| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XU52 | Uncharacterized protein; | Sp-Dhyg; | NULL | 295 | sea-urchin |
| W4XTD5 | Uncharacterized protein; | Sp-Mipol1L; | NULL | 799 | sea-urchin |
| W4XYK6 | Uncharacterized protein; | Sp-Hypp_1790; | NULL | 481 | sea-urchin |
| W4XFA3 | Uncharacterized protein; | Sp-EhH1_4; | NULL | 151 | sea-urchin |
| W4XS26 | Uncharacterized protein; | NULL | NULL | 267 | sea-urchin |
| W4ZC86 | Uncharacterized protein; | Sp-Calseq; | NULL | 401 | sea-urchin |
| W4XKV5 | Uncharacterized protein; | Sp-Fam151b; | NULL | 297 | sea-urchin |
| W4Y6W1 | Uncharacterized protein; | Sp-Ccdc57; | NULL | 411 | sea-urchin |
| W4XK95 | Uncharacterized protein; | NULL | NULL | 152 | sea-urchin |
| W4YEL5 | Uncharacterized protein; | NULL | NULL | 79 | sea-urchin |
| W4YE76 | Uncharacterized protein; | Sp-Birc2b; | NULL | 494 | sea-urchin |
| W4Y8J9 | Uncharacterized protein; | Sp-Unc44L_79; | NULL | 1355 | sea-urchin |
| W4YFN4 | Uncharacterized protein; | NULL | NULL | 205 | sea-urchin |
| W4YFA0 | Uncharacterized protein; | NULL | XP_003731139.1; | 160 | sea-urchin |
| W4YHQ1 | Uncharacterized protein; | NULL | NULL | 270 | sea-urchin |
| W4YS92 | Uncharacterized protein; | NULL | NULL | 116 | sea-urchin |
| W4Y813 | Uncharacterized protein; | Sp-Gigyf2; | NULL | 378 | sea-urchin |
| W4YHU3 | Uncharacterized protein; | Sp-Aqrh; | NULL | 1410 | sea-urchin |
| W4YD12 | Uncharacterized protein; | Sp-Hypp_726; | NULL | 631 | sea-urchin |
| W4YA93 | Uncharacterized protein; | Sp-Cryz_2; | NULL | 284 | sea-urchin |
