| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y0U2 | Uncharacterized protein; | Sp-Fam55c_1; | NULL | 513 | sea-urchin |
| W4XN25 | Uncharacterized protein; | Sp-Surreal/Gpcr1; | NULL | 346 | sea-urchin |
| W4XKX2 | Uncharacterized protein; | Sp-Cdc73; | NULL | 487 | sea-urchin |
| W4XZ13 | Uncharacterized protein; | Sp-C1orf77L; | NULL | 313 | sea-urchin |
| W4YFL0 | Uncharacterized protein; | Sp-Hypp_757; | NULL | 730 | sea-urchin |
| W4XQG0 | Uncharacterized protein; | Sp-Hypp_459; | NULL | 639 | sea-urchin |
| W4YA53 | Uncharacterized protein; | Sp-Emaps; | NULL | 375 | sea-urchin |
| W4YJT4 | Uncharacterized protein; Fragment; | Sp-Nsdhl_1; | NULL | 140 | sea-urchin |
| W4YPP1 | Uncharacterized protein; | NULL | NULL | 299 | sea-urchin |
| W4YL32 | Uncharacterized protein; | NULL | NULL | 260 | sea-urchin |
| W4Y3W0 | Uncharacterized protein; | Sp-Hypp_1914; | NULL | 489 | sea-urchin |
| W4Y962 | Uncharacterized protein; | Sp-Rbck1; | NULL | 743 | sea-urchin |
| W4YRR5 | Uncharacterized protein; | Sp-Als2_1; | NULL | 874 | sea-urchin |
| W4YTP7 | Uncharacterized protein; | Sp-Hypp_149; | NULL | 1198 | sea-urchin |
| W4YUC0 | Uncharacterized protein; | Sp-Nvll_1; | NULL | 777 | sea-urchin |
| W4YVW2 | Uncharacterized protein; | NULL | NULL | 23 | sea-urchin |
| W4Y939 | Uncharacterized protein; | Sp-Hox2; | NULL | 300 | sea-urchin |
| W4YSX8 | Uncharacterized protein; | NULL | NULL | 254 | sea-urchin |
| W4YXN7 | Uncharacterized protein; | Sp-Ndufv1L; | NULL | 1363 | sea-urchin |
| W4YZM1 | Uncharacterized protein; | NULL | NULL | 90 | sea-urchin |
