| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z3N1 | Uncharacterized protein; | Sp-Gpr54L_2; | NULL | 349 | sea-urchin |
| W4Y419 | Uncharacterized protein; | Sp-Chrm2L_1; | NULL | 531 | sea-urchin |
| W4Z2J1 | Uncharacterized protein; | NULL | NULL | 1337 | sea-urchin |
| W4Z981 | Uncharacterized protein; | NULL | NULL | 112 | sea-urchin |
| W4ZFT1 | Uncharacterized protein; | Sp-Galr2_1; | NULL | 337 | sea-urchin |
| W4Z9U2 | Uncharacterized protein; | Sp-NeuroD1; | NULL | 374 | sea-urchin |
| W4YPG9 | Uncharacterized protein; | Sp-Nt5; | NULL | 286 | sea-urchin |
| W4Z966 | Histone-lysine N-methyltransferase, H3 lysine-79 specific; EC 2.1.1.43; Histone H3-K79 methyltransferase; | Sp-Dot1LL; | NULL | 1752 | sea-urchin |
| W4Z2T1 | Uncharacterized protein; | NULL | NULL | 222 | sea-urchin |
| W4YJ28 | Uncharacterized protein; | Sp-Hypp_2230; | NULL | 480 | sea-urchin |
| W4Z377 | Uncharacterized protein; Fragment; | NULL | NULL | 193 | sea-urchin |
| W4Y474 | Uncharacterized protein; | Sp-Hip1; | XP_782602.1; | 296 | sea-urchin |
| W4XMF6 | DNA topoisomerase 2; EC 5.99.1.3; | Sp-Top2b; | NULL | 1632 | sea-urchin |
| W4Y4K1 | Uncharacterized protein; | Sp-Bax; | NULL | 216 | sea-urchin |
| W4Y3R2 | Uncharacterized protein; | NULL | NULL | 171 | sea-urchin |
| W4XCN6 | Uncharacterized protein; | Sp-Sqle; | NULL | 275 | sea-urchin |
| W4XD51 | Uncharacterized protein; | NULL | NULL | 218 | sea-urchin |
| W4XGF3 | Uncharacterized protein; | Sp-Agrin; | NULL | 833 | sea-urchin |
| W4XBS5 | Uncharacterized protein; | Sp-Tstsk2; | NULL | 574 | sea-urchin |
| W4XBZ3 | Uncharacterized protein; | Sp-Nlr28; | NULL | 816 | sea-urchin |
