List of well studied ETS proteins and their distribution among species
| Species | The number of ETS proteins | Proteins |
|---|
| Homo sapiens | 24 | SPI (B and C), ETV (1-7), ELF (1-5), SPI1 (a.k.a. PU1), ELK (1 and 4, a.k.a. SAP2 and SAP1), ETS (1 and 2), GABP alpha, ERF, SPDEF, FLI1, ERG |
| Mus musculus | 23 | SPI (B and C), ETV (1-6), ELF (1, 2, 4, 5), SPI1 (a.k.a. PU1), ELK (1 ,3 ,4),ETS (1 and 2), GABP alpha, ERF, SPDEF, FLI1, ERG |
| Rattus norveqicus | 3 | ETS1, SPI1, SPIB |
| Bos taurus | 1 | ELF5 |
| Sus scrofa | 1 | SPI1 |
| Gallus gallus | 4 | ETS1 (A and B), ETS2, ERG |
| Drosophila melanogaster | 9 | ETS (3, 4 and 6), ELG, POK, E74E (A and B), PNT (1 and 2) |
| Xenopus laevis | 5 | FLI1, ETS1 (A and B), ETS1 (A and B) |
| Danio rerio | 1 | PEA3 |
| Avian leukemia virus E26 | 1 | MYBE_AVILE |