| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XJJ6 | Uncharacterized protein; | Sp-Unc44_273; | NULL | 327 | sea-urchin |
| W4XKH9 | Uncharacterized protein; | Sp-Yipf5; | NULL | 247 | sea-urchin |
| W4XBS1 | Uncharacterized protein; | Sp-Slcoa4a1; | NULL | 570 | sea-urchin |
| W4XKP5 | Uncharacterized protein; | Sp-Kcnk5_2; | NULL | 386 | sea-urchin |
| W4XBA4 | Microtubule-associated protein; | Sp-Taui1ph2; | NULL | 187 | sea-urchin |
| W4XFP4 | Uncharacterized protein; | Sp-PaldL; | XP_781355.1; | 343 | sea-urchin |
| W4XR61 | Uncharacterized protein; | NULL | NULL | 177 | sea-urchin |
| W4XNF8 | Uncharacterized protein; | NULL | XP_781225.1; | 294 | sea-urchin |
| W4XPX1 | Uncharacterized protein; | Sp-Bpi; | NULL | 505 | sea-urchin |
| W4Z498 | Uncharacterized protein; | NULL | NULL | 270 | sea-urchin |
| W4XJQ6 | Uncharacterized protein; | Sp-Mcm9; | NULL | 1220 | sea-urchin |
| W4XV99 | Uncharacterized protein; | Sp-Hypp_1716; | NULL | 336 | sea-urchin |
| W4XZZ9 | Uncharacterized protein; | Sp-AsmtL; | NULL | 207 | sea-urchin |
| W4ZCM1 | Uncharacterized protein; | Sp-Tmem183a; | NULL | 361 | sea-urchin |
| W4Y0A6 | Uncharacterized protein; Fragment; | NULL | NULL | 77 | sea-urchin |
| W4Y5T5 | Uncharacterized protein; | NULL | NULL | 71 | sea-urchin |
| W4XCA6 | Uncharacterized protein; | NULL | NULL | 154 | sea-urchin |
| W4Y532 | Transporter; | NULL | NULL | 236 | sea-urchin |
| W4XR90 | Uncharacterized protein; | NULL | NULL | 164 | sea-urchin |
| W4XXM0 | Cyclin-dependent kinases regulatory subunit; | Sp-Cks1B_1; | XP_003729586.1; | 78 | sea-urchin |
