| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y8C7 | Uncharacterized protein; | Sp-Phf21A; | NULL | 627 | sea-urchin |
| W4Y159 | Uncharacterized protein; | Sp-Tlr053; | NULL | 918 | sea-urchin |
| W4YVT8 | Uncharacterized protein; | Sp-Ccp/Egf/Tsp1/HyalinL3; | NULL | 2179 | sea-urchin |
| W4Z7Z6 | Uncharacterized protein; | Sp-Hypp_2720; | NULL | 598 | sea-urchin |
| W4XPP9 | Uncharacterized protein; | Sp-Mt5/MmpL3; | NULL | 424 | sea-urchin |
| W4YW86 | Uncharacterized protein; | NULL | NULL | 239 | sea-urchin |
| W4Y9K8 | Uncharacterized protein; | Sp-PolppL_93; | NULL | 1268 | sea-urchin |
| W4ZKX5 | Inhibitor of growth protein; | Sp-Ing1; | XP_792118.1; | 254 | sea-urchin |
| W4ZEW3 | Uncharacterized protein; | Sp-Slsp_25; | NULL | 315 | sea-urchin |
| W4XMA6 | Polypeptide N-acetylgalactosaminyltransferase; EC 2.4.1.-; Protein-UDP acetylgalactosaminyltransferase; | Sp-Galnt6; | NULL | 406 | sea-urchin |
| W4YL30 | Uncharacterized protein; | Sp-Hypp_827; | NULL | 821 | sea-urchin |
| W4ZAJ8 | Uncharacterized protein; | Sp-Tuba3; | NULL | 395 | sea-urchin |
| W4XBP7 | Uncharacterized protein; | Sp-Tuba1b; | NULL | 461 | sea-urchin |
| W4Z365 | Eukaryotic translation initiation factor 3 subunit B; eIF3b; Eukaryotic translation initiation factor 3 subunit 9; | Sp-Eif3s9; | NULL | 658 | sea-urchin |
| W4YD42 | Uncharacterized protein; | Sp-Mt1-4/MmpL6; | NULL | 555 | sea-urchin |
| W4YK67 | Uncharacterized protein; | Sp-Lrp4-2; | NULL | 1812 | sea-urchin |
| W4XEP1 | Uncharacterized protein; | NULL | NULL | 169 | sea-urchin |
| W4YNJ7 | Dimethylaniline monooxygenase [N-oxide-forming]; EC 1.14.13.8; | Sp-Fmo3; | XP_791122.1; | 528 | sea-urchin |
| W4ZHX2 | Uncharacterized protein; | Sp-Klp6L1; | NULL | 909 | sea-urchin |
| W4ZGM1 | Uncharacterized protein; | Sp-Mt5/6L2; | NULL | 416 | sea-urchin |
