| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XRE3 | Uncharacterized protein; | Sp-2OGFeII; | NULL | 174 | sea-urchin |
| W4XJV8 | Uncharacterized protein; | Sp-Z450; | NULL | 775 | sea-urchin |
| W4ZIG3 | Uncharacterized protein; | NULL | NULL | 209 | sea-urchin |
| W4XCC3 | Uncharacterized protein; | Sp-Hypp_1300; | NULL | 485 | sea-urchin |
| W4ZJ35 | Uncharacterized protein; | NULL | NULL | 184 | sea-urchin |
| W4XV54 | Uncharacterized protein; | Sp-Lypd6b; | NULL | 135 | sea-urchin |
| W4XJM3 | Uncharacterized protein; | Sp-Unc44L_31; | NULL | 1179 | sea-urchin |
| W4XSG1 | Uncharacterized protein; | NULL | XP_796314.1; | 350 | sea-urchin |
| W4XN38 | Uncharacterized protein; | Sp-Clect_65; | NULL | 373 | sea-urchin |
| W4Y1H3 | Uncharacterized protein; | Sp-Z263; | NULL | 755 | sea-urchin |
| W4XG49 | Histone H2B; | Sp-EhH2b_13; | NULL | 123 | sea-urchin |
| W4XY56 | Uncharacterized protein; | NULL | NULL | 104 | sea-urchin |
| W4Y2F8 | Uncharacterized protein; | Sp-Nop56; | NULL | 665 | sea-urchin |
| W4XU20 | Uncharacterized protein; | Sp-TnL2; | NULL | 1322 | sea-urchin |
| W4Y3H0 | Uncharacterized protein; | Sp-Endrvt75; | NULL | 584 | sea-urchin |
| W4Y2X6 | Uncharacterized protein; | NULL | NULL | 121 | sea-urchin |
| W4Y3N1 | Uncharacterized protein; | Sp-Clect_73; | NULL | 479 | sea-urchin |
| W4Y293 | Uncharacterized protein; | Sp-Cyp2L20; | NULL | 289 | sea-urchin |
| W4Y3E6 | Uncharacterized protein; | Sp-Srcr86; | NULL | 446 | sea-urchin |
| W4XWA1 | Uncharacterized protein; | NULL | NULL | 165 | sea-urchin |
