| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XX82 | Uncharacterized protein; | Sp-EhH1_13; | NULL | 145 | sea-urchin |
| W4XET8 | Uncharacterized protein; | NULL | NULL | 137 | sea-urchin |
| W4XE44 | Uncharacterized protein; | Sp-Hypp_1341; | NULL | 304 | sea-urchin |
| W4Y2G7 | Uncharacterized protein; | Sp-Bves; | XP_003723894.1; | 396 | sea-urchin |
| W4XY81 | Uncharacterized protein; | Sp-Tlr046; | NULL | 873 | sea-urchin |
| W4ZE39 | Uncharacterized protein; | Sp-Sema/Psi_1; | NULL | 652 | sea-urchin |
| W4XN71 | Uncharacterized protein; | Sp-Clca_1; | NULL | 906 | sea-urchin |
| W4Y2Y8 | Uncharacterized protein; | NULL | NULL | 161 | sea-urchin |
| W4XYF1 | Uncharacterized protein; | Sp-Chrm2L; | NULL | 367 | sea-urchin |
| W4XXD8 | Uncharacterized protein; | Sp-Mrc2L_1; | NULL | 346 | sea-urchin |
| W4Y8V2 | Uncharacterized protein; | Sp-Ttll7; | XP_791121.1; | 763 | sea-urchin |
| W4XHC4 | Uncharacterized protein; | Sp-Socs2/3; | XP_003725367.1; | 227 | sea-urchin |
| W4Y934 | Uncharacterized protein; | Sp-Tsp1_1; | NULL | 338 | sea-urchin |
| W4XF63 | Uncharacterized protein; | Sp-Abtb2; | NULL | 304 | sea-urchin |
| W4ZIC5 | Uncharacterized protein; | Sp-Atg4cL; | NULL | 1003 | sea-urchin |
| W4Y9W5 | Uncharacterized protein; | Sp-Fn3/Igf_8; | NULL | 560 | sea-urchin |
| W4Z662 | Uncharacterized protein; | NULL | NULL | 273 | sea-urchin |
| W4YFB4 | Uncharacterized protein; | Sp-Hypp_2150; | NULL | 428 | sea-urchin |
| W4Y9G6 | Uncharacterized protein; | Sp-TaarL; | NULL | 320 | sea-urchin |
| W4Y3D2 | Uncharacterized protein; | Sp-Hypp_1904; | NULL | 473 | sea-urchin |
