| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZE38 | Uncharacterized protein; | Sp-Psma2_1; | NULL | 275 | sea-urchin |
| W4XZ10 | Uncharacterized protein; | Sp-Zmym1-2; | NULL | 768 | sea-urchin |
| W4ZGB7 | Uncharacterized protein; | NULL | NULL | 63 | sea-urchin |
| W4ZH82 | Uncharacterized protein; | Sp-Hypp_269; | NULL | 2046 | sea-urchin |
| W4XPQ8 | Uncharacterized protein; | NULL | NULL | 196 | sea-urchin |
| W4ZGE6 | Uncharacterized protein; Fragment; | NULL | NULL | 225 | sea-urchin |
| A1DXX5 | Sp185/333; | NULL | NULL | 142 | sea-urchin |
| Q9NC91 | Scavenger receptor cysteine-rich protein; | NULL | NP_999647.1; | 457 | sea-urchin |
| W4YWC0 | Uncharacterized protein; | NULL | NULL | 137 | sea-urchin |
| A1DXT7 | Sp185/333; | NULL | NULL | 291 | sea-urchin |
| W4Z3L3 | Uncharacterized protein; | Sp-Hypp_2624; | XP_780664.1; | 307 | sea-urchin |
| A1DY89 | Sp185/333; | NULL | NULL | 62 | sea-urchin |
| W4YAT1 | Uncharacterized protein; | Sp-Exos6; | NULL | 293 | sea-urchin |
| B5G6A4 | Transcription factor SoxB2; | soxB2; | NULL | 270 | sea-urchin |
| W4Z9B2 | Transcription and mRNA export factor ENY2; Enhancer of yellow 2 transcription factor homolog; | NULL | NULL | 95 | sea-urchin |
| W4YJI5 | Uncharacterized protein; | Sp-Plxdc2_1; | NULL | 406 | sea-urchin |
| A1DX58 | Sp185/333; | NULL | NULL | 376 | sea-urchin |
| Q7YT18 | Lim homeodomain transcription factor 1; | NULL | NP_999810.1; | 480 | sea-urchin |
| B0R1X8 | Huntingtin; Fragment; | hd; | NULL | 261 | sea-urchin |
| A6N3U0 | 185/333 B3 beta; | NULL | NULL | 347 | sea-urchin |
