| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y6T9 | Uncharacterized protein; | NULL | NULL | 187 | sea-urchin |
| W4XAS0 | Histone H2A; | Sp-EhH2a_1; | NULL | 124 | sea-urchin |
| W4XLA9 | Uncharacterized protein; | Sp-Disph1; | NULL | 2852 | sea-urchin |
| W4XWG9 | Uncharacterized protein; Fragment; | NULL | NULL | 181 | sea-urchin |
| W4XBQ8 | Uncharacterized protein; | Sp-Hypp_3118; | NULL | 1072 | sea-urchin |
| W4Z3T3 | Uncharacterized protein; | Sp-Rfk; | NULL | 152 | sea-urchin |
| W4XG82 | Uncharacterized protein; | Sp-Sacs-3; | NULL | 931 | sea-urchin |
| W4XMT3 | Uncharacterized protein; | NULL | NULL | 249 | sea-urchin |
| W4ZFE0 | Uncharacterized protein; | NULL | NULL | 171 | sea-urchin |
| W4XA07 | Uncharacterized protein; | Sp-Hnmtl; | NULL | 352 | sea-urchin |
| W4XI83 | Uncharacterized protein; | Sp-Msy; | XP_785816.1; | 326 | sea-urchin |
| W4XAY1 | Uncharacterized protein; | Sp-CubnL_8; | NULL | 372 | sea-urchin |
| W4XR78 | Uncharacterized protein; | NULL | NULL | 152 | sea-urchin |
| W4XP80 | Uncharacterized protein; | Sp-Ttc5; | NULL | 404 | sea-urchin |
| W4XEX8 | Uncharacterized protein; | Sp-Vwd/Vwc; | NULL | 1114 | sea-urchin |
| W4XVY0 | Protein tweety homolog; | Sp-Ttyh2; | NULL | 561 | sea-urchin |
| W4XY62 | Uncharacterized protein; | Sp-Z105; | NULL | 3157 | sea-urchin |
| W4XSZ4 | Uncharacterized protein; | NULL | NULL | 130 | sea-urchin |
| W4XNC7 | Uncharacterized protein; | Sp-Hypp_1552; | NULL | 574 | sea-urchin |
| W4X9L4 | Uncharacterized protein; | Sp-Gpr114; | NULL | 255 | sea-urchin |
