| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XYF5 | Uncharacterized protein; | Sp-PlexA4_2; | NULL | 1669 | sea-urchin |
| W4YTL4 | Uncharacterized protein; Fragment; | Sp-Ldla/Gpcr_1; | NULL | 943 | sea-urchin |
| W4ZKW5 | Uncharacterized protein; | Sp-Hypp_2972; | NULL | 416 | sea-urchin |
| W4YHM0 | Uncharacterized protein; | Sp-Htr1fL_5; | NULL | 417 | sea-urchin |
| W4ZIX3 | Uncharacterized protein; | NULL | NULL | 257 | sea-urchin |
| W4ZKS1 | Uncharacterized protein; | Sp-Hypp_2970; | NULL | 308 | sea-urchin |
| W4Y8Y9 | Uncharacterized protein; | Sp-Ube20; | NULL | 1678 | sea-urchin |
| W4YG40 | Uncharacterized protein; | NULL | NULL | 120 | sea-urchin |
| W4Y372 | Uncharacterized protein; Fragment; | Sp-Tubgcp3_1; | NULL | 138 | sea-urchin |
| W4ZLG5 | Uncharacterized protein; | Sp-Il17-20; | NULL | 344 | sea-urchin |
| W4XEL0 | Uncharacterized protein; | Sp-Hypp_3107; | NULL | 1044 | sea-urchin |
| W4YQD1 | Uncharacterized protein; | Sp-Apc; | NULL | 3410 | sea-urchin |
| W4YGL9 | Uncharacterized protein; | NULL | NULL | 192 | sea-urchin |
| W4YHV0 | Uncharacterized protein; | Sp-Nuak; | XP_785933.2; | 658 | sea-urchin |
| W4YQE4 | Uncharacterized protein; | NULL | NULL | 114 | sea-urchin |
| W4XFM4 | Uncharacterized protein; | Sp-Hypp_1377; | NULL | 315 | sea-urchin |
| W4Z8Q1 | Uncharacterized protein; | Sp-Sfk7; | NULL | 521 | sea-urchin |
| W4YPF3 | Uncharacterized protein; | Sp-Dhps_3; | XP_796333.3; | 413 | sea-urchin |
| W4YVY7 | Uncharacterized protein; | Sp-Hypp_957; | NULL | 605 | sea-urchin |
| W4ZD99 | Uncharacterized protein; Fragment; | NULL | NULL | 104 | sea-urchin |
