| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XTU4 | Uncharacterized protein; | NULL | NULL | 151 | sea-urchin |
| W4Y1X2 | Uncharacterized protein; | Sp-Mesdc1; | NULL | 340 | sea-urchin |
| W4XKP0 | Uncharacterized protein; | Sp-Hypp_1491; | NULL | 515 | sea-urchin |
| W4Y203 | Uncharacterized protein; Fragment; | Sp-Yipf1l; | NULL | 287 | sea-urchin |
| W4Y7J2 | Uncharacterized protein; | Sp-Gpr21; | XP_003730396.1; | 456 | sea-urchin |
| W4Y797 | Uncharacterized protein; | NULL | NULL | 30 | sea-urchin |
| W4YEH4 | Uncharacterized protein; | Sp-Hypp_2134; | NULL | 423 | sea-urchin |
| W4YDJ2 | Uncharacterized protein; | Sp-Msp130r1; | NULL | 723 | sea-urchin |
| W4YF36 | Uncharacterized protein; | Sp-Klraq1; | NULL | 696 | sea-urchin |
| W4YML0 | Uncharacterized protein; Fragment; | NULL | NULL | 53 | sea-urchin |
| W4XL87 | Uncharacterized protein; | Sp-PppL_174; | NULL | 907 | sea-urchin |
| W4XW50 | Uncharacterized protein; | Sp-Large_2; | NULL | 69 | sea-urchin |
| W4YMB1 | Uncharacterized protein; | Sp-Cask; | NULL | 509 | sea-urchin |
| W4Y1L0 | Uncharacterized protein; | Sp-Hypp_51; | NULL | 1299 | sea-urchin |
| W4XJH5 | Uncharacterized protein; | NULL | XP_001176609.2; | 218 | sea-urchin |
| W4YE05 | Uncharacterized protein; | Sp-Hypp_97; | NULL | 1337 | sea-urchin |
| W4YTU1 | Uncharacterized protein; | Sp-RtL_46; | NULL | 317 | sea-urchin |
| W4Y0W9 | Uncharacterized protein; | Sp-Tlr172; | NULL | 148 | sea-urchin |
| W4YTM4 | Uncharacterized protein; | Sp-Tgfbrap1_1; | NULL | 304 | sea-urchin |
| W4YUX3 | Uncharacterized protein; Fragment; | Sp-Ap3m1_1; | NULL | 378 | sea-urchin |
