| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XLP4 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; | Sp-Usp20L; | NULL | 589 | sea-urchin |
| W4YH26 | Uncharacterized protein; | Sp-Tlr080; | NULL | 892 | sea-urchin |
| W4XRF7 | Uncharacterized protein; | Sp-Notchh1_4; | NULL | 3197 | sea-urchin |
| W4ZA85 | Uncharacterized protein; | Sp-Muc4dL3; | NULL | 1735 | sea-urchin |
| W4YJS7 | Uncharacterized protein; | Sp-EgfiL_94; | NULL | 931 | sea-urchin |
| W4YT37 | Uncharacterized protein; | Sp-Mipep; | NULL | 421 | sea-urchin |
| W4XTT8 | Uncharacterized protein; | Sp-Baz1a; | NULL | 1828 | sea-urchin |
| W4XIS9 | Uncharacterized protein; | Sp-Egf/Lnb/Tm7/Gpcr_1; | NULL | 850 | sea-urchin |
| W4YEZ3 | Cytosolic Fe-S cluster assembly factor NUBP2 homolog; | Sp-Nupb2; | NULL | 388 | sea-urchin |
| W4ZFY4 | Lipase maturation factor; | Sp-Lmf2_1; | NULL | 327 | sea-urchin |
| W4YJ83 | Uncharacterized protein; | Sp-Ube4A; | NULL | 1041 | sea-urchin |
| W4YLP6 | Uncharacterized protein; | Sp-Ret; | NULL | 998 | sea-urchin |
| W4ZET6 | Uncharacterized protein; | Sp-Gabbr1_8; | NULL | 250 | sea-urchin |
| W4Y2V8 | Uncharacterized protein; | Sp-Gpr112_1; | NULL | 337 | sea-urchin |
| W4ZI85 | Uncharacterized protein; | Sp-Glur1; | NULL | 915 | sea-urchin |
| W4YX39 | Uncharacterized protein; | Sp-Hypp_973; | XP_003726834.1; | 625 | sea-urchin |
| W4YG25 | Adenylosuccinate synthetase; AMPSase; AdSS; EC 6.3.4.4; IMP--aspartate ligase; | Sp-Adssl1; | NULL | 270 | sea-urchin |
| W4YVG0 | Uncharacterized protein; | Sp-Notch_1; | NULL | 2977 | sea-urchin |
| W4YWE4 | Uncharacterized protein; | Sp-Hypp_966; | NULL | 808 | sea-urchin |
| W4YHT3 | Uncharacterized protein; | Sp-Fbs_1; | NULL | 326 | sea-urchin |
