| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| A1Z6W3 | Protein prickle; Protein spiny legs; | pk; | NP_724534.1;NP_724535.1;NP_724538.1; | 1299 | fruit fly |
| Q04499 | Proline dehydrogenase 1, mitochondrial; EC 1.5.5.2; Proline oxidase; Protein sluggish-A; | slgA; slg; | NP_001245791.1;NP_001245792.1;NP_001245793.1;NP_001245794.1;NP_001245795.1;NP_001245796.1;NP_523433.2;NP_728422.1;NP_728423.1;NP_728424.1;NP_728425.1;NP_996526.1;NP_996527.1;NP_996528.1; | 681 | fruit fly |
| P25843 | Profilin; Protein chickadee; | chic; chi; | NP_001245905.1;NP_001245906.1;NP_477016.1;NP_599131.1;NP_723136.1;NP_995635.1; | 126 | fruit fly |
| P82295 | Prominin-like protein; | NULL | NP_001261351.1;NP_647770.1;NP_728809.1;NP_728810.1; | 1013 | fruit fly |
| P29617 | Homeobox protein prospero; | pros; | NP_001247044.1;NP_001247045.1;NP_001247046.1;NP_524317.4;NP_731565.4;NP_788636.3; | 1703 | fruit fly |
| Q7KRW8 | Pre-mRNA-processing factor 39; PRP39 homolog; | NULL | NP_001097957.1;NP_001097958.1;NP_651634.1;NP_733256.2;NP_788753.1; | 1066 | fruit fly |
| P48601 | 26S protease regulatory subunit 4; P26s4; | Rpt2; P26s4 Pros26.4; | NP_001287493.1;NP_524469.2; | 439 | fruit fly |
| O18413 | 26S protease regulatory subunit 8; | Rpt6; DUG Pros45 Ug; | NP_608447.1; | 405 | fruit fly |
| P12881 | Proteasome subunit alpha type-1; EC 3.4.25.1; PROS-Dm35; Proteasome 35 kDa subunit; | Prosalpha6; PROS-35 Pros35; | NP_001285798.1;NP_523532.1; | 279 | fruit fly |
| P40301 | Proteasome subunit alpha type-2; EC 3.4.25.1; PROS-Dm25; Proteasome 25 kDa subunit; | Prosalpha2; PROS-25 Pros25; | NP_524328.1; | 234 | fruit fly |
| Q9V5C6 | Proteasome subunit alpha type-3; EC 3.4.25.1; 20S proteasome subunit alpha-7; | Prosalpha7; | NP_724834.1; | 253 | fruit fly |
| Q9VA12 | Proteasome subunit alpha type-4-like; EC 3.4.25.1; | Prosalpha3T; | NP_651843.1; | 251 | fruit fly |
| P18053 | Proteasome subunit alpha type-4; EC 3.4.25.1; PROS-Dm29; Proteasome 29 kDa subunit; | Prosalpha3; PROS-29 Pros29; | NP_476691.1; | 264 | fruit fly |
| Q95083 | Proteasome subunit alpha type-5; EC 3.4.25.1; | Prosalpha5; ProsMA5; | NP_477202.2;NP_725669.1; | 244 | fruit fly |
| Q9XZJ4 | Proteasome subunit alpha type-6; EC 3.4.25.1; 20S proteasome subunit alpha-1; | Prosalpha1; Prosalpha6; | NP_001163078.1;NP_524837.2;NP_724614.1;NP_724616.1; | 244 | fruit fly |
| P22769 | Proteasome subunit alpha type-7-1; EC 3.4.25.1; PROS-Dm28.1; Proteasome 28 kDa subunit 1; | Prosalpha4; PROS-28.1 Pros28.1; | NP_525092.1; | 249 | fruit fly |
| Q24178 | Proteasome subunit alpha type-7-1A; EC 3.4.25.1; Testis-specific alpha4-t1 proteasome subunit; Testis-specific proteasome 28 kDa subunit 1A; | Prosalpha4T1; Pros28.1A; | NP_650910.1; | 249 | fruit fly |
| Q27575 | Proteasome subunit alpha type-7-1B; EC 3.4.25.1; Testis-specific alpha4-t2 proteasome subunit; Testis-specific proteasome 28 kDa subunit 1B; | Prosalpha4T2; Pros28.1B; | NP_001286844.1;NP_611920.1; | 252 | fruit fly |
| P40304 | Proteasome subunit beta type-1; EC 3.4.25.1; Proteasome 26 kDa subunit; | Prosbeta6; l(3)73Ai PROS-26 Pros26; | NP_524115.1; | 235 | fruit fly |
| Q9VQE5 | Probable proteasome subunit beta type-2; EC 3.4.25.1; | Prosbeta4R2; | NP_001259950.1;NP_722823.2; | 210 | fruit fly |
