| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XB51 | Uncharacterized protein; | Sp-Hsdl; | XP_787338.3; | 549 | sea-urchin |
| W4XAT4 | Uncharacterized protein; | Sp-Zfp509L; | NULL | 1114 | sea-urchin |
| W4XHH5 | Uncharacterized protein; | Sp-Hypp_1416; | XP_003727104.1; | 349 | sea-urchin |
| W4YY80 | Uncharacterized protein; | Sp-Snx27; | NULL | 473 | sea-urchin |
| W4YB64 | Uncharacterized protein; | Sp-Tiprl; | XP_791850.1; | 266 | sea-urchin |
| W4YZB8 | Uncharacterized protein; | Sp-Sirt5_1; | NULL | 226 | sea-urchin |
| W4Z4Y0 | Uncharacterized protein; | Sp-Echn11; | NULL | 649 | sea-urchin |
| W4Z528 | Uncharacterized protein; | Sp-Rdh8_2; | NULL | 359 | sea-urchin |
| W4YL23 | Uncharacterized protein; | Sp-Z145; | XP_793238.3; | 903 | sea-urchin |
| W4ZGN5 | Uncharacterized protein; | Sp-Itih_6; | NULL | 1076 | sea-urchin |
| W4Z4M9 | Uncharacterized protein; | Sp-Eif4A; | NULL | 418 | sea-urchin |
| W4YKW4 | Uncharacterized protein; | NULL | NULL | 178 | sea-urchin |
| W4Z4A8 | Uncharacterized protein; | Sp-Brca2_1; | NULL | 483 | sea-urchin |
| W4ZBQ5 | Uncharacterized protein; | Sp-Hypp_1155; | NULL | 848 | sea-urchin |
| W4YZB0 | Uncharacterized protein; | NULL | NULL | 79 | sea-urchin |
| W4Z560 | Uncharacterized protein; | Sp-Usp24; | NULL | 625 | sea-urchin |
| W4ZJ17 | Uncharacterized protein; | Sp-SmocL; | NULL | 569 | sea-urchin |
| W4ZI04 | Uncharacterized protein; | Sp-Ctso; | NULL | 367 | sea-urchin |
| W4XBA1 | Uncharacterized protein; | Sp-Urb1h; | NULL | 1423 | sea-urchin |
| W4XBA6 | Uncharacterized protein; | Sp-Echn16; | NULL | 378 | sea-urchin |
