| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XRK0 | Uncharacterized protein; | NULL | XP_788533.3; | 132 | sea-urchin |
| W4XCP2 | Uncharacterized protein; | NULL | NULL | 55 | sea-urchin |
| B0R1W7 | Huntingtin; Fragment; | hd; | NULL | 258 | sea-urchin |
| W4XGI8 | Histone H2A; | Sp-EhH2a_10; | NULL | 492 | sea-urchin |
| W4YYG5 | Uncharacterized protein; | Sp-Hypp_2526; | NULL | 445 | sea-urchin |
| W4YCW5 | Uncharacterized protein; | NULL | NULL | 212 | sea-urchin |
| W4YQV6 | Uncharacterized protein; | Sp-Mosc2; | XP_786287.2; | 328 | sea-urchin |
| W4YTH0 | Uncharacterized protein; Fragment; | NULL | NULL | 102 | sea-urchin |
| W4Y5X8 | Uncharacterized protein; | Sp-Nxn_1; | XP_781174.1; | 148 | sea-urchin |
| W4Y031 | Uncharacterized protein; | Sp-Z316; | NULL | 419 | sea-urchin |
| W4YL46 | Uncharacterized protein; | Sp-Sept3; | NULL | 325 | sea-urchin |
| W4XNG6 | Uncharacterized protein; | NULL | NULL | 225 | sea-urchin |
| W4XZI1 | Uncharacterized protein; | Sp-Mrps31L; | NULL | 410 | sea-urchin |
| W4YU12 | Uncharacterized protein; | Sp-Bin3; | NULL | 76 | sea-urchin |
| W4Z0U4 | Histone H2B; | Sp-EhH2b_71; | NULL | 123 | sea-urchin |
| W4YLW1 | Uncharacterized protein; | Sp-trnt1_1; | XP_784774.3; | 395 | sea-urchin |
| W4Y6L2 | Uncharacterized protein; Fragment; | NULL | NULL | 143 | sea-urchin |
| W4Z656 | Uncharacterized protein; | Sp-Dnttip2; | XP_791185.2; | 409 | sea-urchin |
| W4YHD1 | Uncharacterized protein; | Sp-PppL_200; | NULL | 641 | sea-urchin |
| W4YDN0 | Uncharacterized protein; Fragment; | Sp-Clect_105; | NULL | 258 | sea-urchin |
