| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z1L0 | Uncharacterized protein; | Sp-Nlr137; | NULL | 806 | sea-urchin |
| W4ZE18 | Uncharacterized protein; | Sp-Hypp_2839; | NULL | 443 | sea-urchin |
| W4Z886 | Uncharacterized protein; | Sp-Herc1_1; | NULL | 415 | sea-urchin |
| W4ZB48 | Uncharacterized protein; | NULL | NULL | 107 | sea-urchin |
| W4ZAP8 | Uncharacterized protein; | NULL | NULL | 95 | sea-urchin |
| W4Z4R2 | Uncharacterized protein; | Sp-Hypp_1073; | NULL | 634 | sea-urchin |
| W4YXJ8 | Uncharacterized protein; | Sp-Phyhd1; | NULL | 235 | sea-urchin |
| W4XR85 | Uncharacterized protein; | NULL | NULL | 559 | sea-urchin |
| W4YHB6 | Uncharacterized protein; | Sp-Hypp_2194; | XP_795502.1; | 372 | sea-urchin |
| W4ZIY1 | Uncharacterized protein; | Sp-Ac/Sc; | XP_003729788.1; | 185 | sea-urchin |
| W4ZIE8 | Uncharacterized protein; | Sp-Fut8_3; | NULL | 386 | sea-urchin |
| W4ZCF4 | Uncharacterized protein; | Sp-Snx14; | NULL | 430 | sea-urchin |
| W4ZHT8 | Histone H3; | Sp-EhH3_56; | NULL | 136 | sea-urchin |
| W4XCK5 | Uncharacterized protein; | NULL | NULL | 138 | sea-urchin |
| W4XDM9 | Uncharacterized protein; | NULL | NULL | 123 | sea-urchin |
| W4YZ71 | Uncharacterized protein; | NULL | NULL | 130 | sea-urchin |
| W4YYE9 | Uncharacterized protein; | Sp-Hypp_3002; | NULL | 437 | sea-urchin |
| W4ZAC7 | Uncharacterized protein; | NULL | NULL | 81 | sea-urchin |
| W4XW27 | Uncharacterized protein; | Sp-Hypp_1738; | XP_794125.3; | 596 | sea-urchin |
| W4Y0S6 | Uncharacterized protein; | Sp-Hypp_1841; | NULL | 471 | sea-urchin |
