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. 2021 Mar 24;27(3):212–229. doi: 10.1177/17534259211001512

Appendix Table 2.

A list of some common human NK cell receptors and their corresponding ligands.

Receptor Ligand
Non-HLA-specific receptors
Co-receptors
 CD59 LFA-2 (CD2)
 NTB-A (CD352) NTB-A (CD352)
 NKp80 AICL (activation-induced C-type lectin)
 DNAM-1 (226) Nectin-2 (CD112), PVR (CD155)
 2B4 (244) CD48
Activating
 NKp30 (CD337) B7-H6, BAG6/BAT3, HCMV-pp65, heparin sulfate
 NKp44 (CD336) 21spe-MLL5-Nidogen-1, viral HA, proliferating nuclear cell Ag (PCNA)
 NKp46 (CD335) CFP (complement factor P)/properdin, viral HA and HN, PfEMP1, heparin sulfate
 NKG2D (CD314) MIC-A, MIC-B, ULBP 1-6
 FcγRIII (CD16) IgG
Inhibitory
 PD-1 (CD279) PD-L1 (CD274), PD-L2 (CD273)
 Siglec-7 (CD328) Ganglioside DSGb5
 IRP60 (CD300a) Phosphatidylethanolamine, phosphatidylserine, Pseudorabide virus, α-Herpesvirus
 Tactile (CD96) PVR (CCD155)
 IL1R8 IL-37
 TIGIT PVR (CD155)
 TIM-3 Gal-9, PtdSer, HMGB1, CEACAM1
HLA-specific receptors
Activating
 KIR2DS1 HLA-C2
 KIR2DS2/3 unknown
 KIR2DL4 HLA-G
 KIR2DS4 HLA-A*11 and some HLA-C
 KIR2DS5 HLA-C2 (variable)
 KIR3DS1 HLA-Bw4, HLA-F
 NKG2C HLA-E
Inhibitory
 NKG2A HLA-E
 KIR2DL1 HLA-C2
 KIR2DL2/3 HLA-C1, HLA-C2, few HLA-Bb
 KIR2DL5 unknown
 KIR3DL1 HLA-A-Bw4, HLA-B-Bw4
 KIR3DL2 HLA-A*03, HLA-A*11
 ILT2/LIR-1 Different MHC-I alleles
 LAG-3 (CD223) MHC-II