| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y773 | Uncharacterized protein; | Sp-Hypp_1990; | XP_001192066.1; | 527 | sea-urchin |
| W4Y7G4 | Uncharacterized protein; | NULL | NULL | 139 | sea-urchin |
| W4YEE2 | Uncharacterized protein; | Sp-Hypp_739; | NULL | 831 | sea-urchin |
| W4YD55 | Uncharacterized protein; | Sp-Chrna6L_4; | NULL | 590 | sea-urchin |
| W4YC04 | Uncharacterized protein; | Sp-Unk_12; | NULL | 121 | sea-urchin |
| W4XNQ9 | Uncharacterized protein; | Sp-Gpr64L_9; | NULL | 402 | sea-urchin |
| W4XU22 | Uncharacterized protein; | Sp-PolypL_64; | NULL | 476 | sea-urchin |
| W4YJH2 | Uncharacterized protein; | Sp-SnrpA/U2Bl; | NULL | 206 | sea-urchin |
| W4XI42 | Uncharacterized protein; | Sp-Hypp_1428; | NULL | 419 | sea-urchin |
| W4YFQ9 | Uncharacterized protein; | Sp-St8sia2_2; | NULL | 305 | sea-urchin |
| W4YAT4 | Uncharacterized protein; | Sp-Hypp_2052; | NULL | 344 | sea-urchin |
| W4YLQ5 | Uncharacterized protein; | NULL | NULL | 211 | sea-urchin |
| W4YKP2 | Uncharacterized protein; | NULL | NULL | 43 | sea-urchin |
| W4YLM2 | Uncharacterized protein; | Sp-Hypp_2268; | XP_003727598.1; | 486 | sea-urchin |
| W4YKH2 | Uncharacterized protein; | NULL | NULL | 253 | sea-urchin |
| W4YLX8 | Uncharacterized protein; | Sp-Arsb_6; | NULL | 365 | sea-urchin |
| W4Y8N6 | Uncharacterized protein; | Sp-Ecsit; | NULL | 398 | sea-urchin |
| W4YMW2 | Uncharacterized protein; | Sp-Bicc1; | NULL | 415 | sea-urchin |
| W4YLM0 | Uncharacterized protein; | Sp-Hypp_2267; | NULL | 470 | sea-urchin |
| W4XQN0 | Uncharacterized protein; | Sp-Echn23; | NULL | 481 | sea-urchin |
