| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XEA2 | Uncharacterized protein; | NULL | NULL | 139 | sea-urchin |
| W4ZII5 | Uncharacterized protein; | Sp-Gagpol_2; | NULL | 390 | sea-urchin |
| W4YSB6 | Uncharacterized protein; | NULL | NULL | 260 | sea-urchin |
| W4YJT7 | Uncharacterized protein; | NULL | NULL | 216 | sea-urchin |
| W4XDI5 | Uncharacterized protein; | NULL | NULL | 144 | sea-urchin |
| W4XM99 | Uncharacterized protein; | Sp-Colf; | NULL | 192 | sea-urchin |
| W4XSI3 | Uncharacterized protein; | NULL | NULL | 90 | sea-urchin |
| W4XRN9 | Uncharacterized protein; | Sp-Clect/hyalin/Apple_1; | NULL | 582 | sea-urchin |
| W4XR92 | Uncharacterized protein; | Sp-Hypp_2983; | NULL | 381 | sea-urchin |
| W4ZB97 | Uncharacterized protein; | Sp-Hypp_1147; | NULL | 699 | sea-urchin |
| W4XLQ9 | Uncharacterized protein; | NULL | NULL | 255 | sea-urchin |
| W4Z480 | Uncharacterized protein; | Sp-Hypp_2638; | NULL | 402 | sea-urchin |
| W4XJW6 | Uncharacterized protein; | Sp-Usp34-2; | NULL | 784 | sea-urchin |
| W4XRT7 | Uncharacterized protein; | Sp-Unc44L_51; | NULL | 1234 | sea-urchin |
| W4XKT0 | Uncharacterized protein; | Sp-Fha; | NULL | 752 | sea-urchin |
| W4XTJ0 | Uncharacterized protein; | NULL | NULL | 70 | sea-urchin |
| W4XRT3 | Uncharacterized protein; | Sp-Svep1L_10; | NULL | 338 | sea-urchin |
| W4XTB5 | Uncharacterized protein; | Sp-Manba; | NULL | 1502 | sea-urchin |
| W4XMD9 | Uncharacterized protein; | NULL | NULL | 115 | sea-urchin |
| W4XSR8 | Uncharacterized protein; | Sp-Fanci; | NULL | 1244 | sea-urchin |
