Table 1: KIRs molecules and their HLA ligands.

KIRs Ligand 2DL1 HLA-C2 2DS1 HLA-C2 2DL2 HLA-C1 2DL3 HLA-C1 2DS2 HLA-C1 2DL4 HLA-G 2DL5 Unknown 2DS3 Unknown 2DS4 HLA-A11, HLA-C 2DS5 Unknown 3DL1 HLA-Bw4 3DS1 HLA-Bw480I 3DL2 HLA-A3,11 3DL3 Unknown