| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| W4YVD2 | Uncharacterized protein; | Sp-Cys_rich_fgfr_3; | NULL | 592 | sea-urchin |
| W4Z1J2 | Uncharacterized protein; | NULL | NULL | 96 | sea-urchin |
| W4YPQ0 | Uncharacterized protein; | NULL | NULL | 220 | sea-urchin |
| W4Z2M9 | Uncharacterized protein; | Sp-triad; | NULL | 1081 | sea-urchin |
| W4YWY6 | Uncharacterized protein; | Sp-Tbx6; | NULL | 469 | sea-urchin |
| W4YQC7 | Uncharacterized protein; | Sp-Gpr151L_11; | NULL | 578 | sea-urchin |
| W4Y479 | Uncharacterized protein; | Sp-Hypp_621; | NULL | 841 | sea-urchin |
| W4XHR8 | Transporter; | Sp-Slc6a2L; | NULL | 478 | sea-urchin |
| W4ZGQ4 | Uncharacterized protein; | Sp-Top1L; | NULL | 649 | sea-urchin |
| W4ZF55 | Uncharacterized protein; | Sp-Hypp_3121; | NULL | 819 | sea-urchin |
| W4Z9S9 | Uncharacterized protein; | Sp-Slsp_20; | XP_784875.1; | 395 | sea-urchin |
| W4XBZ7 | Uncharacterized protein; | Sp-Ell2; | XP_791824.2; | 411 | sea-urchin |
| W4Z286 | Uncharacterized protein; | Sp-RtL_56; | NULL | 520 | sea-urchin |
| W4ZHK5 | Uncharacterized protein; | Sp-Kirrel2L_5; | NULL | 718 | sea-urchin |
| W4XB45 | Uncharacterized protein; | Sp-Adhfe1_1; | NULL | 94 | sea-urchin |
| W4ZG73 | Uncharacterized protein; | Sp-Wap/Wap_2; | NULL | 602 | sea-urchin |
| W4XE43 | Uncharacterized protein; | NULL | NULL | 39 | sea-urchin |
| W4XDG4 | Uncharacterized protein; | Sp-EchnL_2; | NULL | 393 | sea-urchin |
| W4ZAX2 | Uncharacterized protein; | Sp-Slc17a5_11; | NULL | 566 | sea-urchin |
| W4ZAD2 | Histone H2B; Fragment; | Sp-EhH2b_83; | NULL | 109 | sea-urchin |
