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Table 1 IgA Cα gene in different mammalian species

From: Are anti-HIV IgAs good guys or bad guys?

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) 17
Gibbon (2) Cα1 9
  Cα2 6  
Rhesus macaque (1) 7 [2],[10]-[12]
Baboon (1) 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) 12  
Pig (1) 9  
Bovine (1) 9  
Dog (1) 11