| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XTS7 | Histone H2A; | Sp-Unk_10; | NULL | 193 | sea-urchin |
| W4ZB51 | Uncharacterized protein; | Sp-Galnt7_3; | NULL | 346 | sea-urchin |
| W4ZHW3 | Uncharacterized protein; | Sp-Rdh3; | NULL | 224 | sea-urchin |
| W4XTA9 | Uncharacterized protein; | NULL | NULL | 207 | sea-urchin |
| W4XU50 | Uncharacterized protein; | NULL | NULL | 223 | sea-urchin |
| W4XWS6 | Uncharacterized protein; | Sp-Hypp_528; | NULL | 630 | sea-urchin |
| W4XU65 | Uncharacterized protein; | Sp-Ars_2; | NULL | 502 | sea-urchin |
| W4XN53 | Uncharacterized protein; | NULL | NULL | 219 | sea-urchin |
| W4XEF1 | Uncharacterized protein; | NULL | NULL | 154 | sea-urchin |
| W4ZIK9 | Uncharacterized protein; Fragment; | Sp-Hypp_2929; | NULL | 545 | sea-urchin |
| W4XUY6 | Uncharacterized protein; | Sp-Ged; | XP_003727405.1; | 465 | sea-urchin |
| W4Y0J6 | Uncharacterized protein; | Sp-Ags; | NULL | 658 | sea-urchin |
| W4ZIA4 | Uncharacterized protein; | Sp-Z288; | NULL | 1322 | sea-urchin |
| W4XW97 | Uncharacterized protein; | NULL | NULL | 98 | sea-urchin |
| W4XY06 | Uncharacterized protein; | Sp-Adcy2_1; | NULL | 353 | sea-urchin |
| W4Y5Z8 | Uncharacterized protein; Fragment; | Sp-Srcr100; | NULL | 586 | sea-urchin |
| W4XY82 | Uncharacterized protein; Fragment; | Sp-Slc29a4; | NULL | 210 | sea-urchin |
| W4XUJ9 | Uncharacterized protein; | NULL | NULL | 175 | sea-urchin |
| W4Y0N5 | Uncharacterized protein; | Sp-Phldb2; | NULL | 353 | sea-urchin |
| W4XUW9 | Uncharacterized protein; | Sp-Hephl1; | NULL | 416 | sea-urchin |
