| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZFD3 | Uncharacterized protein; | Sp-CtL; | NULL | 455 | sea-urchin |
| W4YVB3 | Uncharacterized protein; | NULL | NULL | 225 | sea-urchin |
| W4Z2W9 | Uncharacterized protein; | Sp-Men1_1; | NULL | 418 | sea-urchin |
| W4ZFP6 | Uncharacterized protein; | NULL | NULL | 212 | sea-urchin |
| W4ZKL7 | Uncharacterized protein; | Sp-Hypp_1238; | NULL | 612 | sea-urchin |
| W4XNN0 | Uncharacterized protein; | Sp-Clect/Tm_9; | NULL | 1055 | sea-urchin |
| W4YEM9 | Uncharacterized protein; | NULL | NULL | 115 | sea-urchin |
| W4ZC61 | Uncharacterized protein; | NULL | NULL | 256 | sea-urchin |
| W4ZLB2 | Guanine nucleotide-binding protein subunit gamma; | Sp-Gg4; | NULL | 65 | sea-urchin |
| W4ZG23 | Uncharacterized protein; | NULL | NULL | 169 | sea-urchin |
| W4ZG88 | Uncharacterized protein; | NULL | NULL | 104 | sea-urchin |
| W4Z375 | Uncharacterized protein; Fragment; | NULL | NULL | 273 | sea-urchin |
| W4ZE43 | Uncharacterized protein; | Sp-Hypp_2843; | NULL | 370 | sea-urchin |
| Q4TTH3 | Extracellular protein; Fragment; | endo16; | NULL | 61 | sea-urchin |
| A1DXP8 | Sp185/333; | NULL | NULL | 142 | sea-urchin |
| A1DWN1 | Sp185/333; | NULL | NULL | 38 | sea-urchin |
| Q1PS62 | Amassin-4; | AMAS4; | NP_001073011.1; | 469 | sea-urchin |
| A1DXM9 | Sp185/333; | NULL | NULL | 156 | sea-urchin |
| Q8MMJ2 | Forkhead C-like protein; Fragment; | NULL | NULL | 162 | sea-urchin |
| Q45ZT5 | Recombination activating protein 2-like; | Rag2L; | NP_001028184.1; | 499 | sea-urchin |
