| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XH83 | Uncharacterized protein; | Sp-Hypp_1411; | NULL | 302 | sea-urchin |
| W4YWA8 | Uncharacterized protein; | Sp-Hypp_2489; | NULL | 335 | sea-urchin |
| W4ZFH1 | Uncharacterized protein; | Sp-T1tnf; | NULL | 526 | sea-urchin |
| W4YG30 | Uncharacterized protein; Fragment; | Sp-Gelsolinh2; | NULL | 144 | sea-urchin |
| W4ZG94 | Uncharacterized protein; | NULL | NULL | 175 | sea-urchin |
| W4YX85 | Uncharacterized protein; | NULL | NULL | 285 | sea-urchin |
| W4YEK2 | Uncharacterized protein; | Sp-Hypp_2135; | NULL | 375 | sea-urchin |
| W4Z2D9 | Uncharacterized protein; Fragment; | Sp-Ptpd_1; | NULL | 211 | sea-urchin |
| W4YW99 | Uncharacterized protein; | NULL | NULL | 206 | sea-urchin |
| W4Y2Z3 | Uncharacterized protein; | NULL | NULL | 164 | sea-urchin |
| W4Z3Y0 | Uncharacterized protein; | Sp-PppL_134; | NULL | 1917 | sea-urchin |
| W4Y3X1 | Uncharacterized protein; | NULL | NULL | 221 | sea-urchin |
| W4YW84 | Uncharacterized protein; | NULL | NULL | 79 | sea-urchin |
| A9P6H1 | ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase 2; | sia2; | NP_001119778.1; | 323 | sea-urchin |
| A6N493 | 185/333 E10 gamma; | NULL | NULL | 316 | sea-urchin |
| W4ZA42 | Uncharacterized protein; | NULL | XP_003723984.1; | 289 | sea-urchin |
| W4Z7Z2 | Uncharacterized protein; | NULL | NULL | 69 | sea-urchin |
| W4ZGR4 | Uncharacterized protein; | NULL | NULL | 897 | sea-urchin |
| W4Z3M1 | Uncharacterized protein; | Sp-Hypp_2625; | NULL | 309 | sea-urchin |
| W4ZG90 | Uncharacterized protein; Fragment; | NULL | NULL | 257 | sea-urchin |
