| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XIW0 | Uncharacterized protein; Fragment; | Sp-Psme4-2; | NULL | 913 | sea-urchin |
| W4ZBF0 | Uncharacterized protein; | Sp-Hypp_2791; | XP_003728659.1; | 302 | sea-urchin |
| W4ZBR5 | Uncharacterized protein; | Sp-TgoL; | NULL | 507 | sea-urchin |
| W4ZID4 | Uncharacterized protein; | Sp-PlxnaL_2; | NULL | 507 | sea-urchin |
| W4ZBT3 | Uncharacterized protein; | NULL | XP_003728165.1; | 183 | sea-urchin |
| W4XQE3 | Uncharacterized protein; | Sp-Tmem20_4; | XP_003730917.1; | 387 | sea-urchin |
| W4ZI37 | Uncharacterized protein; | NULL | NULL | 88 | sea-urchin |
| W4ZBP8 | Uncharacterized protein; | Sp-Med8; | NULL | 319 | sea-urchin |
| W4XQG9 | Uncharacterized protein; | NULL | NULL | 198 | sea-urchin |
| W4XQI5 | Uncharacterized protein; | NULL | NULL | 195 | sea-urchin |
| W4XQB8 | Uncharacterized protein; | NULL | NULL | 202 | sea-urchin |
| W4XQ85 | Uncharacterized protein; | Sp-Hmg2; | XP_001176807.1;XP_792040.1; | 204 | sea-urchin |
| W4XQH3 | Uncharacterized protein; | NULL | NULL | 129 | sea-urchin |
| W4XQK9 | Uncharacterized protein; | Sp-Slc10a2; | XP_782871.2; | 396 | sea-urchin |
| W4YY57 | Uncharacterized protein; | Sp-Hypp_991; | NULL | 839 | sea-urchin |
| W4ZIE3 | Uncharacterized protein; Fragment; | NULL | NULL | 53 | sea-urchin |
| W4XQJ1 | Uncharacterized protein; | Sp-Hypp_460; | NULL | 789 | sea-urchin |
| W4Y593 | Uncharacterized protein; | NULL | NULL | 157 | sea-urchin |
| W4Y5A8 | Uncharacterized protein; | Sp-PolppL_90; | NULL | 1189 | sea-urchin |
| W4XQK8 | Uncharacterized protein; | NULL | NULL | 86 | sea-urchin |
