| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZBW1 | Uncharacterized protein; | NULL | NULL | 92 | sea-urchin |
| W4ZA05 | Uncharacterized protein; | NULL | NULL | 178 | sea-urchin |
| W4Z3I5 | Uncharacterized protein; | Sp-Drd1_1; | NULL | 461 | sea-urchin |
| W4YHA6 | Uncharacterized protein; | NULL | NULL | 251 | sea-urchin |
| W4ZHA6 | Uncharacterized protein; | Sp-Hox3; | NULL | 242 | sea-urchin |
| W4Z587 | Uncharacterized protein; | NULL | NULL | 264 | sea-urchin |
| W4Y6Y9 | Uncharacterized protein; | NULL | NULL | 262 | sea-urchin |
| W4ZK67 | Uncharacterized protein; | Sp-Psph; | NULL | 92 | sea-urchin |
| W4Z9Q3 | Uncharacterized protein; | Sp-Unc44_254; | NULL | 664 | sea-urchin |
| W4XCT5 | Uncharacterized protein; | NULL | NULL | 189 | sea-urchin |
| W4ZAS0 | Uncharacterized protein; | Sp-Ccdc149; | NULL | 964 | sea-urchin |
| W4ZL71 | Uncharacterized protein; | Sp-Hypp_2977; | NULL | 380 | sea-urchin |
| W4XF08 | Uncharacterized protein; | NULL | NULL | 133 | sea-urchin |
| W4XG41 | Histone H2B; | Sp-EhH2b_12; | NULL | 93 | sea-urchin |
| W4ZI19 | Uncharacterized protein; | Sp-Aur; | NULL | 286 | sea-urchin |
| W4ZF67 | Uncharacterized protein; | Sp-Slc35f5; | XP_798986.1; | 489 | sea-urchin |
| W4ZJG1 | Uncharacterized protein; | NULL | NULL | 256 | sea-urchin |
| W4ZIC7 | Uncharacterized protein; | NULL | XP_003728954.1; | 109 | sea-urchin |
| W4X9G0 | Uncharacterized protein; | Sp-Hypp_1240; | NULL | 538 | sea-urchin |
| W4XM76 | Uncharacterized protein; | NULL | NULL | 211 | sea-urchin |
