Predicted to enable CXCR3 chemokine receptor binding activity and chemokine activity. Acts upstream of or within several processes, including defense response to virus; positive regulation of myoblast differentiation; and positive regulation of myoblast fusion. Located in external side of plasma membrane and extracellular space. Is expressed in central nervous system; retina; stomach; testis; and thymus. Orthologous to human CXCL9 (C-X-C motif chemokine ligand 9). [provided by Alliance of Genome Resources, Apr 2022]