| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XMS4 | Uncharacterized protein; | NULL | NULL | 282 | sea-urchin |
| W4YP57 | Uncharacterized protein; | Sp-C12orf63L; | NULL | 3079 | sea-urchin |
| W4YVY5 | Uncharacterized protein; | Sp-Unc44_141; | NULL | 2057 | sea-urchin |
| W4XN02 | Uncharacterized protein; | NULL | XP_003729644.1;XP_003729645.1;XP_780032.1; | 149 | sea-urchin |
| W4XMS2 | Uncharacterized protein; | Sp-Acnat2L; | XP_001176941.2; | 460 | sea-urchin |
| W4XGL2 | Uncharacterized protein; | Sp-Spast; | NULL | 548 | sea-urchin |
| W4XUC5 | Uncharacterized protein; | Sp-trim2-3; | NULL | 641 | sea-urchin |
| W4Z926 | Uncharacterized protein; Fragment; | NULL | NULL | 177 | sea-urchin |
| W4XN44 | Uncharacterized protein; Fragment; | NULL | NULL | 99 | sea-urchin |
| W4XN32 | Uncharacterized protein; | NULL | NULL | 241 | sea-urchin |
| W4XUF7 | Uncharacterized protein; | NULL | XP_800784.1; | 279 | sea-urchin |
| W4XN27 | Uncharacterized protein; | Sp-Z32; | NULL | 1049 | sea-urchin |
| W4XUG5 | Uncharacterized protein; | Sp-Dhyg_1; | NULL | 235 | sea-urchin |
| W4XF89 | Uncharacterized protein; | Sp-Hypp_1366; | NULL | 313 | sea-urchin |
| W4XUJ1 | Uncharacterized protein; Fragment; | NULL | NULL | 111 | sea-urchin |
| W4XF37 | Uncharacterized protein; | Sp-Btbd17L; | NULL | 505 | sea-urchin |
| W4XMV5 | Uncharacterized protein; | NULL | NULL | 162 | sea-urchin |
| W4Z8Z8 | Uncharacterized protein; | Sp-Aldh1l1_1; | NULL | 222 | sea-urchin |
| W4XMZ3 | Uncharacterized protein; | NULL | NULL | 170 | sea-urchin |
| W4XUI7 | Uncharacterized protein; | Sp-Obfc2a; | NULL | 212 | sea-urchin |
