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. Author manuscript; available in PMC: 2009 Jun 1.
Published in final edited form as: Curr Opin Immunol. 2008 Apr 23;20(3):344–352. doi: 10.1016/j.coi.2008.03.005

Table 2.

Specificity and signalling of human NK cell inhibitory receptors

Receptor Signaling Cellular ligand Function
KIR (CD158) ITIM HLA class I alleles Assess loss of MHC class I alleles
LIR1, LILR1 (CD85j) ITIM HLA class I Assess loss of MHC class I expression
CD94/NKG2A (CD159a) ITIM HLA-E Gauge MHC class I expression
KLRG1 ITIM E-, N-, P-cadherin Assess loss of tissue integrity
NKR-P1 (CD161) ITIM LLT1 ?
LAIR-1 (CD305) ITIM Collagen Control activation in extracellular matrix
Siglec-7 (CD328) ITIM Sialic acid ?
Siglec-9 (CD329) ITIM Sialic acid ?
IRp60 (CD300a) ITIM ? ?