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  Domain Name: IFNGR1
Interferon gamma receptor (IFNGR1). This family consists of several eukaryotic and viral interferon gamma receptor proteins. Molecular interactions among cytokines and cytokine receptors in eukaryotes form the basis of many cell-signaling pathways relevant to immune function. Human interferon-gamma (IFN-gamma) signals through a multimeric receptor complex consisting of two different but structurally related transmembrane chains: the high-affinity receptor-binding subunit (IFN-gammaRalpha) and a species specific accessory factor (AF-1 or IFN-gammaRbeta). The vaccinia viral interferon gamma receptor has been shown to be secreted from infected cells during early infection. The structure has been halved such that the N-terminus of this family is now represented by Tissue_fac pfam01108.