| IPR009072 | Histone-fold | Homologous Superfamily |
| IPR002119 | Histone H2A | Family |
| IPR032454 | Histone H2A, C-terminal domain | Domain |
| IPR032458 | Histone H2A conserved site | Conserved Site |
| IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |
| K [auth N] | IPR043540 | E3 ubiquitin-protein ligase RING1/RING2 | Family |
| K [auth N] | IPR017907 | Zinc finger, RING-type, conserved site | Conserved Site |
| K [auth N] | IPR032443 | RAWUL domain | Domain |
| K [auth N] | IPR037937 | E3 ubiquitin-protein ligase RING2, RAWUL domain | Domain |
| K [auth N] | IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| K [auth N] | IPR001841 | Zinc finger, RING-type | Domain |
| L [auth P] | IPR016135 | Ubiquitin-conjugating enzyme/RWD-like | Homologous Superfamily |
| L [auth P] | IPR000608 | Ubiquitin-conjugating (UBC), catalytic core domain | Domain |
| L [auth P] | IPR023313 | Ubiquitin-conjugating enzyme, active site | Active Site |
| N [auth R] | IPR019954 | Ubiquitin conserved site | Conserved Site |
| N [auth R] | IPR038582 | Small ribosomal subunit protein eS31 eukaryotic superfamily | Homologous Superfamily |
| N [auth R] | IPR050158 | Ubiquitin and ubiquitin-like | Family |
| N [auth R] | IPR011332 | Zinc-binding ribosomal protein | Homologous Superfamily |
| N [auth R] | IPR000626 | Ubiquitin-like domain | Domain |
| N [auth R] | IPR002906 | Small ribosomal subunit protein eS31 | Domain |
| N [auth R] | IPR019956 | Ubiquitin domain | Domain |
| N [auth R] | IPR029071 | Ubiquitin-like domain superfamily | Homologous Superfamily |
| M [auth O] | IPR019954 | Ubiquitin conserved site | Conserved Site |
| M [auth O] | IPR050158 | Ubiquitin and ubiquitin-like | Family |
| M [auth O] | IPR000626 | Ubiquitin-like domain | Domain |
| M [auth O] | IPR019956 | Ubiquitin domain | Domain |
| M [auth O] | IPR029071 | Ubiquitin-like domain superfamily | Homologous Superfamily |
| IPR009072 | Histone-fold | Homologous Superfamily |
| IPR055333 | Histone H2B, conserved site | Conserved Site |
| IPR000558 | Histone H2B | Family |
| IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |
| IPR009072 | Histone-fold | Homologous Superfamily |
| IPR001951 | Histone H4 | Family |
| IPR035425 | CENP-T/Histone H4, histone fold | Domain |
| IPR019809 | Histone H4, conserved site | Conserved Site |
| IPR004823 | TATA box binding protein associated factor (TAF), histone-like fold domain | Domain |
| O [auth M] | IPR017907 | Zinc finger, RING-type, conserved site | Conserved Site |
| O [auth M] | IPR032443 | RAWUL domain | Domain |
| O [auth M] | IPR013083 | Zinc finger, RING/FYVE/PHD-type | Homologous Superfamily |
| O [auth M] | IPR001841 | Zinc finger, RING-type | Domain |
| IPR009072 | Histone-fold | Homologous Superfamily |
| IPR000164 | Histone H3/CENP-A | Family |
| IPR007125 | Core Histone H2A/H2B/H3 domain | Domain |