| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4XPI8 | Uncharacterized protein; | Sp-gnmt_2; | XP_001180074.2; | 291 | sea-urchin |
| W4XPC6 | Uncharacterized protein; | Sp-Hypp_1573; | XP_800497.1; | 573 | sea-urchin |
| W4Y522 | Uncharacterized protein; | NULL | NULL | 174 | sea-urchin |
| W4YBA3 | Uncharacterized protein; | Sp-Surreal/Gpcr27; | XP_787242.1; | 339 | sea-urchin |
| W4XA28 | Uncharacterized protein; | Sp-Pgrp3; | NULL | 245 | sea-urchin |
| W4XIW6 | Uncharacterized protein; | Sp-Hypp_1444; | NULL | 385 | sea-urchin |
| W4YBR1 | Uncharacterized protein; | Sp-Clect_104; | NULL | 265 | sea-urchin |
| W4YJQ9 | Uncharacterized protein; Fragment; | NULL | NULL | 168 | sea-urchin |
| W4YJQ5 | Uncharacterized protein; | NULL | NULL | 135 | sea-urchin |
| W4YB92 | Uncharacterized protein; | NULL | NULL | 280 | sea-urchin |
| W4X9N2 | Transporter; | Sp-Gat_2; | NULL | 572 | sea-urchin |
| W4YRC4 | Uncharacterized protein; | Sp-Gpr21L_12; | NULL | 325 | sea-urchin |
| W4Y4Q5 | Uncharacterized protein; Fragment; | NULL | NULL | 111 | sea-urchin |
| W4YYZ1 | Uncharacterized protein; | NULL | NULL | 214 | sea-urchin |
| W4YQW0 | Uncharacterized protein; | Sp-Mapkkk9_1; | NULL | 828 | sea-urchin |
| W4YRV3 | Uncharacterized protein; | Sp-C20orf26L; | NULL | 1309 | sea-urchin |
| W4XPB1 | Uncharacterized protein; Fragment; | Sp-Hypp_3009; | NULL | 445 | sea-urchin |
| W4YH33 | Uncharacterized protein; | Sp-Galr2L_19; | NULL | 346 | sea-urchin |
| W4XHT4 | Uncharacterized protein; | Sp-Hypp_1422; | NULL | 331 | sea-urchin |
| W4XB03 | Uncharacterized protein; | NULL | NULL | 205 | sea-urchin |
