| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZKM3 | Uncharacterized protein; | Sp-Wdr21; | NULL | 506 | sea-urchin |
| W4Z070 | Uncharacterized protein; | Sp-Mek; | NULL | 412 | sea-urchin |
| W4Z9N0 | Uncharacterized protein; | Sp-Ccdc141; | NULL | 1324 | sea-urchin |
| W4Z1X0 | Uncharacterized protein; | NULL | NULL | 91 | sea-urchin |
| W4ZKQ1 | Uncharacterized protein; | Sp-Rad18; | NULL | 804 | sea-urchin |
| W4ZGW2 | Uncharacterized protein; | Sp-C5orf33_1; | NULL | 345 | sea-urchin |
| W4ZGE9 | Uncharacterized protein; | Sp-PppL_231; | NULL | 974 | sea-urchin |
| W4Z0B2 | Uncharacterized protein; | Sp-Act_2; | NULL | 349 | sea-urchin |
| W4YG75 | Uncharacterized protein; | NULL | NULL | 272 | sea-urchin |
| W4YZQ8 | Uncharacterized protein; | Sp-Hypp_1022; | NULL | 695 | sea-urchin |
| W4YGI4 | Uncharacterized protein; | Sp-Prxdxn; | NULL | 182 | sea-urchin |
| W4XDT8 | Uncharacterized protein; | Sp-PolypL_958; | NULL | 320 | sea-urchin |
| W4XCY5 | Uncharacterized protein; | Sp-Tep1; | NULL | 884 | sea-urchin |
| W4XCW5 | Uncharacterized protein; | Sp-Hypp_1315; | NULL | 343 | sea-urchin |
| W4XJM4 | Uncharacterized protein; | NULL | NULL | 207 | sea-urchin |
| W4XKW5 | Uncharacterized protein; | Sp-Sra1L; | XP_001189729.1; | 307 | sea-urchin |
| W4YQF0 | Uncharacterized protein; | Sp-TspN/Tsp1; | NULL | 1120 | sea-urchin |
| W4XK39 | Uncharacterized protein; | Sp-Ogfod2; | NULL | 393 | sea-urchin |
| W4YX29 | Uncharacterized protein; | NULL | NULL | 142 | sea-urchin |
| W4Z3N9 | Uncharacterized protein; | Sp-Hypp_2627; | NULL | 321 | sea-urchin |
