| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| H3HGK6 | Uncharacterized protein; Fragment; | NULL | NULL | 96 | sea-urchin |
| W4XPK7 | Uncharacterized protein; | NULL | XP_793313.1; | 204 | sea-urchin |
| H3IWJ8 | Uncharacterized protein; | Sp-Txnl4A_1; Sp-Txnl4A; | XP_798053.1;XP_801799.1; | 142 | sea-urchin |
| W4ZL89 | Uncharacterized protein; Fragment; | Sp-Naalad2L_18; Sp-Naalad2L_17; | NULL | 148 | sea-urchin |
| Q9XZM7 | Cortical granule serine protease 1; Uncharacterized protein; | Sp-Cgsp1; | NP_999636.1; | 581 | sea-urchin |
| Q9XYH5 | Homeodomain protein Not; Uncharacterized protein; | Sp-Not; | NP_999727.1; | 516 | sea-urchin |
| H3JBD0 | Histone H2B; | Sp-EhH2b_80; Sp-EhH2b_27 Sp-EhH2b_32 Sp-EhH2b_60 Sp-EhH2b_66; | NULL | 67 | sea-urchin |
| H3HTT6 | Uncharacterized protein; | Sp-Chibbyp; Sp-Chibby; | XP_001196817.1;XP_797906.3; | 136 | sea-urchin |
| H3IYA6 | Histone H3; | Sp-LhH3h; Sp-HH3.3; | XP_791252.1;XP_791401.1;XP_798909.1; | 136 | sea-urchin |
| Q9GSD9 | Transcriptional repressor Krl; Uncharacterized protein; | Sp-Krl; | NP_999662.1; | 337 | sea-urchin |
| Q8MUL1 | Spicule matrix protein SM32; Uncharacterized protein; | Sp-Sm32; | NP_999803.1; | 289 | sea-urchin |
| B5G667 | Spicule matrix protein; Fragment; | sm; | NULL | 21 | sea-urchin |
| H3HLD5 | Uncharacterized protein; | Sp-Rpl11; Sp-Rpl11_1; | XP_786879.2;XP_797802.1; | 181 | sea-urchin |
| Q2VEQ3 | Blimp1/Krox1a late isoform; Uncharacterized protein; | Sp-Blimp1; | NULL | 703 | sea-urchin |
| W4Z1F6 | Uncharacterized protein; | NULL | NULL | 342 | sea-urchin |
| H3JFU6 | Uncharacterized protein; | NULL | NULL | 129 | sea-urchin |
| W4Y090 | Uncharacterized protein; | NULL | NULL | 92 | sea-urchin |
| W4YFX4 | Uncharacterized protein; | Sp-Nek11_1; Sp-Nek11; | NULL | 386 | sea-urchin |
| A0MT19 | Osteonectin; SPARC; Uncharacterized protein; | Sp-Ost; SPARC; | NP_001091924.1; | 271 | sea-urchin |
| H3I1F0 | Histone H3; | Sp-LhH3b; Sp-EhH3_1 Sp-EhH3_10 Sp-EhH3_14 Sp-EhH3_16 Sp-EhH3_18 Sp-EhH3_2 Sp-EhH3_22 Sp-EhH3_24 Sp-EhH3_25 Sp-EhH3_26 Sp-EhH3_27 Sp-EhH3_28 Sp-EhH3_29 Sp-EhH3_3 Sp-EhH3_30 Sp-EhH3_34 Sp-EhH3_35 Sp-EhH3_36 Sp-EhH3_37 Sp-EhH3_38 Sp-EhH3_41 Sp-EhH3_43 Sp-EhH皫?皬 | XP_003724461.1;XP_003725435.1; | 136 | sea-urchin |
