| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZHU9 | Uncharacterized protein; | Sp-Hypp_1212; | NULL | 841 | sea-urchin |
| W4ZIN2 | Uncharacterized protein; | Sp-Hypp_3027; | NULL | 2471 | sea-urchin |
| W4ZJE5 | Uncharacterized protein; | Sp-Hypp_1226; | XP_003723868.1; | 921 | sea-urchin |
| W4YJH5 | Uncharacterized protein; | Sp-Srcr129; | XP_798676.3; | 656 | sea-urchin |
| W4Z4Q3 | Uncharacterized protein; | Sp-Smad1/5/8; | NULL | 259 | sea-urchin |
| W4ZBG9 | Uncharacterized protein; | Sp-Hypp_2793; | NULL | 333 | sea-urchin |
| W4ZJH4 | Uncharacterized protein; | Sp-Tbrg1; | NULL | 577 | sea-urchin |
| W4XD71 | Uncharacterized protein; | NULL | NULL | 136 | sea-urchin |
| W4ZBV5 | Uncharacterized protein; | Sp-Spg20; | XP_003724330.1; | 563 | sea-urchin |
| W4ZCV8 | Uncharacterized protein; | NULL | NULL | 100 | sea-urchin |
| W4XCX4 | Uncharacterized protein; | Sp-Srcr13; | NULL | 652 | sea-urchin |
| W4Z4T8 | Uncharacterized protein; | Sp-Sestd1; | NULL | 770 | sea-urchin |
| W4Y0D9 | Uncharacterized protein; | Sp-Nlr125_1; | NULL | 1025 | sea-urchin |
| W4XKL6 | Uncharacterized protein; | Sp-Usp32; | NULL | 274 | sea-urchin |
| W4YXZ6 | Uncharacterized protein; | Sp-B3galt8; | NULL | 325 | sea-urchin |
| W4ZAK8 | Uncharacterized protein; | Sp-Hus1; | XP_786829.1; | 280 | sea-urchin |
| W4ZC67 | Uncharacterized protein; | NULL | XP_799334.1; | 149 | sea-urchin |
| W4XDU1 | Uncharacterized protein; | Sp-Hypp_1335; | NULL | 329 | sea-urchin |
| W4XMH9 | Uncharacterized protein; | Sp-Wap/Wap; | NULL | 160 | sea-urchin |
| W4YG83 | Uncharacterized protein; | Sp-Cts8; | NULL | 548 | sea-urchin |
