| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z1S6 | Uncharacterized protein; | Sp-Brpf1; | NULL | 915 | sea-urchin |
| W4Z6N6 | Uncharacterized protein; | Sp-Pla2g1b; | NULL | 334 | sea-urchin |
| W4XSA9 | Uncharacterized protein; | Sp-Zfyve26; | NULL | 2827 | sea-urchin |
| W4ZEE2 | Uncharacterized protein; | Sp-Ube4B; | NULL | 611 | sea-urchin |
| W4XGZ5 | Uncharacterized protein; | Sp-Bmp5/6/7/8_1; | NULL | 219 | sea-urchin |
| W4ZBF5 | Uncharacterized protein; | Sp-Cct5; | XP_780016.1; | 539 | sea-urchin |
| W4YI08 | Uncharacterized protein; | Sp-Ela2L; | NULL | 484 | sea-urchin |
| W4Y0F1 | Uncharacterized protein; | Sp-Tlr052; | NULL | 888 | sea-urchin |
| W4YPF1 | Uncharacterized protein; | Sp-Fbn3; | NULL | 1436 | sea-urchin |
| W4YGI7 | Histone H4; | Sp-EhH4_38; | NULL | 103 | sea-urchin |
| W4XXR5 | Uncharacterized protein; | Sp-Tlr043; | NULL | 897 | sea-urchin |
| W4XHA0 | Uncharacterized protein; | Sp-EchnL_4; | NULL | 373 | sea-urchin |
| W4XTY3 | Uncharacterized protein; | Sp-Hypp_1686; | NULL | 367 | sea-urchin |
| W4Y332 | Uncharacterized protein; | Sp-P38mapk_1; | NULL | 328 | sea-urchin |
| W4ZIM5 | Uncharacterized protein; | Sp-GucyL; | NULL | 317 | sea-urchin |
| W4YXB4 | Uncharacterized protein; | Sp-Fibcd1_2; | NULL | 418 | sea-urchin |
| W4YQ36 | Uncharacterized protein; | Sp-Achra9L; | NULL | 304 | sea-urchin |
| W4Z2F3 | Uncharacterized protein; | Sp-Kif22_1; | NULL | 1204 | sea-urchin |
| W4Y9H3 | Tetraspanin; | Sp-Ttrspn_10; | NULL | 189 | sea-urchin |
| W4ZBV6 | Uncharacterized protein; | Sp-Klhl5; | NULL | 513 | sea-urchin |
