| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZIE4 | Uncharacterized protein; | Sp-Hypp_2924; | NULL | 420 | sea-urchin |
| W4YY50 | Uncharacterized protein; Fragment; | NULL | NULL | 88 | sea-urchin |
| W4XN85 | Uncharacterized protein; | Sp-Mpp5-2; | NULL | 910 | sea-urchin |
| W4XGW8 | Uncharacterized protein; | Sp-Hypp_360; | NULL | 640 | sea-urchin |
| W4YSP3 | Uncharacterized protein; | NULL | NULL | 178 | sea-urchin |
| W4XNC9 | Uncharacterized protein; | NULL | NULL | 183 | sea-urchin |
| W4XMC8 | Uncharacterized protein; | NULL | NULL | 210 | sea-urchin |
| W4XTJ4 | Uncharacterized protein; | NULL | NULL | 127 | sea-urchin |
| W4XLK3 | Uncharacterized protein; | Sp-Fn3/Igf_3; | NULL | 2515 | sea-urchin |
| W4XFQ0 | Lon protease homolog, mitochondrial; EC 3.4.21.-; | Sp-Lon; | NULL | 959 | sea-urchin |
| W4XUW4 | Uncharacterized protein; | Sp-Mmr2L; | NULL | 758 | sea-urchin |
| W4XUR5 | Uncharacterized protein; | NULL | NULL | 210 | sea-urchin |
| W4ZI47 | Uncharacterized protein; | Sp-Mamdc2_3; | NULL | 1053 | sea-urchin |
| W4XXE3 | Uncharacterized protein; | NULL | NULL | 182 | sea-urchin |
| W4XGX4 | Uncharacterized protein; | Sp-Nlr12; | NULL | 832 | sea-urchin |
| W4XWU8 | Uncharacterized protein; | NULL | NULL | 180 | sea-urchin |
| W4XXE9 | Uncharacterized protein; | Sp-Polr1d; | NULL | 48 | sea-urchin |
| W4XXJ8 | Uncharacterized protein; | Sp-Hypp_537; | NULL | 803 | sea-urchin |
| W4XXJ2 | Uncharacterized protein; | NULL | NULL | 281 | sea-urchin |
| W4XXG1 | Uncharacterized protein; Fragment; | NULL | NULL | 275 | sea-urchin |
