From: Genome-wide identification and evolution of ATP-binding cassette transporters in the ciliate Tetrahymena thermophila: A case of functional divergence in a multigene family
Family
2 repeats
3 repeats
4 repeats
5 repeats
6 repeats
11 repeats
n
ABCA
2
-
1
3
ABCB
ABCC
5
ABCG
6