| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YBZ7 | Uncharacterized protein; | Sp-Btub4; | XP_003727970.1; | 446 | sea-urchin |
| W4XHH0 | Uncharacterized protein; | Sp-Ilgfr; | NULL | 1221 | sea-urchin |
| W4Z7L0 | Uncharacterized protein; | Sp-Phf17; | NULL | 1107 | sea-urchin |
| W4XQ22 | Uncharacterized protein; Fragment; | Sp-Kif3AL; | NULL | 211 | sea-urchin |
| W4XIY6 | Uncharacterized protein; | Sp-Hypp_1447; | NULL | 582 | sea-urchin |
| W4ZKK2 | Tetraspanin; | Sp-Ttrspn_24; | NULL | 208 | sea-urchin |
| W4XQF9 | Uncharacterized protein; | Sp-Bhmt-9; | XP_787844.3; | 361 | sea-urchin |
| W4Y035 | Lipase maturation factor; | NULL | NULL | 219 | sea-urchin |
| W4Y8K3 | Uncharacterized protein; | Sp-Unc44_990; | NULL | 434 | sea-urchin |
| W4YRN9 | Uncharacterized protein; | Sp-Mmp1/3L1; | XP_785149.3; | 692 | sea-urchin |
| W4XHU3 | Uncharacterized protein; | Sp-AcheL_3; | XP_003723783.1; | 602 | sea-urchin |
| W4XHV1 | Uncharacterized protein; | Sp-BcheL; | NULL | 312 | sea-urchin |
| W4XPK2 | Uncharacterized protein; | Sp-Tlr026; | NULL | 914 | sea-urchin |
| W4YDK2 | Uncharacterized protein; | NULL | NULL | 267 | sea-urchin |
| W4YNJ5 | Uncharacterized protein; | NULL | NULL | 255 | sea-urchin |
| W4XAP2 | Uncharacterized protein; | Sp-Z211; | NULL | 1958 | sea-urchin |
| W4XE19 | Protein Wnt; | Sp-Wnt3; | NULL | 337 | sea-urchin |
| W4YJ52 | Uncharacterized protein; | Sp-HyalinL; | NULL | 659 | sea-urchin |
| W4Y0A4 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; | Sp-Usp16; | NULL | 1122 | sea-urchin |
| W4ZAR2 | Uncharacterized protein; | Sp-Thr; | NULL | 240 | sea-urchin |
