| A [auth M] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| A [auth M] | IPR023333 | Proteasome B-type subunit | Family |
| A [auth M] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| A [auth M] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| B [auth A] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| B [auth A] | IPR034642 | Proteasome subunit alpha6 | Family |
| B [auth A] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| B [auth A] | IPR050115 | Proteasome subunit alpha | Family |
| B [auth A] | IPR023332 | Proteasome alpha-type subunit | Family |
| B [auth A] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| C [auth D] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| C [auth D] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| C [auth D] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| C [auth D] | IPR050115 | Proteasome subunit alpha | Family |
| C [auth D] | IPR023332 | Proteasome alpha-type subunit | Family |
| C [auth D] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| D [auth E] | IPR033812 | Proteasome subunit alpha5 | Family |
| D [auth E] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| D [auth E] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| D [auth E] | IPR050115 | Proteasome subunit alpha | Family |
| D [auth E] | IPR023332 | Proteasome alpha-type subunit | Family |
| D [auth E] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| E [auth F] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| E [auth F] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| E [auth F] | IPR050115 | Proteasome subunit alpha | Family |
| E [auth F] | IPR023332 | Proteasome alpha-type subunit | Family |
| E [auth F] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| F [auth H] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| F [auth H] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| F [auth H] | IPR023333 | Proteasome B-type subunit | Family |
| F [auth H] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| F [auth H] | IPR000243 | Peptidase T1A, proteasome beta-subunit | Family |
| G [auth 3] | IPR008012 | Proteasome maturation factor Ump1 | Family |
| H [auth 4] | IPR018855 | Proteasome chaperone 1, fungi | Family |
| H [auth 4] | IPR038605 | Proteasome chaperone 1 superfamily | Homologous Superfamily |
| I [auth 5] | IPR019151 | Proteasome assembly chaperone 2 | Family |
| I [auth 5] | IPR016562 | Proteasome assembly chaperone 2, eukaryotic | Family |
| I [auth 5] | IPR038389 | Proteasome assembly chaperone 2 superfamily | Homologous Superfamily |
| J [auth B] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| J [auth B] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| J [auth B] | IPR050115 | Proteasome subunit alpha | Family |
| J [auth B] | IPR023332 | Proteasome alpha-type subunit | Family |
| J [auth B] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| K [auth C] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| K [auth C] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| K [auth C] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| K [auth C] | IPR050115 | Proteasome subunit alpha | Family |
| K [auth C] | IPR023332 | Proteasome alpha-type subunit | Family |
| K [auth C] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| L [auth G] | IPR000426 | Proteasome alpha-subunit, N-terminal domain | Domain |
| L [auth G] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| L [auth G] | IPR050115 | Proteasome subunit alpha | Family |
| L [auth G] | IPR023332 | Proteasome alpha-type subunit | Family |
| L [auth G] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| M [auth I] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| M [auth I] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| M [auth I] | IPR024689 | Proteasome beta subunit, C-terminal | Domain |
| M [auth I] | IPR023333 | Proteasome B-type subunit | Family |
| M [auth I] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| M [auth I] | IPR000243 | Peptidase T1A, proteasome beta-subunit | Family |
| N [auth J] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| N [auth J] | IPR023333 | Proteasome B-type subunit | Family |
| N [auth J] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| N [auth J] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| N [auth J] | IPR033811 | Proteasome beta 3 subunit | Family |
| O [auth K] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| O [auth K] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| O [auth K] | IPR023333 | Proteasome B-type subunit | Family |
| O [auth K] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| O [auth K] | IPR035206 | Proteasome subunit beta 2 | Family |
| P [auth L] | IPR016050 | Proteasome beta-type subunit, conserved site | Conserved Site |
| P [auth L] | IPR029055 | Nucleophile aminohydrolases, N-terminal | Homologous Superfamily |
| P [auth L] | IPR023333 | Proteasome B-type subunit | Family |
| P [auth L] | IPR001353 | Proteasome, subunit alpha/beta | Family |
| P [auth L] | IPR000243 | Peptidase T1A, proteasome beta-subunit | Family |