| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YQB8 | Uncharacterized protein; | NULL | NULL | 272 | sea-urchin |
| W4YM18 | Uncharacterized protein; | Sp-Ap1s2_1; | NULL | 189 | sea-urchin |
| W4XA36 | Uncharacterized protein; | NULL | NULL | 141 | sea-urchin |
| W4XC38 | Uncharacterized protein; | NULL | XP_003728909.1; | 283 | sea-urchin |
| W4XFB5 | Uncharacterized protein; | Sp-Slinky; | NULL | 378 | sea-urchin |
| W4XCU5 | Uncharacterized protein; | Sp-Clect/Egf_5; | NULL | 535 | sea-urchin |
| W4XMC1 | Uncharacterized protein; | NULL | NULL | 145 | sea-urchin |
| W4Y1C2 | Uncharacterized protein; | NULL | NULL | 175 | sea-urchin |
| W4XRQ0 | Uncharacterized protein; | Sp-Unc44_279; | NULL | 360 | sea-urchin |
| W4XIX4 | Uncharacterized protein; | NULL | NULL | 259 | sea-urchin |
| W4XD68 | Uncharacterized protein; | NULL | NULL | 27 | sea-urchin |
| W4Y358 | Uncharacterized protein; | Sp-Fn3_26; | NULL | 439 | sea-urchin |
| W4YCT4 | Uncharacterized protein; | NULL | NULL | 275 | sea-urchin |
| W4XH04 | Uncharacterized protein; | Sp-Hypp_364; | NULL | 604 | sea-urchin |
| W4YH03 | Uncharacterized protein; | Sp-Adra1aL_6; | XP_796675.1; | 374 | sea-urchin |
| W4Y4B6 | Uncharacterized protein; | Sp-trpc5_4; | NULL | 747 | sea-urchin |
| W4XUZ5 | Uncharacterized protein; | Sp-Slc10a2_2; | XP_796623.1; | 420 | sea-urchin |
| W4Y2E0 | Uncharacterized protein; | Sp-Hypp_591; | NULL | 825 | sea-urchin |
| W4YGY5 | Uncharacterized protein; | NULL | NULL | 88 | sea-urchin |
| W4XEG9 | Uncharacterized protein; | Sp-Hypp_1346; | NULL | 470 | sea-urchin |
