| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9NC84 | 185/333; | NULL | NP_999652.1; | 397 | sea-urchin |
| A7Z0B7 | Twist; Uncharacterized protein; | Sp-Twi; | NP_001099179.1; | 204 | sea-urchin |
| A9X5H7 | Transposase; Uncharacterized protein; | Sp-Gtf2ird2; | NULL | 625 | sea-urchin |
| H3HQ31 | Histone H2B; | Sp-Lhh2bf; Sp-Lhh2bb; | NULL | 123 | sea-urchin |
| H3IY93 | Uncharacterized protein; | NULL | NULL | 64 | sea-urchin |
| H3HXK0 | Sialidase NEU1.3; Uncharacterized protein; | Sp-Neu1_1; | NULL | 380 | sea-urchin |
| W4YJT5 | Ubiquitin carboxyl-terminal hydrolase; EC 3.4.19.12; | NULL | NULL | 828 | sea-urchin |
| W4YZK1 | Uncharacterized protein; | NULL | XP_003729748.1; | 296 | sea-urchin |
| W4XXT1 | Uncharacterized protein; | NULL | XP_003729668.1; | 527 | sea-urchin |
| Q3SBD3 | Sperm phosphodiesterase 5; Uncharacterized protein; | PDE5; Sp-Pde5_1; | NP_001029121.1; | 949 | sea-urchin |
| H3JPK8 | Uncharacterized protein; Fragment; | NULL | NULL | 34 | sea-urchin |
| H3IC27 | Uncharacterized protein; | Sp-Hypp_1599; Sp-Hypp_1992; | XP_798181.1; | 515 | sea-urchin |
| Q9U0E3 | Tektin A1; Uncharacterized protein; | Sp-Tektin1-2; | NP_999787.1;XP_001177492.1; | 462 | sea-urchin |
| H3JDD3 | Uncharacterized protein; | NULL | XP_001177222.2; | 150 | sea-urchin |
| H3JEQ9 | Uncharacterized protein; | Sp-Lsm10_1; Sp-Lsm10; | XP_001200071.1;XP_001200318.1; | 124 | sea-urchin |
| H3JCH2 | Uncharacterized protein; | Sp-EhH1_33; Sp-EhH1_34 Sp-EhH1_35 Sp-EhH1_36 Sp-EhH1_37; | NULL | 151 | sea-urchin |
| W4Y4P0 | Uncharacterized protein; | Sp-Tlr177; Sp-Tlr191; | NULL | 173 | sea-urchin |
| H3I0U2 | Uncharacterized protein; | NULL | XP_003731598.1;XP_782402.1; | 96 | sea-urchin |
| W4YXI5 | Uncharacterized protein; | Sp-EhH1_28; Sp-EhH1 Sp-EhH1_18 Sp-EhH1_24 Sp-EhH1_26 Sp-EhH1_39 Sp-EhH1_41; | NULL | 205 | sea-urchin |
| C6SUP8 | Putative glycoprotein hormone-alpha2; Uncharacterized protein; | gpa2; | NP_001268682.1; | 129 | sea-urchin |
