| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XWA6 | Uncharacterized protein; | Sp-Egf/Ig/Fn3; | NULL | 521 | sea-urchin |
| W4YU83 | Uncharacterized protein; | Sp-Hk1_1; | NULL | 391 | sea-urchin |
| W4XED8 | Uncharacterized protein; | Sp-Ctsl; | NULL | 323 | sea-urchin |
| W4ZDJ8 | Uncharacterized protein; | Sp-Kif16L; | NULL | 1513 | sea-urchin |
| W4Z6U3 | Uncharacterized protein; | Sp-Kiaa1095; | NULL | 397 | sea-urchin |
| W4XLV9 | Uncharacterized protein; | Sp-GhrL; | NULL | 835 | sea-urchin |
| W4YWA1 | Uncharacterized protein; | Sp-AchE_4; | NULL | 501 | sea-urchin |
| W4XQU4 | Uncharacterized protein; | Sp-AcheL_4; | NULL | 603 | sea-urchin |
| W4Y482 | DNA polymerase; EC 2.7.7.7; | Sp-Polq_1; | NULL | 342 | sea-urchin |
| W4YYU6 | Probable tRNA N6-adenosine threonylcarbamoyltransferase, mitochondrial; EC 2.3.1.-; t(6)A37 threonylcarbamoyladenosine biosynthesis protein Sp-Osgepl1L_1; tRNA threonylcarbamoyladenosine biosynthesis protein Sp-Osgepl1L_1; | Sp-Osgepl1L_1; | NULL | 400 | sea-urchin |
| W4XLT0 | Uncharacterized protein; | Sp-Tlr022; | NULL | 892 | sea-urchin |
| W4ZED7 | Uncharacterized protein; | Sp-Grm4L; | NULL | 811 | sea-urchin |
| W4ZFB6 | Eukaryotic translation initiation factor 3 subunit C; eIF3c; Eukaryotic translation initiation factor 3 subunit 8; | Sp-Eif3c; | NULL | 1307 | sea-urchin |
| W4YEW0 | Uncharacterized protein; | Sp-Alox12b; | NULL | 769 | sea-urchin |
| W4Z5I1 | Uncharacterized protein; | Sp-Tbx2-3; | NULL | 649 | sea-urchin |
| W4XMR9 | Uncharacterized protein; | Sp-Cct7; | NULL | 545 | sea-urchin |
| W4XDN4 | Purple acid phosphatase; EC 3.1.3.2; | Sp-CalcneurL_2; | NULL | 511 | sea-urchin |
| W4Y732 | Uncharacterized protein; | Sp-Tlr062; | NULL | 887 | sea-urchin |
| W4Z5B7 | Uncharacterized protein; | NULL | NULL | 188 | sea-urchin |
| W4YXR5 | Uncharacterized protein; | Sp-Klp6L3; | XP_795310.3; | 801 | sea-urchin |
