| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y0K0 | Uncharacterized protein; | Sp-Clect/Egf_1; | NULL | 620 | sea-urchin |
| W4ZE78 | Uncharacterized protein; | Sp-CysKL; | NULL | 327 | sea-urchin |
| W4XS07 | Uncharacterized protein; | NULL | NULL | 189 | sea-urchin |
| W4Z8G6 | Uncharacterized protein; | Sp-Sirpb/GL1; | XP_003725396.1; | 435 | sea-urchin |
| W4XDK2 | Uncharacterized protein; | Sp-Med2; | NULL | 807 | sea-urchin |
| W4XEC1 | Uncharacterized protein; | NULL | NULL | 108 | sea-urchin |
| W4X9Q8 | Uncharacterized protein; | Sp-Snrk; | NULL | 201 | sea-urchin |
| W4XM35 | Uncharacterized protein; | Sp-Zadh1; | NULL | 364 | sea-urchin |
| W4XJ82 | Uncharacterized protein; | NULL | NULL | 214 | sea-urchin |
| W4XMB3 | Uncharacterized protein; | Sp-Fubp1; | NULL | 696 | sea-urchin |
| W4XCC2 | Uncharacterized protein; Fragment; | Sp-Clect/Egf/Tm_1; | NULL | 793 | sea-urchin |
| W4XR33 | Uncharacterized protein; | Sp-CspeN5; | XP_003726461.1; | 547 | sea-urchin |
| W4XSG3 | Uncharacterized protein; | Sp-Hrh4L_1; | NULL | 379 | sea-urchin |
| W4XPY6 | Uncharacterized protein; Fragment; | Sp-Sstr5L; | NULL | 379 | sea-urchin |
| W4XLK9 | Uncharacterized protein; | Sp-Hypp_1510; | NULL | 464 | sea-urchin |
| W4Z0U0 | Uncharacterized protein; | Sp-Admp; | XP_003731282.1; | 299 | sea-urchin |
| W4XQA0 | Uncharacterized protein; | NULL | NULL | 236 | sea-urchin |
| W4ZKX2 | Uncharacterized protein; | NULL | NULL | 186 | sea-urchin |
| W4Y1X3 | Uncharacterized protein; | NULL | NULL | 247 | sea-urchin |
| W4XRW6 | Uncharacterized protein; | NULL | NULL | 188 | sea-urchin |
