| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZFZ3 | Uncharacterized protein; | Sp-Rxfp1_5; | NULL | 586 | sea-urchin |
| W4XAU5 | Uncharacterized protein; | Sp-Ppap2cL; | NULL | 339 | sea-urchin |
| W4Z319 | Uncharacterized protein; | Sp-Fbxo18-2; | NULL | 980 | sea-urchin |
| W4XIJ2 | Uncharacterized protein; | NULL | NULL | 150 | sea-urchin |
| W4XR17 | Uncharacterized protein; | Sp-Unc44L_45; | XP_003728980.1; | 1028 | sea-urchin |
| W4XRR5 | Uncharacterized protein; | NULL | NULL | 232 | sea-urchin |
| W4Y0D3 | Uncharacterized protein; | Sp-Ctnnb; | NP_001027543.1; | 825 | sea-urchin |
| W4XIP7 | Uncharacterized protein; | Sp-Mgc10433L_1; | NULL | 297 | sea-urchin |
| W4Y4D4 | Uncharacterized protein; | NULL | NULL | 74 | sea-urchin |
| W4XC54 | Uncharacterized protein; | Sp-Ecm/Tspn/Vwc/Vwd; | NULL | 3238 | sea-urchin |
| W4Y4I6 | Uncharacterized protein; | Sp-Rpl30; | XP_783150.1; | 114 | sea-urchin |
| W4Y4E9 | Uncharacterized protein; | Sp-Hypp_1924; | NULL | 323 | sea-urchin |
| W4Y4P1 | Uncharacterized protein; | Sp-Hypp_624; | NULL | 738 | sea-urchin |
| W4Y5R7 | Integrin beta; | Sp-BetaGi; | NULL | 643 | sea-urchin |
| W4XVW0 | Uncharacterized protein; | Sp-Spry1; | XP_782386.3; | 196 | sea-urchin |
| W4Y683 | Uncharacterized protein; | NULL | NULL | 156 | sea-urchin |
| W4XPR6 | Uncharacterized protein; | Sp-C14orf18L; | XP_790644.1; | 347 | sea-urchin |
| W4XQ09 | Uncharacterized protein; | Sp-Hypp_1586; | NULL | 598 | sea-urchin |
| W4Y6B5 | Uncharacterized protein; | Sp-Ank1_1; | NULL | 553 | sea-urchin |
| W4XIS3 | Uncharacterized protein; | NULL | NULL | 179 | sea-urchin |
