| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4Z0H2 | Uncharacterized protein; | Sp-HnmtL_2; | XP_003727123.1; | 340 | sea-urchin |
| W4XGF5 | Uncharacterized protein; | Sp-Fn3f_62; | NULL | 538 | sea-urchin |
| W4Y515 | Uncharacterized protein; | Sp-LshmanlsnL_1; | NULL | 860 | sea-urchin |
| W4YRC9 | Uncharacterized protein; | Sp-PppL_120; | XP_003729235.1; | 1905 | sea-urchin |
| W4YXM7 | Uncharacterized protein; | NULL | NULL | 152 | sea-urchin |
| W4YY01 | Mothers against decapentaplegic homolog; MAD homolog; Mothers against DPP homolog; SMAD family member; | Sp-Smad1/5/8_1; | NULL | 462 | sea-urchin |
| W4YR74 | Uncharacterized protein; | NULL | NULL | 76 | sea-urchin |
| W4Z623 | Uncharacterized protein; | Sp-Nek4b; | NULL | 436 | sea-urchin |
| W4YUL8 | Uncharacterized protein; | NULL | NULL | 75 | sea-urchin |
| W4Z922 | Uncharacterized protein; | NULL | NULL | 131 | sea-urchin |
| W4Z500 | Uncharacterized protein; | Sp-Gpaa1; | NULL | 659 | sea-urchin |
| W4Z5H5 | Uncharacterized protein; | Sp-Sec14L2_4; | NULL | 394 | sea-urchin |
| W4ZBJ3 | Uncharacterized protein; | NULL | XP_003730261.1; | 297 | sea-urchin |
| W4ZB45 | Uncharacterized protein; | Sp-Sema/Fn3; | NULL | 804 | sea-urchin |
| W4ZAL5 | Uncharacterized protein; | Sp-CholdhL; | NULL | 1027 | sea-urchin |
| W4XPJ5 | Uncharacterized protein; | NULL | NULL | 153 | sea-urchin |
| W4ZDV7 | Uncharacterized protein; | Sp-Fn3f_14; | NULL | 838 | sea-urchin |
| W4YFV7 | Uncharacterized protein; Fragment; | Sp-Ptprmp; | XP_789193.3; | 117 | sea-urchin |
| W4ZBY8 | Uncharacterized protein; | Sp-Zfpl1; | XP_003723597.1;XP_785452.1; | 332 | sea-urchin |
| W4YY07 | Uncharacterized protein; | Sp-Tektin2; | NULL | 430 | sea-urchin |
