Encyclopedia > K > Killer-cell immunoglobulin-like receptor
Killer-cell immunoglobulin-like receptor
Killer-cell immunoglobulin-like receptors (KIRs), are a family of cell surface proteins found on important cells of the immune system called natural killer (NK) cells. They regulate the killing function of these cells by interacting with MHC class I molecules, which are expressed on all cell types.
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