain | Domain |
| IPR013845 | Ribosomal protein S4e, central region | Domain | Domain |
| IPR014722 | Ribosomal protein L2, domain 2 | Family | Homologous superfamily |
| IPR018199 | Ribosomal protein S4e, N-terminal, conserved site | Site | Conserved site |
| IPR032277 | 40S ribosomal protein S4, C-terminal domain | Domain | Domain |
| IPR038237 | Ribosomal protein S4e, central domain superfamily | Family | Homologous superfamily |
| IPR041982 | Ribosomal protein S4, KOW domain | Domain | Domain |