| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4X9Y7 | Uncharacterized protein; | Sp-Rt2L; | XP_794642.1; | 298 | sea-urchin |
| W4XGF9 | Uncharacterized protein; | Sp-Unk_42; | NULL | 587 | sea-urchin |
| W4YJC0 | Uncharacterized protein; | Sp-Htatsf1L_2; | NULL | 169 | sea-urchin |
| W4XYU9 | Uncharacterized protein; | NULL | NULL | 117 | sea-urchin |
| W4XVT3 | Uncharacterized protein; | Sp-Hypp_520; | NULL | 933 | sea-urchin |
| W4YAD4 | Uncharacterized protein; | Sp-Cnot1_2; | NULL | 90 | sea-urchin |
| W4YRF0 | Uncharacterized protein; | Sp-Gr; | XP_790091.1; | 327 | sea-urchin |
| W4XEE8 | Uncharacterized protein; | Sp-Hypp_338; | NULL | 833 | sea-urchin |
| W4ZAV7 | Uncharacterized protein; Fragment; | Sp-C6orf32L; | NULL | 377 | sea-urchin |
| W4XCS3 | Uncharacterized protein; | Sp-Sp2mpL; | NULL | 468 | sea-urchin |
| W4XIN1 | Uncharacterized protein; | Sp-Kakapo; | NULL | 168 | sea-urchin |
| W4YJB3 | Uncharacterized protein; | Sp-Rsad1; | NULL | 461 | sea-urchin |
| W4XIJ1 | Uncharacterized protein; Fragment; | Sp-Dync1h1; | NULL | 1947 | sea-urchin |
| W4XVY5 | Uncharacterized protein; | NULL | NULL | 126 | sea-urchin |
| W4XDV0 | Uncharacterized protein; | Sp-Hypp_1336; | NULL | 310 | sea-urchin |
| W4XDI4 | Uncharacterized protein; Fragment; | Sp-Polr2c; | NULL | 247 | sea-urchin |
| W4XLB6 | Uncharacterized protein; | Sp-Sec22_2; | XP_796488.1; | 328 | sea-urchin |
| W4XJ71 | Uncharacterized protein; | NULL | NULL | 159 | sea-urchin |
| W4XLI3 | Uncharacterized protein; | NULL | XP_003726753.1; | 101 | sea-urchin |
| W4XD53 | Uncharacterized protein; | Sp-Taf12; | NULL | 381 | sea-urchin |
