| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y156 | Guanylate cyclase; EC 4.6.1.2; | Sp-SpnprA; | NULL | 804 | sea-urchin |
| W4Z065 | Uncharacterized protein; | NULL | NULL | 179 | sea-urchin |
| W4XDT9 | Uncharacterized protein; | Sp-Spcat3l; | NULL | 1702 | sea-urchin |
| W4Z438 | Uncharacterized protein; | Sp-Egf/Zp_3; | NULL | 392 | sea-urchin |
| W4YML8 | Uncharacterized protein; | Sp-Gpr133L_4; | NULL | 888 | sea-urchin |
| Q8IS92 | Mitogen-activated protein kinase; EC 2.7.11.24; | NULL | NP_999813.1; | 369 | sea-urchin |
| W4Z3L9 | Uncharacterized protein; | Sp-Gal/lec/EgfL/Tm; | NULL | 743 | sea-urchin |
| W4ZL25 | Uncharacterized protein; | Sp-traf6; | NULL | 556 | sea-urchin |
| W4XHA1 | Uncharacterized protein; | Sp-Scap; | NULL | 1447 | sea-urchin |
| B5G607 | NADH-ubiquinone oxidoreductase chain 5; EC 1.6.5.3; Fragment; | nad5; | NULL | 211 | sea-urchin |
| W4XD43 | Uncharacterized protein; | Sp-AcheL_2; | NULL | 607 | sea-urchin |
| W4Y0G5 | Uncharacterized protein; | Sp-Hypp_1831; | NULL | 592 | sea-urchin |
| W4XAX2 | Uncharacterized protein; | Sp-Bche-2; | NULL | 622 | sea-urchin |
| W4Z5J1 | Uncharacterized protein; | Sp-Fn3_42; | NULL | 500 | sea-urchin |
| W4YHW9 | Uncharacterized protein; | Sp-Slsp; | NULL | 342 | sea-urchin |
| W4YQQ6 | Uncharacterized protein; | Sp-Notch1-14; | NULL | 1168 | sea-urchin |
| W4XBA5 | Uncharacterized protein; | Sp-Dusp14/18/21; | NULL | 212 | sea-urchin |
| W4ZC35 | Uncharacterized protein; | Sp-Tlr140; | NULL | 896 | sea-urchin |
| W4Y5X6 | Ribosomal protein S6 kinase; EC 2.7.11.1; | Sp-P70rsk; | NULL | 487 | sea-urchin |
| W4YGX8 | Uncharacterized protein; | Sp-Hypp_106; | NULL | 1389 | sea-urchin |
