| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZFK8 | Ribonuclease; EC 3.1.26.-; | Sp-Rnaseh2a; | XP_782683.1; | 324 | sea-urchin |
| W4YTI4 | Uncharacterized protein; | Sp-Syt6-2; | NULL | 388 | sea-urchin |
| W4Z867 | Uncharacterized protein; | Sp-Wdr59_1; | NULL | 453 | sea-urchin |
| W4ZEK6 | Uncharacterized protein; Fragment; | NULL | NULL | 199 | sea-urchin |
| W4Z0C1 | Uncharacterized protein; | Sp-Salmfap; | XP_001198950.2; | 266 | sea-urchin |
| W4ZFI3 | Uncharacterized protein; | NULL | NULL | 169 | sea-urchin |
| W4ZG33 | Uncharacterized protein; Fragment; | NULL | NULL | 188 | sea-urchin |
| W4XVI6 | Uncharacterized protein; | Sp-Pitpnm2; | NULL | 1156 | sea-urchin |
| W4XNT0 | Uncharacterized protein; | Sp-trim37; | NULL | 1054 | sea-urchin |
| W4XFR3 | Uncharacterized protein; | NULL | NULL | 77 | sea-urchin |
| W4ZFD7 | Uncharacterized protein; | Sp-Rbm12L; | NULL | 1859 | sea-urchin |
| W4YVF1 | Uncharacterized protein; Fragment; | Sp-Hypp_947; | NULL | 620 | sea-urchin |
| W4YIT6 | Uncharacterized protein; | Sp-Impa1; | XP_003726545.1; | 285 | sea-urchin |
| W4ZKC3 | Uncharacterized protein; | Sp-Drd2L_25; | XP_791873.1; | 424 | sea-urchin |
| W4YUB2 | Uncharacterized protein; | Sp-Z101; | NULL | 887 | sea-urchin |
| W4YWR9 | Uncharacterized protein; | Sp-SerpL12; | NULL | 211 | sea-urchin |
| W4YQ18 | Uncharacterized protein; | Sp-St8sia3; | NULL | 436 | sea-urchin |
| W4YGN0 | Uncharacterized protein; | NULL | NULL | 176 | sea-urchin |
| W4YQN6 | Uncharacterized protein; | Sp-Hypp_3044; | NULL | 3808 | sea-urchin |
| W4Z3J1 | Uncharacterized protein; | Sp-Helz_2; | NULL | 2908 | sea-urchin |
