| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z7A6 | Uncharacterized protein; | NULL | NULL | 292 | sea-urchin |
| W4ZK95 | Uncharacterized protein; | Sp-Hypp_2961; | NULL | 495 | sea-urchin |
| W4XYN2 | Uncharacterized protein; | NULL | NULL | 173 | sea-urchin |
| W4Y3M0 | Uncharacterized protein; | NULL | NULL | 201 | sea-urchin |
| W4XND3 | Uncharacterized protein; | Sp-Ddx47; | NULL | 651 | sea-urchin |
| W4YGJ3 | Histone H2A; | NULL | NULL | 228 | sea-urchin |
| W4YGG2 | Uncharacterized protein; | Sp-Nid2L_1; | NULL | 306 | sea-urchin |
| W4XV92 | Uncharacterized protein; | Sp-Srcr39; | NULL | 1064 | sea-urchin |
| W4YIX1 | Uncharacterized protein; | Sp-Mamdc4; | NULL | 1325 | sea-urchin |
| W4YQ60 | Uncharacterized protein; | NULL | NULL | 95 | sea-urchin |
| W4YPV8 | Uncharacterized protein; | Sp-Acp2_1; | NULL | 530 | sea-urchin |
| W4Y9P8 | Uncharacterized protein; | NULL | NULL | 145 | sea-urchin |
| W4YWT6 | Uncharacterized protein; | Sp-Surreal/Gpcr131; | XP_781363.1; | 361 | sea-urchin |
| W4YG56 | Uncharacterized protein; | Sp-Galr2L_17; | NULL | 387 | sea-urchin |
| W4Y452 | Uncharacterized protein; | Sp-Hypp_1921; | NULL | 580 | sea-urchin |
| W4YGU5 | Uncharacterized protein; | Sp-MacpfA.3; | NULL | 570 | sea-urchin |
| W4YX89 | Uncharacterized protein; | Sp-PppL_125; | NULL | 1112 | sea-urchin |
| W4YWQ1 | Uncharacterized protein; | NULL | NULL | 181 | sea-urchin |
| W4YIF6 | Uncharacterized protein; | Sp-Hypp_2220; | NULL | 573 | sea-urchin |
| W4ZA65 | Uncharacterized protein; | Sp-Htr1f; | XP_786529.1; | 376 | sea-urchin |
