| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y4B0 | Uncharacterized protein; | Sp-Cyp1r4; | NULL | 246 | sea-urchin |
| W4XAH0 | Uncharacterized protein; | Sp-Atp6v1h; | NULL | 418 | sea-urchin |
| W4Y8V0 | Uncharacterized protein; | Sp-Gpr52L_5; | XP_003723311.1; | 327 | sea-urchin |
| W4XJ55 | Uncharacterized protein; | Sp-Acaa2_1; | NULL | 47 | sea-urchin |
| W4XQB5 | Uncharacterized protein; | Sp-Hypp_457; | XP_001197591.1;XP_003727507.1;XP_003727508.1; | 605 | sea-urchin |
| W4YAQ1 | Uncharacterized protein; Fragment; | NULL | NULL | 89 | sea-urchin |
| W4Y7E0 | Uncharacterized protein; | NULL | NULL | 220 | sea-urchin |
| W4YEY9 | Uncharacterized protein; | NULL | XP_800820.3; | 162 | sea-urchin |
| W4XUU2 | Uncharacterized protein; | Sp-Hypp_1703; | NULL | 379 | sea-urchin |
| W4YFN5 | Uncharacterized protein; | Sp-PppL_198; | NULL | 729 | sea-urchin |
| W4YHI1 | Uncharacterized protein; | Sp-Vps13hb_3; | NULL | 195 | sea-urchin |
| W4YQ44 | Uncharacterized protein; | NULL | NULL | 266 | sea-urchin |
| W4YKA7 | Uncharacterized protein; | Sp-C10orf137L; | NULL | 1416 | sea-urchin |
| W4YAH5 | Uncharacterized protein; | Sp-Ars_3; | XP_780588.1; | 552 | sea-urchin |
| W4Y4C2 | Uncharacterized protein; | Sp-Lrr/Gpcr_8; | NULL | 467 | sea-urchin |
| W4YB69 | Uncharacterized protein; Fragment; | NULL | NULL | 94 | sea-urchin |
| W4YAG9 | Uncharacterized protein; | Sp-C21orf66L; | NULL | 862 | sea-urchin |
| W4YAN9 | Uncharacterized protein; | Sp-Ia1/Ic140-2; | NULL | 682 | sea-urchin |
| W4YH12 | Uncharacterized protein; | Sp-Nlr109; | NULL | 713 | sea-urchin |
| W4YRQ3 | Uncharacterized protein; | Sp-Hs3st1L; | NULL | 345 | sea-urchin |
