Table 1 IgA Cα gene in different mammalian species
| Species (number of Cα genes) | Cα Gene | Hinge length region (aa) | References |
|---|---|---|---|
| Human (2) | Cα1 | 19 | [2],[10] |
| Cα2 | 6 | ||
| Gorilla (2) | Cα1 | 19 | [2],[10]-[12] |
| Cα2 | 6 | ||
| Chimpanzee (2) | Cα1 | 19 | |
| Cα2 | 6 | ||
| Orangutan (1) | Cα | 17 | |
| Gibbon (2) | Cα1 | 9 | |
| Cα2 | 6 | ||
| Rhesus macaque (1) | Cα | 7 | [2],[10]-[12] |
| Baboon (1) | Cα | 7 | |
| Rabbit (13) | Cα1 | 10 | [2],[13]-[17] |
| Cα2 | 23 | ||
| Cα3 | 23 | ||
| Cα4 | 23 | ||
| Cα5 | 23 | ||
| Cα6 | 23 | ||
| Cα7 | 10 | ||
| Cα8 | Not expressed | ||
| Cα9 | 10 | ||
| Cα10 | 15 | ||
| Cα11 | 10 | ||
| Cα12 | 8 | ||
| Cα13 | 22 | ||
| Mouse (1) | Cα | 12 | |
| Pig (1) | Cα | 9 | |
| Bovine (1) | Cα | 9 | |
| Dog (1) | Cα | 11 |