| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XGJ3 | Uncharacterized protein; | Sp-Fbw2; | NULL | 473 | sea-urchin |
| W4XZ69 | Uncharacterized protein; Fragment; | NULL | NULL | 260 | sea-urchin |
| W4XB02 | Uncharacterized protein; | Sp-Vps41h; | NULL | 643 | sea-urchin |
| W4XQD8 | Uncharacterized protein; | NULL | NULL | 50 | sea-urchin |
| W4YKI4 | Uncharacterized protein; | NULL | NULL | 261 | sea-urchin |
| W4XPU7 | Uncharacterized protein; | Sp-HnrpcL_1; | XP_003729545.1; | 227 | sea-urchin |
| W4XYS5 | Uncharacterized protein; | Sp-Hypp_554; | NULL | 677 | sea-urchin |
| W4XNL5 | Uncharacterized protein; | Sp-Ttc17; | NULL | 1189 | sea-urchin |
| W4XIE4 | Uncharacterized protein; | NULL | NULL | 95 | sea-urchin |
| W4YKJ7 | Uncharacterized protein; | NULL | NULL | 220 | sea-urchin |
| W4YXN5 | Uncharacterized protein; | Sp-Lrp6L_1; | NULL | 426 | sea-urchin |
| W4Y5A3 | Uncharacterized protein; | NULL | NULL | 199 | sea-urchin |
| W4Y9U1 | Uncharacterized protein; Fragment; | Sp-Pald; | NULL | 404 | sea-urchin |
| W4YC01 | Uncharacterized protein; | Sp-Zmiz1; | NULL | 78 | sea-urchin |
| W4ZC17 | Uncharacterized protein; | Sp-Nbr1; | XP_791508.1; | 1109 | sea-urchin |
| W4XYQ2 | Uncharacterized protein; | Sp-PolypL_939; | NULL | 750 | sea-urchin |
| W4YY67 | Uncharacterized protein; | Sp-Zc3h18; | NULL | 881 | sea-urchin |
| W4Z418 | Uncharacterized protein; | Sp-Wdr25; | NULL | 546 | sea-urchin |
| W4XHU6 | Uncharacterized protein; | Sp-CalmL4; | XP_781860.1; | 153 | sea-urchin |
| W4ZI42 | Uncharacterized protein; Fragment; | NULL | NULL | 129 | sea-urchin |
