| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZKV4 | Uncharacterized protein; | Sp-E2f4; | NULL | 294 | sea-urchin |
| W4Y5G8 | Uncharacterized protein; | NULL | NULL | 142 | sea-urchin |
| W4XDV4 | Uncharacterized protein; Fragment; | Sp-Sqrdl; | NULL | 186 | sea-urchin |
| W4YB36 | Uncharacterized protein; | Sp-D123l_1; | NULL | 175 | sea-urchin |
| W4XDV8 | Uncharacterized protein; | Sp-EhH1_2; | NULL | 205 | sea-urchin |
| W4Z6C6 | Uncharacterized protein; | Sp-Rej8A; | NULL | 3300 | sea-urchin |
| W4ZJ22 | Uncharacterized protein; | Sp-Unk_93; | NULL | 658 | sea-urchin |
| W4ZJY9 | Uncharacterized protein; | Sp-Hypp_286; | NULL | 1052 | sea-urchin |
| W4XFG9 | Uncharacterized protein; Fragment; | Sp-Mamdc4-5; | NULL | 5714 | sea-urchin |
| W4XMY7 | Uncharacterized protein; | Sp-Otop2L; | NULL | 458 | sea-urchin |
| W4XR29 | Uncharacterized protein; | Sp-Il1r1; | XP_001201336.2;XP_003728871.1; | 523 | sea-urchin |
| W4ZIX6 | Uncharacterized protein; | Sp-Ebr1L_9; | NULL | 453 | sea-urchin |
| W4ZDQ7 | Uncharacterized protein; | Sp-Lrr2; | NULL | 931 | sea-urchin |
| W4YXW6 | Uncharacterized protein; Fragment; | NULL | NULL | 223 | sea-urchin |
| W4XLM3 | Uncharacterized protein; | Sp-Hypp_1511; | NULL | 351 | sea-urchin |
| W4XUB9 | Uncharacterized protein; | Sp-Rdh8L; | NULL | 813 | sea-urchin |
| W4XUE5 | Uncharacterized protein; | NULL | NULL | 156 | sea-urchin |
| W4XT97 | Uncharacterized protein; | Sp-Fam151bL; | NULL | 539 | sea-urchin |
| W4ZK24 | Uncharacterized protein; | NULL | NULL | 1216 | sea-urchin |
| W4XW81 | Uncharacterized protein; | Sp-Rt29; | NULL | 407 | sea-urchin |
