Table 1.
Zebrafish ahr Genes and Their Respective Translation Products
| Characteristic | AHR2 | AHR1a | AHR1b |
|---|---|---|---|
| Zebrafish chromosome/linkage group | 22 | 16 | 22 |
| Mammalian orthologs | — | AHR | — |
| Amino acid length (aa) | 1027 | 805 | 954 |
| Predicted molecular mass of protein (kDa) | 113 | 90.4 | 104.8 |
| Overall amino acid identity comparison with human AHR (%) | 51 | 52 | 67 |
| Amino acid identity comparison with human AHR ligand-binding domain (%) | 71 | 68 | 71 |
| Overall amino acid identity comparison with AHR1b (%) | 45 | 44 | 100 |
| Conserved N-terminal halves identity comparison with AHR1b protein (%) | 66 | 63 | 100 |