| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XWJ5 | Uncharacterized protein; Fragment; | NULL | NULL | 94 | sea-urchin |
| W4Y044 | Purine nucleoside phosphorylase; PNP; EC 2.4.2.1; | Sp-Mtap; | NULL | 244 | sea-urchin |
| W4YCV3 | Uncharacterized protein; | Sp-C9orf114; | NULL | 557 | sea-urchin |
| W4Y0F5 | Uncharacterized protein; | NULL | NULL | 115 | sea-urchin |
| W4Y8X0 | Uncharacterized protein; | Sp-Hypp_673; | NULL | 911 | sea-urchin |
| W4YEE3 | Uncharacterized protein; | Sp-Hypp_2129; | NULL | 455 | sea-urchin |
| W4YES1 | Uncharacterized protein; | NULL | NULL | 184 | sea-urchin |
| W4Y0Q9 | Uncharacterized protein; Fragment; | Sp-Gdh1; | NULL | 57 | sea-urchin |
| W4XUX0 | Uncharacterized protein; | NULL | NULL | 81 | sea-urchin |
| W4Y884 | Uncharacterized protein; | NULL | NULL | 101 | sea-urchin |
| W4YEF3 | Uncharacterized protein; | NULL | NULL | 115 | sea-urchin |
| W4ZBF2 | Uncharacterized protein; | NULL | NULL | 216 | sea-urchin |
| W4YFM8 | Uncharacterized protein; | Sp-Stom_1; | NULL | 282 | sea-urchin |
| W4YD49 | Uncharacterized protein; | NULL | NULL | 236 | sea-urchin |
| W4YHZ3 | Uncharacterized protein; | NULL | NULL | 225 | sea-urchin |
| W4YMX9 | Uncharacterized protein; | Sp-Shank2; | NULL | 787 | sea-urchin |
| W4YMY2 | Uncharacterized protein; | Sp-Galnact2; | NULL | 522 | sea-urchin |
| W4YPI3 | Uncharacterized protein; | NULL | NULL | 53 | sea-urchin |
| W4XVE3 | Uncharacterized protein; | Sp-Chrm3L_1; | XP_798518.1; | 404 | sea-urchin |
| W4YI61 | Uncharacterized protein; | NULL | NULL | 126 | sea-urchin |
