| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XMC2 | Uncharacterized protein; | NULL | NULL | 121 | sea-urchin |
| W4YIA9 | Uncharacterized protein; | Sp-Gpr151L_8; | NULL | 388 | sea-urchin |
| W4XRW8 | Uncharacterized protein; | Sp-Rsafd1; | XP_782500.3; | 718 | sea-urchin |
| W4XW32 | Uncharacterized protein; | NULL | NULL | 271 | sea-urchin |
| W4XTA2 | Uncharacterized protein; | NULL | NULL | 242 | sea-urchin |
| W4Y4N0 | Uncharacterized protein; | Sp-Sbdsh; | NULL | 355 | sea-urchin |
| W4Y7I1 | Uncharacterized protein; | Sp-Z258; | XP_796561.3; | 247 | sea-urchin |
| W4XRP2 | Uncharacterized protein; | NULL | NULL | 138 | sea-urchin |
| W4XW74 | Uncharacterized protein; | Sp-CbpdEL; | NULL | 481 | sea-urchin |
| W4Y7F4 | Uncharacterized protein; | NULL | XP_800174.1; | 215 | sea-urchin |
| W4Z4Y7 | Uncharacterized protein; | NULL | NULL | 105 | sea-urchin |
| W4YCI4 | Uncharacterized protein; | Sp-Sqrdl_1; | NULL | 264 | sea-urchin |
| W4Y7M2 | Uncharacterized protein; | Sp-Hypp_1999; | NULL | 488 | sea-urchin |
| W4YCF3 | Uncharacterized protein; | Sp-Rpl5; | NULL | 273 | sea-urchin |
| W4XIM1 | Uncharacterized protein; | Sp-Gal/lec/Tm_2; | NULL | 692 | sea-urchin |
| W4Y5K4 | Uncharacterized protein; | Sp-Z257; | NULL | 1337 | sea-urchin |
| W4ZIP3 | Uncharacterized protein; | NULL | NULL | 110 | sea-urchin |
| W4YES7 | Uncharacterized protein; | Sp-Sned1_3; | NULL | 1186 | sea-urchin |
| W4YEC2 | Uncharacterized protein; | NULL | NULL | 246 | sea-urchin |
| W4XC02 | Uncharacterized protein; | Sp-Taar8cL; | NULL | 323 | sea-urchin |
