| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9SEI3 | 26S protease regulatory subunit 10B homolog A; 26S proteasome AAA-ATPase subunit RPT4a; 26S proteasome subunit 10B homolog A; Regulatory particle triple-A ATPase subunit 4a; | RPT4A; At5g43010; | NP_199115.1; | 399 | arabidopsis |
| Q9MAK9 | 26S protease regulatory subunit S10B homolog B; 26S proteasome AAA-ATPase subunit RPT4b; 26S proteasome subunit S10B homolog B; Regulatory particle triple-A ATPase subunit 4b; | RPT4B; At1g45000; | NP_175120.1; | 399 | arabidopsis |
| Q9FIB6 | 26S proteasome non-ATPase regulatory subunit 12 homolog A; 26S proteasome regulatory subunit RPN5a; AtRPN5a; 26S proteasome regulatory subunit p55 homolog A; Protein EMBRYO DEFECTIVE 2107; Protein MARIPOSA; | RPN5A; EMB2107 MSA; At5g09900; | NP_196552.1; | 442 | arabidopsis |
| Q8VWK0 | 26S proteasome non-ATPase regulatory subunit 12 homolog B; 26S proteasome regulatory subunit RPN5b; AtRPN5b; 26S proteasome regulatory subunit p55 homolog B; | RPN5B; At5g64760; | NP_568994.2; | 442 | arabidopsis |
| Q8RWF0 | 26S proteasome non-ATPase regulatory subunit 13 homolog A; 26S proteasome regulatory subunit RPN9a; AtRNP9a; 26S proteasome regulatory subunit S11 homolog A; | RPN9A; At5g45620; | NP_199375.2; | 386 | arabidopsis |
| Q8GYA6 | 26S proteasome non-ATPase regulatory subunit 13 homolog B; 26S proteasome regulatory subunit RPN9b; AtRNP9b; 26S proteasome regulatory subunit S11 homolog B; | RPN9B; At4g19006; | NP_680721.2; | 386 | arabidopsis |
| Q9SEI2 | 26S protease regulatory subunit 6A homolog A; 26S proteasome AAA-ATPase subunit RPT5a; Proteasome 26S subunit 6A homolog A; Regulatory particle triple-A ATPase subunit 5a; Tat-binding protein 1 homolog A; TBP-1 homolog A; | RPT5A; ATS6A.2 TBP1; At3g05530; | NP_187204.1; | 424 | arabidopsis |
| O04019 | 26S protease regulatory subunit 6A homolog B; 26S proteasome AAA-ATPase subunit RPT5b; Proteasome 26S subunit 6A homolog B; Regulatory particle triple-A ATPase subunit 5b; Tat-binding protein 1 homolog B; TBP-1 homolog B; | RPT5B; TBP1; At1g09100; | NP_172384.1; | 423 | arabidopsis |
| P34066 | Proteasome subunit alpha type-1-A; EC 3.4.25.1; 20S proteasome alpha subunit F-1; Proteasome 30 kDa subunit; Proteasome component 2A; AtPSM30; Proteasome subunit alpha type-6; Protein ARSENIC TOLERANCE 5; | PAF1; ARS5 PRC2A PRS1 PSM30; At5g42790; | NP_199093.1; | 278 | arabidopsis |
| O23712 | Proteasome subunit alpha type-1-B; EC 3.4.25.1; 20S proteasome alpha subunit F-2; Proteasome component 2B; Proteasome subunit alpha type-6; | PAF2; PRC2B PRS1; At1g47250; | NP_175158.1; | 277 | arabidopsis |
| O23708 | Proteasome subunit alpha type-2-A; EC 3.4.25.1; 20S proteasome alpha subunit B-1; Proteasome component 3; | PAB1; PRC3; At1g16470; | NP_001031057.1;NP_173096.1; | 235 | arabidopsis |
| Q8L4A7 | Proteasome subunit alpha type-2-B; EC 3.4.25.1; 20S proteasome alpha subunit B-2; | PAB2; At1g79210; | NP_001077845.1;NP_001077846.1;NP_178042.1; | 235 | arabidopsis |
| O23715 | Proteasome subunit alpha type-3; EC 3.4.25.1; 20S proteasome alpha subunit G-1; DiDi 17A-2a; Proteasome component 8; Proteasome subunit alpha type-7; | PAG1; PRC8; At2g27020; | NP_180270.1; | 249 | arabidopsis |
| O81148 | Proteasome subunit alpha type-4-A; EC 3.4.25.1; 20S proteasome alpha subunit C-1; Proteasome 27 kDa subunit; Proteasome component 9; Proteasome subunit alpha type-3; | PAC1; PRC9 PRS1; At3g22110; | NP_188850.1; | 250 | arabidopsis |
| F4JJE5 | Putative proteasome subunit alpha type-4-B; EC 3.4.25.1; 20S proteasome alpha subunit C-2; Proteasome subunit alpha type-3; | PAC2; At4g15165; | NP_001190735.1; | 208 | arabidopsis |
| O81149 | Proteasome subunit alpha type-5-A; EC 3.4.25.1; 20S proteasome alpha subunit E-1; | PAE1; At1g53850; | NP_001077717.1;NP_175788.1; | 237 | arabidopsis |
| Q42134 | Proteasome subunit alpha type-5-B; EC 3.4.25.1; 20S proteasome alpha subunit E-2; Proteasome component Z; | PAE2; PRCZ; At3g14290; | NP_188046.1; | 237 | arabidopsis |
| O81146 | Proteasome subunit alpha type-6-A; EC 3.4.25.1; 20S proteasome subunit alpha A-1; Proteasome component 1; Proteasome subunit alpha type-1; | PAA1; PRC1; At5g35590; | NP_198409.1; | 246 | arabidopsis |
| O81147 | Proteasome subunit alpha type-6-B; EC 3.4.25.1; 20S proteasome subunit alpha A-2; Proteasome subunit alpha type-1; | PAA2; At2g05840; | NP_178641.1; | 246 | arabidopsis |
| P30186 | Proteasome subunit alpha type-7-A; EC 3.4.25.1; 20S proteasome alpha subunit D-1; Proteasome component 6A; Proteasome subunit alpha type-4; TAS-G64; | PAD1; PRC6A; At3g51260; | NP_190694.1; | 250 | arabidopsis |
