| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZEL1 | Uncharacterized protein; | Sp-U1snrnpbp; | XP_001182912.2; | 413 | sea-urchin |
| W4XBG7 | Uncharacterized protein; | Sp-PolppL-2; | NULL | 1448 | sea-urchin |
| W4ZGT2 | Uncharacterized protein; | Sp-Ewamph; | XP_788777.2; | 371 | sea-urchin |
| W4YIM7 | Uncharacterized protein; | NULL | NULL | 299 | sea-urchin |
| W4XBV4 | Uncharacterized protein; | NULL | NULL | 224 | sea-urchin |
| W4YPD6 | Uncharacterized protein; | NULL | NULL | 68 | sea-urchin |
| W4XG69 | Uncharacterized protein; | Sp-Clect_100; | NULL | 168 | sea-urchin |
| W4XCR6 | Uncharacterized protein; | NULL | NULL | 201 | sea-urchin |
| W4XLD3 | Uncharacterized protein; | NULL | NULL | 1303 | sea-urchin |
| W4XF47 | Uncharacterized protein; | Sp-Dcdc2; | NULL | 896 | sea-urchin |
| W4XRS8 | Uncharacterized protein; | Sp-Sarmr1; | NULL | 630 | sea-urchin |
| W4Y3Y4 | Uncharacterized protein; | NULL | NULL | 84 | sea-urchin |
| W4XWZ9 | Uncharacterized protein; | NULL | NULL | 226 | sea-urchin |
| W4XLX9 | Uncharacterized protein; | NULL | NULL | 117 | sea-urchin |
| W4XJS1 | Uncharacterized protein; | Sp-Unc44_274; | NULL | 353 | sea-urchin |
| W4Y308 | Uncharacterized protein; | NULL | NULL | 46 | sea-urchin |
| W4Y2M7 | Uncharacterized protein; | Sp-Hypp_597; | NULL | 686 | sea-urchin |
| W4Y963 | Uncharacterized protein; | Sp-Fanca; | NULL | 692 | sea-urchin |
| W4Y4Z4 | Uncharacterized protein; | Sp-Mcl; | NULL | 224 | sea-urchin |
| W4XRB3 | Uncharacterized protein; | NULL | NULL | 166 | sea-urchin |
