| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YKQ2 | Uncharacterized protein; | Sp-Gal3st1L_1; | NULL | 384 | sea-urchin |
| W4XJ01 | Uncharacterized protein; | Sp-MucL_1; | NULL | 606 | sea-urchin |
| W4XPQ5 | Uncharacterized protein; | Sp-AapL; | NULL | 453 | sea-urchin |
| W4YRE8 | Uncharacterized protein; | Sp-Hunt(Cterminal); | NULL | 968 | sea-urchin |
| W4XPZ2 | Uncharacterized protein; | Sp-Hypp_1583; | NULL | 411 | sea-urchin |
| W4YS07 | Uncharacterized protein; | NULL | NULL | 191 | sea-urchin |
| W4YTH2 | Uncharacterized protein; | Sp-Htr1bL_6; | NULL | 411 | sea-urchin |
| W4YB39 | Uncharacterized protein; | Sp-Hypp_2061; | NULL | 433 | sea-urchin |
| W4YUB5 | Uncharacterized protein; | Sp-Hypp_2438; | NULL | 342 | sea-urchin |
| W4YAY7 | Uncharacterized protein; | NULL | NULL | 213 | sea-urchin |
| W4YMZ6 | Uncharacterized protein; | Sp-Dnah9L; | NULL | 1750 | sea-urchin |
| W4XW19 | Uncharacterized protein; | Sp-Hypp_1737; | NULL | 341 | sea-urchin |
| W4Z0R6 | Uncharacterized protein; | Sp-Uba1; | XP_795302.2; | 1054 | sea-urchin |
| W4YRP1 | Uncharacterized protein; | NULL | XP_800378.1; | 186 | sea-urchin |
| W4YXN6 | Uncharacterized protein; | Sp-Ptprlec3; | NULL | 1470 | sea-urchin |
| W4YT35 | Uncharacterized protein; | Sp-C4mso; | NULL | 378 | sea-urchin |
| W4Z0S6 | Uncharacterized protein; | Sp-Pitpnm; | NULL | 231 | sea-urchin |
| W4YBD5 | Uncharacterized protein; | NULL | XP_787210.1; | 193 | sea-urchin |
| W4YXU7 | Uncharacterized protein; | NULL | NULL | 125 | sea-urchin |
| W4Z5L2 | Uncharacterized protein; | Sp-EhH1_29; | NULL | 115 | sea-urchin |
