Enables C-X-C chemokine receptor activity. Involved in T cell chemotaxis; calcium-mediated signaling; and positive regulation of cytosolic calcium ion concentration. Located in external side of plasma membrane. Used to study dilated cardiomyopathy; high grade glioma; myocarditis; and renovascular hypertension. Biomarker of middle cerebral artery infarction. Human ortholog(s) of this gene implicated in asthma. Orthologous to human CXCR3 (C-X-C motif chemokine receptor 3). [provided by Alliance of Genome Resources, Apr 2022]