| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZAG5 | Uncharacterized protein; | Sp-Hypp_1141; | NULL | 739 | sea-urchin |
| W4XK27 | Uncharacterized protein; | Sp-Hypp_1480; | NULL | 417 | sea-urchin |
| W4YLM9 | Uncharacterized protein; | Sp-Usp39; | NULL | 549 | sea-urchin |
| W4YY44 | U1 small nuclear ribonucleoprotein C; U1 snRNP C; U1-C; U1C; | Sp-SnrpC; | NULL | 150 | sea-urchin |
| W4XTP5 | Uncharacterized protein; | Sp-Msclact; | NULL | 376 | sea-urchin |
| W4ZIT9 | Uncharacterized protein; | Sp-Gbe1; | NULL | 651 | sea-urchin |
| W4ZH53 | Lipase maturation factor; | NULL | NULL | 71 | sea-urchin |
| W4ZL76 | Metalloendopeptidase; EC 3.4.24.-; Fragment; | Sp-Tll2L; | NULL | 108 | sea-urchin |
| W4XCE0 | Uncharacterized protein; | Sp-Btub2_1; | XP_801828.1; | 448 | sea-urchin |
| W4XDP1 | Uncharacterized protein; | Sp-Dnajhc1; | XP_794997.3; | 486 | sea-urchin |
| W4Y4E1 | Uncharacterized protein; | Sp-Ube1; | NULL | 338 | sea-urchin |
| W4XNV6 | Uncharacterized protein; | Sp-Tlr025; | NULL | 941 | sea-urchin |
| W4Z9G8 | Uncharacterized protein; | Sp-Gol/Dup; | NULL | 211 | sea-urchin |
| W4XMB0 | Uncharacterized protein; | Sp-NotchL_917; | NULL | 446 | sea-urchin |
| W4XAN3 | Uncharacterized protein; | Sp-Tlr004; | NULL | 914 | sea-urchin |
| W4Z412 | Uncharacterized protein; | Sp-Hypp_1059; | NULL | 601 | sea-urchin |
| W4YD47 | Uncharacterized protein; | Sp-Ap2b1; | NULL | 962 | sea-urchin |
| W4Z5U8 | Uncharacterized protein; | Sp-Mt5/MmpL1; | NULL | 485 | sea-urchin |
| W4XPF8 | Uncharacterized protein; | Sp-Raph1L; | NULL | 752 | sea-urchin |
| W4Y5S5 | Uncharacterized protein; | Sp-Ttrspn_7; | NULL | 224 | sea-urchin |
