| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZBG5 | Uncharacterized protein; | Sp-Notch2_7; | NULL | 1001 | sea-urchin |
| W4Z0I5 | Uncharacterized protein; | Sp-Stub1; | NULL | 64 | sea-urchin |
| W4YSA3 | Uncharacterized protein; | NULL | NULL | 236 | sea-urchin |
| Q9TX01 | Protein tyrosine kinase PTKSP15; Fragment; | NULL | NULL | 51 | sea-urchin |
| Q4U1Y2 | Steroid hormone receptor 3; | SHR3; | NP_001020384.1; | 715 | sea-urchin |
| W4Y7H3 | Uncharacterized protein; | Sp-Hypp_654; | NULL | 605 | sea-urchin |
| Q26645 | ETS homologue; | NULL | NP_999698.1; | 559 | sea-urchin |
| W4Z9D7 | Uncharacterized protein; | NULL | NULL | 263 | sea-urchin |
| W4ZEN5 | Uncharacterized protein; | Sp-Fibulin; | NULL | 766 | sea-urchin |
| W4ZES7 | Uncharacterized protein; | Sp-Nox5; | NULL | 1115 | sea-urchin |
| W4YSP4 | Uncharacterized protein; | Sp-Brd2; | NULL | 467 | sea-urchin |
| W4YAB2 | Uncharacterized protein; | Sp-Atub13; | NULL | 452 | sea-urchin |
| W4XNN8 | Uncharacterized protein; | Sp-CycK_1; | NULL | 764 | sea-urchin |
| W4ZGG4 | Uncharacterized protein; | Sp-Zfyve21L; | NULL | 397 | sea-urchin |
| W4YQN0 | Malic enzyme; | Sp-Me3; | NULL | 442 | sea-urchin |
| Q9BMI4 | Transposase helper protein-like protein; Fragment; | NULL | NULL | 139 | sea-urchin |
| Q94769 | Egg receptor for sperm; | NULL | NP_999695.1; | 889 | sea-urchin |
| W4YJA6 | Uncharacterized protein; | NULL | NULL | 200 | sea-urchin |
| Q26658 | Stage specific activator protein; | NULL | NP_999784.1; | 382 | sea-urchin |
| Q3LS85 | 185/333; | NULL | NULL | 372 | sea-urchin |
