| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YNQ8 | Histone H4; | Sp-EhH4_51; | NULL | 103 | sea-urchin |
| W4Z3L2 | Uncharacterized protein; | Sp-RtL_58; | NULL | 527 | sea-urchin |
| W4YPK0 | Adenosylhomocysteinase; EC 3.3.1.1; | Sp-IrbitL; | XP_797199.1; | 538 | sea-urchin |
| W4YPT0 | Uncharacterized protein; Fragment; | NULL | NULL | 289 | sea-urchin |
| W4YAR7 | Uncharacterized protein; | Sp-Clect/Tm_13; | NULL | 336 | sea-urchin |
| W4Y0P0 | POU domain protein; | Sp-Oct1-2; | NULL | 307 | sea-urchin |
| W4XAB4 | Uncharacterized protein; | Sp-Rhogap24l2; | XP_787962.2; | 666 | sea-urchin |
| Q3HYJ9 | COUP transcription factor-like protein; Fragment; | NULL | NULL | 336 | sea-urchin |
| W4YZ09 | Uncharacterized protein; | Sp-Cadherin_5; | NULL | 400 | sea-urchin |
| W4YVZ5 | Uncharacterized protein; | Sp-Sgpl1; | NULL | 558 | sea-urchin |
| W4ZFF2 | Uncharacterized protein; | Sp-Hypp_2873; | NULL | 394 | sea-urchin |
| W4Z7T8 | Uncharacterized protein; | Sp-Tlr125; | NULL | 318 | sea-urchin |
| W4YSC1 | Metalloendopeptidase; EC 3.4.24.-; | Sp-AnL11_2; | NULL | 309 | sea-urchin |
| W4Y1Q7 | Uncharacterized protein; | Sp-Prss7_1; | NULL | 2027 | sea-urchin |
| W4YUN9 | Uncharacterized protein; | Sp-Slsp_10; | NULL | 490 | sea-urchin |
| W4XF30 | Uncharacterized protein; | Sp-Fn3/Egf/Igf_1; | NULL | 646 | sea-urchin |
| W4YF64 | Uncharacterized protein; | Sp-My1d/My1e; | XP_780215.3; | 1011 | sea-urchin |
| W4XAY2 | Uncharacterized protein; | Sp-Serp; | NULL | 336 | sea-urchin |
| W4XEG4 | Tetraspanin; | Sp-Ttrspn_2; | XP_787025.1; | 263 | sea-urchin |
| W4Z0Z1 | Uncharacterized protein; | Sp-Usp19_1; | NULL | 1385 | sea-urchin |
