| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XGU8 | Uncharacterized protein; | Sp-Erk3/4; | NULL | 774 | sea-urchin |
| W4YX58 | Uncharacterized protein; | NULL | NULL | 79 | sea-urchin |
| W4YIY8 | Uncharacterized protein; | NULL | XP_001177346.1; | 134 | sea-urchin |
| W4YQ88 | Amino acid transporter; | Sp-Slc1a1; | NULL | 165 | sea-urchin |
| W4YG84 | Uncharacterized protein; | Sp-Lrr/Gpcr_3; | NULL | 685 | sea-urchin |
| W4XB27 | Uncharacterized protein; | Sp-Hypp_309; | NULL | 658 | sea-urchin |
| W4Z8I3 | Uncharacterized protein; | NULL | NULL | 202 | sea-urchin |
| W4YWU9 | Uncharacterized protein; | Sp-Pip4k2b; | NULL | 414 | sea-urchin |
| X5FC94 | Sp185/333; Fragment; | NULL | NULL | 294 | sea-urchin |
| W4XNI6 | Uncharacterized protein; | Sp-Tnrc4; | NULL | 423 | sea-urchin |
| W4XV87 | Uncharacterized protein; | Sp-Mus81h; | NULL | 868 | sea-urchin |
| W4XF81 | Uncharacterized protein; | Sp-Cdt1L; | NULL | 430 | sea-urchin |
| W4XAJ8 | Uncharacterized protein; | NULL | NULL | 73 | sea-urchin |
| W4XAF6 | Uncharacterized protein; | NULL | NULL | 233 | sea-urchin |
| W4XJQ2 | Uncharacterized protein; | Sp-Hypp_1464; | NULL | 312 | sea-urchin |
| W4XEG2 | Uncharacterized protein; | Sp-Ccdc124; | XP_786890.1; | 228 | sea-urchin |
| W4ZH65 | Uncharacterized protein; | Sp-Hsp901; | NULL | 825 | sea-urchin |
| W4XIH1 | Uncharacterized protein; | NULL | NULL | 228 | sea-urchin |
| W4XPB8 | Uncharacterized protein; | Sp-Hypp_5; | NULL | 1390 | sea-urchin |
| W4XCQ4 | Uncharacterized protein; | Sp-Fn3/Egff_3; | NULL | 620 | sea-urchin |
