From: Identification and characterization of two CD4 alleles in Microminipigs
CD4 type
Regions of CD4 molecule
D 1
JR 1
D 2
JR 2
D 3
JR 3
D 4
JR 4
TM
CP
The number of amino-acid substitutions
CD4.A
1
0
2
CD4.B
10