| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZCT0 | Uncharacterized protein; | Sp-Gpr52; | NULL | 376 | sea-urchin |
| W4Z4I7 | Uncharacterized protein; Fragment; | Sp-Fhad1L_1; | NULL | 332 | sea-urchin |
| W4ZHS6 | Uncharacterized protein; Fragment; | Sp-Hypp_2918; | XP_003731831.1; | 339 | sea-urchin |
| W4XZL9 | Uncharacterized protein; | Sp-Psmf1; | XP_782862.1; | 310 | sea-urchin |
| W4YZ39 | Uncharacterized protein; | Sp-Hypp_2538; | NULL | 301 | sea-urchin |
| W4ZHU3 | Uncharacterized protein; | NULL | NULL | 234 | sea-urchin |
| W4YB27 | Uncharacterized protein; | NULL | NULL | 295 | sea-urchin |
| W4ZI63 | Uncharacterized protein; | Sp-Slc5a7_8; | NULL | 796 | sea-urchin |
| W4ZIY2 | Uncharacterized protein; | Sp-Tkyr; | NULL | 1090 | sea-urchin |
| W4XPP4 | Uncharacterized protein; | Sp-PolppL_46; | NULL | 1650 | sea-urchin |
| W4YY92 | Uncharacterized protein; | NULL | NULL | 86 | sea-urchin |
| W4XRI2 | Uncharacterized protein; | NULL | NULL | 252 | sea-urchin |
| W4YR70 | Uncharacterized protein; Fragment; | Sp-Tln1; | NULL | 792 | sea-urchin |
| W4Y0C4 | Uncharacterized protein; | NULL | XP_800450.1; | 278 | sea-urchin |
| W4ZJ20 | Uncharacterized protein; | Sp-Fb2; | NULL | 661 | sea-urchin |
| W4ZK35 | Uncharacterized protein; | Sp-Pcyt2_1; | NULL | 542 | sea-urchin |
| W4XQA8 | Uncharacterized protein; | Sp-Stub1_1; | NULL | 239 | sea-urchin |
| W4YK31 | Uncharacterized protein; | Sp-Ptprfn1(novel); | NULL | 944 | sea-urchin |
| W4XG77 | Uncharacterized protein; | NULL | NULL | 257 | sea-urchin |
| W4Y714 | Uncharacterized protein; | Sp-Mib1; | NULL | 933 | sea-urchin |
