| IPR002867 | IBR domain | Domain |
| IPR044066 | TRIAD supradomain | Domain |
| IPR036339 | PUB-like domain superfamily | Homologous Superfamily |
| IPR026254 | E3 ubiquitin-protein ligase RNF31-like | Family |
| IPR047541 | E3 ubiquitin-protein ligase RNF31-like, modified RING finger, HC subclass | Domain |
| IPR057426 | E3 ubiquitin-protein ligase RNF31, third UBA domain | Domain |
| IPR032065 | E3 ubiquitin-protein ligase RNF31, UBA-like domain | Domain |
| IPR047539 | E3 ubiquitin-protein ligase RNF31, UBA domain | Domain |
| IPR015940 | Ubiquitin-associated domain | Domain |
| IPR036443 | Zinc finger, RanBP2-type superfamily | Homologous Superfamily |
| IPR017907 | Zinc finger, RING-type, conserved site | Conserved Site |
| IPR018997 | PUB domain | Domain |
| IPR047542 | E3 ubiquitin-protein ligase RNF31-like, Rcat domain | Domain |
| IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| IPR047543 | E3 ubiquitin-protein ligase RNF31-like, Bbox1 zinc finger | Domain |
| IPR040641 | E3 ubiquitin-protein ligase RNF31, PUB domain | Domain |
| IPR047540 | E3 ubiquitin-protein ligase RNF31-like, BRcat domain | Domain |
| IPR001876 | Zinc finger, RanBP2-type | Domain |
| IPR041031 | RNF31, C-terminal | Domain |
| IPR044066 | TRIAD supradomain | Domain |
| IPR047557 | Heme-oxidized IRP2 ubiquitin ligase 1, Rcat domain | Domain |
| IPR051628 | Linear Ubiquitination-Associated E3 Ligases | Family |
| IPR057468 | HOIL-1/Sharpin, LUBAC thetering domain | Domain |
| IPR036443 | Zinc finger, RanBP2-type superfamily | Homologous Superfamily |
| IPR017907 | Zinc finger, RING-type, conserved site | Conserved Site |
| IPR000626 | Ubiquitin-like domain | Domain |
| IPR027370 | Zinc finger, RING-type, eukaryotic | Domain |
| IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| IPR047558 | Heme-oxidized IRP2 ubiquitin ligase 1, BRcat domain | Domain |
| IPR029071 | Ubiquitin-like domain superfamily | Homologous Superfamily |
| IPR001876 | Zinc finger, RanBP2-type | Domain |
| IPR001841 | Zinc finger, RING-type | Domain |
| IPR047559 | Heme-oxidized IRP2 ubiquitin ligase 1, modified RING finger, HC subclass | Domain |