| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| E2R1S3 | Uncharacterized protein; | CAPN15; | NULL | 1085 | dog |
| E2R5I7 | Uncharacterized protein; | ZMYM1; | NULL | 1073 | dog |
| E2R5W1 | Uncharacterized protein; | LOC482849; | NULL | 761 | dog |
| E2R8Z5 | Uncharacterized protein; | KRT5; | NULL | 596 | dog |
| E2R2A6 | Uncharacterized protein; | RARB; | XP_850755.1; | 448 | dog |
| E2RAB8 | Multidrug and toxin extrusion protein; Fragment; | SLC47A2; | NULL | 576 | dog |
| E2RA51 | Uncharacterized protein; | KCTD20; | XP_005627332.1;XP_005627333.1;XP_851862.1; | 419 | dog |
| E2RAE6 | Uncharacterized protein; | SNX5; | XP_003639883.1;XP_005634811.1; | 404 | dog |
| E2R990 | Uncharacterized protein; | CNOT1; | NULL | 2380 | dog |
| E2R5A4 | Uncharacterized protein; | ATG4C; | XP_005620270.1;XP_005620271.1;XP_005620272.1;XP_005620273.1;XP_852273.1; | 458 | dog |
| E2RHA6 | Uncharacterized protein; | ZFYVE20; | XP_541756.2; | 782 | dog |
| E2R6M9 | Olfactory receptor; | LOC100683660; | XP_003639001.1; | 312 | dog |
| E2RE67 | Uncharacterized protein; | CRIP1; | NULL | 78 | dog |
| E2RIU8 | Uncharacterized protein; | THNSL2; | XP_005630517.1;XP_005630518.1;XP_532965.2; | 484 | dog |
| E2RIV6 | Uncharacterized protein; | ESCO1; | XP_005623073.1;XP_005623074.1; | 848 | dog |
| E2RMJ3 | Uncharacterized protein; | SLC14A2; | NULL | 929 | dog |
| E2RLT9 | Uncharacterized protein; | SLC20A2; | XP_005629849.1;XP_005629850.1;XP_005629851.1;XP_005629852.1;XP_005629853.1;XP_005629854.1;XP_005629855.1;XP_539953.2; | 653 | dog |
| E2RLJ4 | Uncharacterized protein; | NYAP1; | XP_005621103.1; | 840 | dog |
| E2RB60 | Uncharacterized protein; | ODF2L; | XP_547300.3; | 591 | dog |
| E2RJD5 | Uncharacterized protein; | LOC478844; | XP_536006.4; | 263 | dog |
