| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XVJ2 | Uncharacterized protein; | NULL | NULL | 207 | sea-urchin |
| W4XU87 | Uncharacterized protein; | Sp-Rbm19_1; | XP_003728404.1; | 384 | sea-urchin |
| W4XM34 | Uncharacterized protein; | Sp-Shroom4L; | NULL | 1713 | sea-urchin |
| W4Y1H1 | Uncharacterized protein; | Sp-Hypp_1855; | NULL | 594 | sea-urchin |
| W4XWA4 | Uncharacterized protein; | NULL | XP_003731324.1; | 183 | sea-urchin |
| W4ZD26 | Uncharacterized protein; | Sp-Ccdc76; | NULL | 577 | sea-urchin |
| W4XW69 | Uncharacterized protein; | Sp-Oxidrd; | NULL | 495 | sea-urchin |
| W4XME6 | Uncharacterized protein; | Sp-Adora2aL_2; | NULL | 319 | sea-urchin |
| W4Y2P0 | Uncharacterized protein; | Sp-Hypp_1889; | NULL | 329 | sea-urchin |
| W4Y841 | Uncharacterized protein; | Sp-Hypp_2006; | NULL | 414 | sea-urchin |
| W4Y7V2 | Uncharacterized protein; | Sp-Arrdc4; | NULL | 558 | sea-urchin |
| W4XWT0 | Uncharacterized protein; | NULL | NULL | 184 | sea-urchin |
| W4XUR7 | Uncharacterized protein; | NULL | NULL | 184 | sea-urchin |
| W4YEG8 | Uncharacterized protein; | Sp-Hypp-2132; | NULL | 301 | sea-urchin |
| W4Y912 | Uncharacterized protein; | Sp-Unc44_227; | NULL | 836 | sea-urchin |
| W4Y9U2 | Uncharacterized protein; | Sp-Dkk3; | XP_800228.1; | 225 | sea-urchin |
| W4Y8R6 | Uncharacterized protein; | NULL | NULL | 226 | sea-urchin |
| W4Y8J3 | Uncharacterized protein; | NULL | NULL | 275 | sea-urchin |
| W4YFD4 | Uncharacterized protein; | Sp-LrpL; | NULL | 585 | sea-urchin |
| W4ZG60 | Uncharacterized protein; | Sp-Brp44lL; | NULL | 328 | sea-urchin |
