| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR034642 | Proteasome subunit alpha6 | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR032501 | Proteasomal ATPase, second OB domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR032501 | Proteasomal ATPase, second OB domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR032501 | Proteasomal ATPase, second OB domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR032501 | Proteasomal ATPase, second OB domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| Z [auth g] | IPR017937 | Thioredoxin, conserved site | Conserved Site |
| Z [auth g] | IPR008979 | Galactose-binding-like domain superfamily | Homologous Superfamily |
| Z [auth g] | IPR013766 | Thioredoxin domain | Domain |
| Z [auth g] | IPR037047 | PITH domain superfamily | Homologous Superfamily |
| Z [auth g] | IPR036249 | Thioredoxin-like superfamily | Homologous Superfamily |
| Z [auth g] | IPR010400 | PITH domain | Domain |
| Y [auth f] | IPR041433 | 26S proteasome non-ATPase regulatory subunit RPN1, C-terminal | Domain |
| Y [auth f] | IPR016024 | Armadillo-type fold | Homologous Superfamily |
| Y [auth f] | IPR002015 | Proteasome/cyclosome repeat | Repeat |
| Y [auth f] | IPR016643 | 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit | Family |
| Y [auth f] | IPR011989 | Armadillo-like helical | Homologous Superfamily |
| Y [auth f] | IPR040892 | RPN1, N-terminal | Domain |
| X [auth e] | IPR007834 | DSS1/SEM1 | Family |
| W [auth d] | IPR006746 | 26S proteasome non-ATPase regulatory subunit Rpn12 | Family |
| W [auth d] | IPR033464 | CSN8/PSMD8/EIF3K | Domain |
| W [auth d] | IPR000717 | Proteasome component (PCI) domain | Domain |
| V [auth c] | IPR056263 | 26S proteasome regulatory subunit RPN11, C-terminal domain | Domain |
| V [auth c] | IPR050242 | JAMM/MPN+ metalloenzymes, peptidase M67A | Family |
| V [auth c] | IPR037518 | MPN domain | Domain |
| V [auth c] | IPR000555 | JAB1/MPN/MOV34 metalloenzyme domain | Domain |
| U [auth b] | IPR036465 | von Willebrand factor A-like domain superfamily | Homologous Superfamily |
| U [auth b] | IPR027040 | 26S proteasome non-ATPase regulatory subunit 4 | Family |
| U [auth b] | IPR002035 | von Willebrand factor, type A | Domain |
| U [auth b] | IPR003903 | Ubiquitin interacting motif | Conserved Site |
| U [auth b] | IPR049590 | PSMD4, RAZUL domain | Domain |
| T [auth a] | IPR054179 | PSD13, N-terminal | Domain |
| T [auth a] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| T [auth a] | IPR035298 | 26S Proteasome non-ATPase regulatory subunit 13 | Family |
| T [auth a] | IPR000717 | Proteasome component (PCI) domain | Domain |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR032501 | Proteasomal ATPase, second OB domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |
| S [auth Z] | IPR033858 | 26S Proteasome non-ATPase regulatory subunit 7/8 | Family |
| S [auth Z] | IPR024969 | EIF3F/CSN6-like, C-terminal | Domain |
| S [auth Z] | IPR037518 | MPN domain | Domain |
| S [auth Z] | IPR000555 | JAB1/MPN/MOV34 metalloenzyme domain | Domain |
| R [auth Y] | IPR011990 | Tetratricopeptide-like helical domain superfamily | Homologous Superfamily |
| R [auth Y] | IPR019585 | 26S proteasome regulatory subunit Rpn7/COP9 signalosome complex subunit 1 | Family |
| R [auth Y] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| R [auth Y] | IPR049549 | 26S proteasome regulatory subunit RPN7/PSMD6, C-terminal helix | Domain |
| R [auth Y] | IPR000717 | Proteasome component (PCI) domain | Domain |
| R [auth Y] | IPR045135 | 26S proteasome regulatory subunit Rpn7, N-terminal | Domain |
| Q [auth X] | IPR050871 | 26S Proteasome and COP9 Signalosome Components | Family |
| Q [auth X] | IPR011990 | Tetratricopeptide-like helical domain superfamily | Homologous Superfamily |
| Q [auth X] | IPR040780 | 6S proteasome subunit Rpn6, C-terminal helix domain | Domain |
| Q [auth X] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| Q [auth X] | IPR040773 | 26S proteasome regulatory subunit Rpn6, N-terminal | Domain |
| Q [auth X] | IPR000717 | Proteasome component (PCI) domain | Domain |
| P [auth W] | IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily |
| P [auth W] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| P [auth W] | IPR000717 | Proteasome component (PCI) domain | Domain |
| P [auth W] | IPR040896 | 26S proteasome regulatory subunit RPN5, C-terminal domain | Domain |
| P [auth W] | IPR040134 | 26S Proteasome non-ATPase regulatory subunit 12/COP9 signalosome complex subunit 4 | Family |
| P [auth W] | IPR054559 | PSMD12/CSN4-like, N-terminal | Domain |
| O [auth V] | IPR013586 | 26S proteasome non-ATPase regulatory subunit 3, C-terminal | Domain |
| O [auth V] | IPR011990 | Tetratricopeptide-like helical domain superfamily | Homologous Superfamily |
| O [auth V] | IPR057985 | 26S proteasome non-ATPase regulatory subunit 3, N-terminal TPR repeats | Domain |
| O [auth V] | IPR050756 | COP9 signalosome complex subunit 3 | Family |
| O [auth V] | IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily |
| O [auth V] | IPR000717 | Proteasome component (PCI) domain | Domain |
| N [auth U] | IPR040623 | 26S proteasome regulatory subunit RPN2, C-terminal | Domain |
| N [auth U] | IPR016024 | Armadillo-type fold | Homologous Superfamily |
| N [auth U] | IPR002015 | Proteasome/cyclosome repeat | Repeat |
| N [auth U] | IPR011989 | Armadillo-like helical | Homologous Superfamily |
| N [auth U] | IPR048570 | 26S proteasome non-ATPase regulatory subunit 1/RPN2, N-terminal domain | Domain |
| N [auth U] | IPR016642 | 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn2/Psmd1 subunit | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR035144 | Proteasome subunit alpha 1 | Family |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR033812 | Proteasome subunit alpha5 | Family |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| IPR050115 | Proteasome_alpha | Unknown |
| IPR023332 | Proteasome alpha-type subunit | Family |
| IPR001353 | Proteasome, subunit alpha/beta | Family |
| IPR050221 | 26S Proteasome Regulatory ATPase | Family |
| IPR003593 | AAA+ ATPase domain | Domain |
| IPR003959 | ATPase, AAA-type, core | Domain |
| IPR027417 | P-loop containing nucleoside triphosphate hydrolase | Homologous Superfamily |
| IPR048723 | 26S proteasome regulatory subunit 7-like, OB domain | Domain |
| IPR041569 | AAA ATPase, AAA+ lid domain | Domain |
| IPR003960 | ATPase, AAA-type, conserved site | Conserved Site |
| IPR012340 | Nucleic acid-binding, OB-fold | Homologous Superfamily |