| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y8Y3 | Uncharacterized protein; | Sp-Naalad2L_4; | NULL | 259 | sea-urchin |
| W4XSP1 | Uncharacterized protein; | NULL | NULL | 85 | sea-urchin |
| W4XWN5 | Uncharacterized protein; | NULL | NULL | 103 | sea-urchin |
| W4YZT4 | Uncharacterized protein; | Sp-Hypp_2548; | NULL | 357 | sea-urchin |
| W4YTL0 | Uncharacterized protein; | NULL | NULL | 107 | sea-urchin |
| W4YYN0 | Uncharacterized protein; | Sp-TnfrsfL2; | NULL | 858 | sea-urchin |
| W4Z0M6 | Uncharacterized protein; | NULL | NULL | 171 | sea-urchin |
| W4Z062 | Uncharacterized protein; | Sp-Polyq; | NULL | 305 | sea-urchin |
| W4YYA9 | Uncharacterized protein; | Sp-Drd2L_21; | NULL | 412 | sea-urchin |
| W4YLA0 | Uncharacterized protein; | NULL | NULL | 179 | sea-urchin |
| W4YP76 | Uncharacterized protein; | Sp-Slsp_4; | XP_003724285.1; | 366 | sea-urchin |
| W4YZL8 | Uncharacterized protein; | Sp-trex2L; | NULL | 479 | sea-urchin |
| W4XEJ0 | Uncharacterized protein; | Sp-Krfp1L; | NULL | 290 | sea-urchin |
| W4Z5I0 | Uncharacterized protein; | NULL | NULL | 184 | sea-urchin |
| W4YYK5 | Uncharacterized protein; | Sp-Hypp_2531; | XP_001184207.2; | 388 | sea-urchin |
| W4Z5M4 | Uncharacterized protein; | NULL | NULL | 87 | sea-urchin |
| W4YTN7 | Uncharacterized protein; | NULL | NULL | 219 | sea-urchin |
| W4YZV1 | Uncharacterized protein; | NULL | XP_800304.1; | 193 | sea-urchin |
| W4Z830 | Uncharacterized protein; | NULL | NULL | 295 | sea-urchin |
| W4XWZ5 | Uncharacterized protein; | Sp-Z370; | NULL | 982 | sea-urchin |
