| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z7F7 | Uncharacterized protein; | Sp-PkdccL; | XP_783361.3; | 344 | sea-urchin |
| W4YT41 | Uncharacterized protein; | Sp-Arl11l2; | XP_782942.1; | 213 | sea-urchin |
| W4XWD3 | Uncharacterized protein; | Sp-Egf/Ig/Lnb/Tm7/Gpcr; | NULL | 1002 | sea-urchin |
| Q26641 | COUP transcription factor; Fragment; | spCOUP-TR; | NULL | 381 | sea-urchin |
| W4YZG6 | Uncharacterized protein; | Sp-Hypp_1019; | NULL | 679 | sea-urchin |
| W4XYH6 | Uncharacterized protein; | Sp-Hypp_1787; | NULL | 467 | sea-urchin |
| W4XGK0 | Uncharacterized protein; | Sp-Gpr51; | NULL | 1029 | sea-urchin |
| W4XER5 | Uncharacterized protein; | Sp-Abcc5C; | NULL | 1263 | sea-urchin |
| W4Y3K1 | Uncharacterized protein; | Sp-Exo1; | NULL | 994 | sea-urchin |
| B3FNR6 | Lefty; | NULL | NP_001123281.1; | 399 | sea-urchin |
| W4YHX1 | Uncharacterized protein; | Sp-Acel1; | NULL | 889 | sea-urchin |
| W4Z6H0 | Uncharacterized protein; | Sp-Glra1; | NULL | 436 | sea-urchin |
| W4YNM8 | Uncharacterized protein; | Sp-Fibcd1_1; | NULL | 349 | sea-urchin |
| W4XR11 | Inosine-5'-monophosphate dehydrogenase; IMP dehydrogenase; IMPD; IMPDH; EC 1.1.1.205; | Sp-Impdh2; | NULL | 644 | sea-urchin |
| W4YBH2 | Uncharacterized protein; | Sp-Pla2g1b_2; | NULL | 144 | sea-urchin |
| W4XS19 | Superoxide dismutase [Cu-Zn]; EC 1.15.1.1; | Sp-Sod; | NULL | 130 | sea-urchin |
| W4ZI01 | Uncharacterized protein; | Sp-Tlr152; | NULL | 763 | sea-urchin |
| W4ZEH6 | Uncharacterized protein; | Sp-Slsp_24; | NULL | 393 | sea-urchin |
| W4ZFJ5 | Uncharacterized protein; | Sp-Arf1l1; | NULL | 242 | sea-urchin |
| W4XCW2 | Uncharacterized protein; | Sp-Btbd5_1; | NULL | 853 | sea-urchin |
