| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XXP1 | Uncharacterized protein; | Sp-Hypp_1772; | XP_799977.1; | 324 | sea-urchin |
| W4XUE6 | Uncharacterized protein; | NULL | NULL | 80 | sea-urchin |
| W4XN41 | Uncharacterized protein; | Sp-Cnot1_1; | NULL | 1180 | sea-urchin |
| W4XX42 | Uncharacterized protein; | NULL | NULL | 267 | sea-urchin |
| W4Y2G9 | Uncharacterized protein; | Sp-Hypp_58; | NULL | 1009 | sea-urchin |
| W4Y0Q5 | Uncharacterized protein; | Sp-Med_rnapIIh; | NULL | 226 | sea-urchin |
| W4XBN4 | Uncharacterized protein; | Sp-C17orf59L; | NULL | 337 | sea-urchin |
| W4XYD0 | Uncharacterized protein; | Sp-Hypp_1784; | NULL | 517 | sea-urchin |
| W4XLZ4 | Uncharacterized protein; Fragment; | Sp-Ankr; | NULL | 1214 | sea-urchin |
| W4Y8V5 | Uncharacterized protein; | NULL | NULL | 90 | sea-urchin |
| W4Y7N9 | Uncharacterized protein; | NULL | NULL | 227 | sea-urchin |
| W4YCW3 | Uncharacterized protein; Fragment; | Sp-Chst10; | NULL | 298 | sea-urchin |
| W4Z5Z9 | Uncharacterized protein; | NULL | XP_003728468.1;XP_003728469.1; | 167 | sea-urchin |
| W4XRB8 | Uncharacterized protein; | Sp-Hook3; | NULL | 598 | sea-urchin |
| W4ZIS6 | Uncharacterized protein; | NULL | NULL | 170 | sea-urchin |
| W4Y6C9 | Uncharacterized protein; | Sp-Plekhg4; | NULL | 1508 | sea-urchin |
| W4Y8G9 | Uncharacterized protein; Fragment; | Sp-Vps8_2h; | NULL | 1050 | sea-urchin |
| W4YFE4 | Uncharacterized protein; | Sp-Cox4i1; | XP_796538.1; | 162 | sea-urchin |
| W4Y168 | Uncharacterized protein; | Sp-Map1a/1B_Lc3L1; | XP_783653.1; | 117 | sea-urchin |
| W4YI84 | Uncharacterized protein; | Sp-Dna_pkcs_1; | NULL | 564 | sea-urchin |
