| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZCV9 | Uncharacterized protein; | Sp-NaC; | NULL | 167 | sea-urchin |
| W4X9K6 | Uncharacterized protein; | Sp-Unc44L; | NULL | 1018 | sea-urchin |
| W4Z4E6 | Uncharacterized protein; | Sp-Kctd2L_77; | NULL | 407 | sea-urchin |
| W4ZI84 | Uncharacterized protein; | Sp-Hypp_277; | NULL | 2248 | sea-urchin |
| W4ZDB2 | Uncharacterized protein; | Sp-Hypp_2822; | NULL | 498 | sea-urchin |
| W4XRF5 | Uncharacterized protein; | Sp-Ddx52; | NULL | 467 | sea-urchin |
| W4ZAU2 | Uncharacterized protein; | Sp-PppL_225; | NULL | 624 | sea-urchin |
| W4XI93 | Uncharacterized protein; | NULL | NULL | 112 | sea-urchin |
| W4XIS0 | Uncharacterized protein; | Sp-Cecr2L; | NULL | 1132 | sea-urchin |
| W4XJB2 | Uncharacterized protein; | Sp-Wdhd1_2; | NULL | 1643 | sea-urchin |
| W4XJF4 | Uncharacterized protein; | NULL | NULL | 190 | sea-urchin |
| W4XAX4 | Uncharacterized protein; | NULL | XP_003723728.1; | 207 | sea-urchin |
| W4XR42 | Uncharacterized protein; | Sp-Rack; | NULL | 318 | sea-urchin |
| W4YR03 | Uncharacterized protein; | Sp-Dmbt1L_7; | NULL | 397 | sea-urchin |
| W4XB41 | Uncharacterized protein; | NULL | NULL | 203 | sea-urchin |
| W4XAT2 | Uncharacterized protein; | Sp-Glod4L; | XP_003728647.1; | 211 | sea-urchin |
| W4X9R9 | Uncharacterized protein; | NULL | NULL | 283 | sea-urchin |
| W4XHS8 | Uncharacterized protein; | Sp-Hh_1; | NULL | 91 | sea-urchin |
| W4XAP8 | Uncharacterized protein; | NULL | XP_800280.1; | 147 | sea-urchin |
| W4Z033 | Uncharacterized protein; | NULL | NULL | 99 | sea-urchin |
