| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Y454 | Uncharacterized protein; | Sp-C14orf45; | XP_783407.1; | 535 | sea-urchin |
| W4ZF43 | Uncharacterized protein; | NULL | NULL | 2001 | sea-urchin |
| W4YA31 | Uncharacterized protein; | NULL | NULL | 101 | sea-urchin |
| W4YAA0 | Uncharacterized protein; | Sp-Lrrc4cL; | NULL | 512 | sea-urchin |
| A9P6R8 | ST8 alpha-N-acetyl-neuraminide alpha-2,8-sialyltransferase 10; Fragment; | NULL | NULL | 323 | sea-urchin |
| A1DXR4 | Sp185/333; | NULL | NULL | 352 | sea-urchin |
| A1DXV1 | Sp185/333; | NULL | NULL | 291 | sea-urchin |
| Q9TX36 | POL protein; | NULL | NULL | 174 | sea-urchin |
| A6N3V6 | 185/333 B6 epsilon; | NULL | NULL | 313 | sea-urchin |
| O76450 | Spicule matrix protein; | SM37; | NP_999776.1; | 381 | sea-urchin |
| Q9XZI1 | MyoD homolog; Fragment; | SUM-1; | NULL | 223 | sea-urchin |
| Q9Y0S8 | Vesicle-associated membrane protein; | NULL | NP_999795.1; | 104 | sea-urchin |
| Q9GPA8 | Piwi-like protein; | NULL | NP_999765.1; | 854 | sea-urchin |
| Q6JEK3 | 14a demethylase; | CYP51; | NP_001001906.1; | 496 | sea-urchin |
| O44344 | Complement component C3; | Sp064; | NP_999686.1; | 1699 | sea-urchin |
| Q1PS60 | Lysyl oxidase-like 2; | LOXL2; | NP_001073015.1; | 770 | sea-urchin |
| B0ZT41 | Sp185/333 D1 alpha; | NULL | NULL | 376 | sea-urchin |
| A1DX51 | Sp185/333; | NULL | NULL | 142 | sea-urchin |
| D0VFQ9 | Bindin; Fragment; | BND; | NULL | 77 | sea-urchin |
| G8IRY9 | Polyketide synthase 2; Fragment; | NULL | NULL | 2536 | sea-urchin |
