| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YQM3 | Uncharacterized protein; | Sp-Psmb2; | NULL | 79 | sea-urchin |
| W4YUG5 | Uncharacterized protein; | Sp-C12orf51_2; | NULL | 1275 | sea-urchin |
| W4XUN5 | Uncharacterized protein; | Sp-Wd66; | NULL | 1266 | sea-urchin |
| W4XMZ0 | Uncharacterized protein; | NULL | NULL | 169 | sea-urchin |
| W4YVP6 | Uncharacterized protein; Fragment; | NULL | NULL | 235 | sea-urchin |
| W4YVC7 | Uncharacterized protein; | Sp-Zcchc8; | NULL | 598 | sea-urchin |
| W4Z1B4 | Uncharacterized protein; | NULL | NULL | 129 | sea-urchin |
| W4Z1T9 | Uncharacterized protein; | NULL | NULL | 195 | sea-urchin |
| W4Z1B3 | Uncharacterized protein; | Sp-Hypp_2587; | NULL | 533 | sea-urchin |
| W4YHM1 | Uncharacterized protein; | NULL | NULL | 94 | sea-urchin |
| W4XW55 | Uncharacterized protein; | Sp-Ccdc28b; | XP_001183635.2; | 237 | sea-urchin |
| W4YQT8 | Uncharacterized protein; | Sp-Cntnap4L_2; | XP_003724648.1; | 364 | sea-urchin |
| W4YZ21 | Uncharacterized protein; | NULL | NULL | 203 | sea-urchin |
| W4YN93 | Uncharacterized protein; | Sp-Dnah9_1; | NULL | 2046 | sea-urchin |
| W4Z2B7 | Uncharacterized protein; | Sp-Prps1; | NULL | 294 | sea-urchin |
| W4YVC2 | Uncharacterized protein; | Sp-Dut; | NULL | 131 | sea-urchin |
| W4Z3J3 | Uncharacterized protein; Fragment; | NULL | NULL | 72 | sea-urchin |
| W4YME8 | Uncharacterized protein; Fragment; | NULL | NULL | 169 | sea-urchin |
| W4YF57 | Uncharacterized protein; | Sp-Mfsd7L; | NULL | 421 | sea-urchin |
| W4ZA70 | Uncharacterized protein; | Sp-Rif1L; | NULL | 625 | sea-urchin |
