Cytokine receptor that binds to B-lymphocyte chemoattractant (BLC). Involved in B-cell migration into B-cell follicles of spleen and Peyer patches but not into those of mesenteric or peripheral lymph nodes. May have a regulatory function in Burkitt lymphoma (BL) lymphomagenesis and/or B-cell differentiation. Expression in mature B-cells and Burkitt lymphoma cells. Belongs to the G-protein coupled receptor 1 family. CXC chemokine receptors entry