Predicted to enable cytokine activity and cytokine receptor activity. Predicted to be involved in cytokine-mediated signaling pathway and positive regulation of osteoblast differentiation. Predicted to be located in extracellular region and membrane. Predicted to be active in extracellular space and plasma membrane. Is expressed in brain; cardiovascular system; gill; muscle; and pleuroperitoneal region. Human ortholog(s) of this gene implicated in asthma; hepatitis B; immunodeficiency 27A; immunodeficiency 27B; and tuberculosis. Orthologous to human IFNGR1 (interferon gamma receptor 1).