| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YXE2 | Uncharacterized protein; | Sp-Ccdc108_2; | NULL | 1078 | sea-urchin |
| W4ZII1 | Transporter; | Sp-Slc6a5_4; | NULL | 790 | sea-urchin |
| W4ZJ04 | Histone H2B; | Sp-SphH2b1; | NULL | 140 | sea-urchin |
| W4XZW2 | Uncharacterized protein; | Sp-Fpgs_2; | NULL | 726 | sea-urchin |
| W4YLG1 | Uncharacterized protein; | Sp-Nap1l1; | NULL | 387 | sea-urchin |
| W4YZC2 | Uncharacterized protein; | NULL | NULL | 179 | sea-urchin |
| W4XCQ2 | Uncharacterized protein; | Sp-Hypp_326; | NULL | 727 | sea-urchin |
| W4XC57 | Uncharacterized protein; | Sp-Ef1bd; | NULL | 279 | sea-urchin |
| W4YJF5 | Uncharacterized protein; | Sp-Fn3_31; | NULL | 1135 | sea-urchin |
| W4Y0H3 | Uncharacterized protein; | NULL | NULL | 138 | sea-urchin |
| W4ZB01 | Uncharacterized protein; | NULL | NULL | 280 | sea-urchin |
| W4XSN2 | Uncharacterized protein; | NULL | NULL | 140 | sea-urchin |
| W4Y6A6 | Uncharacterized protein; | Sp-Sult1a; | NULL | 309 | sea-urchin |
| W4ZIP2 | Uncharacterized protein; | Sp-Dnah17L; | NULL | 894 | sea-urchin |
| W4YDH3 | Uncharacterized protein; | NULL | XP_003729050.1; | 112 | sea-urchin |
| W4YXR9 | Uncharacterized protein; | Sp-Hypp_2517; | NULL | 591 | sea-urchin |
| W4Y0C1 | Uncharacterized protein; | Sp-Hypp_1826; | NULL | 309 | sea-urchin |
| W4YLJ2 | Uncharacterized protein; | Sp-Hypp_836; | NULL | 661 | sea-urchin |
| W4Y0T2 | Uncharacterized protein; | Sp-Pmvk; | NULL | 229 | sea-urchin |
| W4YLS4 | Uncharacterized protein; | NULL | NULL | 116 | sea-urchin |
