| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XAW0 | Uncharacterized protein; | Sp-Selb; | NULL | 112 | sea-urchin |
| W4XQ14 | Uncharacterized protein; | Sp-Crispld2L; | NULL | 555 | sea-urchin |
| W4XII9 | Uncharacterized protein; | Sp-Col9a1; | NULL | 259 | sea-urchin |
| W4ZJL0 | Uncharacterized protein; | Sp-Hypp_2953; | NULL | 532 | sea-urchin |
| W4XR91 | Histone H4; | Sp-EhH4_14; | NULL | 103 | sea-urchin |
| W4XYY9 | Uncharacterized protein; Fragment; | Sp-Cara7LB; | NULL | 150 | sea-urchin |
| W4XGC1 | Uncharacterized protein; | Sp-Sdk2; | NULL | 1247 | sea-urchin |
| W4YUJ9 | Uncharacterized protein; | Sp-Nlr185; | NULL | 698 | sea-urchin |
| W4XJ31 | Uncharacterized protein; | Sp-Arfgef1; | NULL | 1461 | sea-urchin |
| W4Y4S6 | Uncharacterized protein; | Sp-Hypp_1936; | NULL | 373 | sea-urchin |
| W4XQK0 | Uncharacterized protein; | NULL | NULL | 123 | sea-urchin |
| W4YAK3 | Uncharacterized protein; | NULL | NULL | 156 | sea-urchin |
| W4XAE3 | Uncharacterized protein; | Sp-Srcr1; | NULL | 512 | sea-urchin |
| W4XHY3 | Uncharacterized protein; | NULL | NULL | 150 | sea-urchin |
| W4YA14 | Uncharacterized protein; | Sp-Adpgk; | NULL | 471 | sea-urchin |
| W4XHX0 | Uncharacterized protein; | Sp-TyrL; | NULL | 852 | sea-urchin |
| W4Y5V3 | Uncharacterized protein; | Sp-Srcr99; | NULL | 169 | sea-urchin |
| W4YBY5 | Uncharacterized protein; Fragment; | Sp-Scye1; | NULL | 242 | sea-urchin |
| W4YBK5 | Uncharacterized protein; | Sp-St8sia2_1; | NULL | 301 | sea-urchin |
| W4YVR1 | Uncharacterized protein; Fragment; | Sp-PlexA2_2; | NULL | 1719 | sea-urchin |
