| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XCH4 | Molybdenum cofactor sulfurase; MCS; MOS; MoCo sulfurase; EC 2.8.1.9; Molybdenum cofactor sulfurtransferase; | Sp-Mocos; | NULL | 962 | sea-urchin |
| W4XHU1 | Flavin-containing monooxygenase; EC 1.-.-.-; | Sp-Fmo2; | NULL | 599 | sea-urchin |
| W4XN24 | Uncharacterized protein; | Sp-Serp-3; | XP_001190869.1; | 375 | sea-urchin |
| W4YXT3 | Uncharacterized protein; | Sp-Tlr206; | NULL | 721 | sea-urchin |
| W4XIT8 | Uncharacterized protein; | Sp-NpC2L; | NULL | 406 | sea-urchin |
| W4Z6N1 | Uncharacterized protein; | Sp-Clect_44; | NULL | 319 | sea-urchin |
| W4XBV6 | Uncharacterized protein; | Sp-Kcns3; | NULL | 1105 | sea-urchin |
| W4Y0B8 | Uncharacterized protein; | Sp-Pygopos; | XP_791313.1; | 224 | sea-urchin |
| W4Y1Y5 | Uncharacterized protein; | Sp-Frmd3; | NULL | 517 | sea-urchin |
| W4YLA5 | Uncharacterized protein; Fragment; | NULL | NULL | 260 | sea-urchin |
| W4Y798 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; | Sp-Usp25; | NULL | 805 | sea-urchin |
| W4YEL0 | Uncharacterized protein; | Sp-Tlr077; | XP_001192202.1; | 929 | sea-urchin |
| W4Z1F2 | Uncharacterized protein; | Sp-Kiaa1095L; | NULL | 373 | sea-urchin |
| W4Z4G3 | Uncharacterized protein; | Sp-Frem1L; | NULL | 1768 | sea-urchin |
| W4Z4C0 | Uncharacterized protein; | Sp-Polyd; | NULL | 3328 | sea-urchin |
| W4Z1H2 | Uncharacterized protein; | NULL | NULL | 180 | sea-urchin |
| W4XVA6 | Uncharacterized protein; | Sp-Ppm1h/J/M; | NULL | 307 | sea-urchin |
| W4ZAK1 | Uncharacterized protein; | Sp-Ly/Egf/Sea_1; | NULL | 561 | sea-urchin |
| W4XEA0 | Uncharacterized protein; | Sp-CycE; | XP_785047.1; | 424 | sea-urchin |
| W4ZCL6 | Uncharacterized protein; | Sp-Abcc9a; | NULL | 1585 | sea-urchin |
