| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XX88 | Uncharacterized protein; Fragment; | NULL | NULL | 197 | sea-urchin |
| W4XUF3 | Uncharacterized protein; | Sp-Unk_71; | NULL | 367 | sea-urchin |
| W4XJ72 | Uncharacterized protein; | Sp-Hypp_383; | NULL | 780 | sea-urchin |
| W4YPU4 | Uncharacterized protein; | Sp-Unc44_128; | NULL | 1051 | sea-urchin |
| W4Y5B3 | Uncharacterized protein; | Sp-Srcr93; | NULL | 447 | sea-urchin |
| W4XPA4 | Uncharacterized protein; | NULL | NULL | 187 | sea-urchin |
| W4XYV5 | Uncharacterized protein; | NULL | XP_003723470.1; | 260 | sea-urchin |
| W4XQN7 | Uncharacterized protein; | NULL | XP_784084.1; | 277 | sea-urchin |
| W4Y980 | Uncharacterized protein; | NULL | XP_003730604.1; | 198 | sea-urchin |
| W4XJZ0 | Uncharacterized protein; | NULL | NULL | 98 | sea-urchin |
| W4XBJ1 | Uncharacterized protein; | Sp-Smad5; | NULL | 371 | sea-urchin |
| W4YS43 | Uncharacterized protein; Fragment; | NULL | NULL | 138 | sea-urchin |
| W4Y629 | Uncharacterized protein; | NULL | NULL | 107 | sea-urchin |
| W4YB85 | Uncharacterized protein; | Sp-Klhl29-2; | XP_003724515.1; | 858 | sea-urchin |
| W4Y0F2 | Uncharacterized protein; | Sp-Clect/Egf/hyalin_2; | NULL | 448 | sea-urchin |
| W4XQ12 | Uncharacterized protein; | NULL | NULL | 222 | sea-urchin |
| W4XML3 | Uncharacterized protein; | NULL | NULL | 55 | sea-urchin |
| W4YEY2 | Uncharacterized protein; | Sp-Tmed2; | NULL | 189 | sea-urchin |
| W4YBS6 | Uncharacterized protein; | Sp-Dhx36_1; | NULL | 634 | sea-urchin |
| W4XTJ5 | Uncharacterized protein; | NULL | XP_796980.1; | 108 | sea-urchin |
