| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XW72 | Uncharacterized protein; Fragment; | Sp-Radxh; | NULL | 313 | sea-urchin |
| W4XW44 | Uncharacterized protein; Fragment; | NULL | NULL | 220 | sea-urchin |
| W4XU76 | Uncharacterized protein; | Sp-PppL_188; | NULL | 746 | sea-urchin |
| W4Y1C5 | Uncharacterized protein; | NULL | NULL | 131 | sea-urchin |
| W4XX52 | Uncharacterized protein; | Sp-Unc44L_59; | NULL | 1270 | sea-urchin |
| W4Y162 | Uncharacterized protein; | NULL | NULL | 149 | sea-urchin |
| W4XZ85 | Uncharacterized protein; | NULL | XP_800229.2; | 173 | sea-urchin |
| W4Y0J4 | Uncharacterized protein; | NULL | NULL | 286 | sea-urchin |
| W4XS72 | Uncharacterized protein; | Sp-Unk_25; | NULL | 508 | sea-urchin |
| W4XKP8 | Uncharacterized protein; | NULL | NULL | 66 | sea-urchin |
| W4Y1A2 | Uncharacterized protein; | Sp-Hsp70L_1; | NULL | 480 | sea-urchin |
| W4XPQ0 | Uncharacterized protein; | Sp-Zmat5; | XP_780288.1; | 184 | sea-urchin |
| W4Y5G2 | Uncharacterized protein; | Sp-Slc44a2_4; | NULL | 724 | sea-urchin |
| W4XW42 | Uncharacterized protein; | NULL | NULL | 138 | sea-urchin |
| W4Z520 | Nucleoside diphosphate kinase; EC 2.7.4.6; | Sp-Nme6; | XP_788352.3; | 183 | sea-urchin |
| W4Y7G8 | Uncharacterized protein; | Sp-Hypp_1997; | NULL | 402 | sea-urchin |
| W4Y888 | Uncharacterized protein; | Sp-Hrh3_2; | NULL | 425 | sea-urchin |
| W4Y2K6 | Uncharacterized protein; | NULL | NULL | 202 | sea-urchin |
| W4Y6L7 | Uncharacterized protein; | Sp-Uba/Ubx; | XP_784876.1; | 332 | sea-urchin |
| W4YDJ6 | Uncharacterized protein; | Sp-Hypp_729; | NULL | 759 | sea-urchin |
