| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4ZHK4 | Uncharacterized protein; | Sp-Ark2; | NULL | 213 | sea-urchin |
| W4Z0T5 | Uncharacterized protein; | Sp-AT_DegT; | NULL | 829 | sea-urchin |
| W4ZB62 | Uncharacterized protein; | NULL | NULL | 206 | sea-urchin |
| W4Z525 | Uncharacterized protein; | NULL | NULL | 251 | sea-urchin |
| W4ZID8 | Uncharacterized protein; | Sp-Fn3/Igf_27; | NULL | 591 | sea-urchin |
| W4Z4S6 | Uncharacterized protein; | Sp-Hadha; | NULL | 52 | sea-urchin |
| W4Z6E1 | Uncharacterized protein; | Sp-PppL_220; | NULL | 748 | sea-urchin |
| W4YQX2 | Uncharacterized protein; | Sp-Ddx55; | NULL | 364 | sea-urchin |
| W4XFB2 | Uncharacterized protein; | Sp-Unk_68; | NULL | 168 | sea-urchin |
| W4XCP4 | Uncharacterized protein; | Sp-Echn17; | NULL | 557 | sea-urchin |
| W4Z8U0 | Uncharacterized protein; | Sp-Cd109L_2; | NULL | 726 | sea-urchin |
| W4XGK6 | Uncharacterized protein; | Sp-B3gnt6; | XP_782394.1; | 441 | sea-urchin |
| W4ZKD4 | Uncharacterized protein; | NULL | NULL | 106 | sea-urchin |
| W4XLH0 | Uncharacterized protein; | Sp-Stx8; | NULL | 183 | sea-urchin |
| W4ZAN5 | Uncharacterized protein; | Sp-Yp302; | NULL | 210 | sea-urchin |
| W4XLJ2 | Uncharacterized protein; | Sp-Dhrsx_1; | NULL | 188 | sea-urchin |
| W4XM61 | Uncharacterized protein; | Sp-Gcnt2; | NULL | 471 | sea-urchin |
| W4YYM5 | Uncharacterized protein; | NULL | NULL | 138 | sea-urchin |
| W4XK64 | Histone H2A; | Sp-EhH2a_16; | XP_001197397.1; | 67 | sea-urchin |
| W4XEN5 | Uncharacterized protein; | Sp-Agtpbp1; | NULL | 578 | sea-urchin |
