Predicted to enable cytokine activity and type I interferon receptor binding activity. Predicted to be involved in several processes, including B cell activation; lymphocyte activation involved in immune response; and positive regulation of peptidyl-serine phosphorylation of STAT protein. Predicted to act upstream of or within defense response to virus. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Is expressed in alimentary system; brain; genitourinary system; and skin. Orthologous to human IFNK (interferon kappa). [provided by Alliance of Genome Resources, Apr 2022]