CaSR immunolocalization in HEK293 cells stably expressing the human CaSR. Immunofluorescence using 8 different anti-CaSR antibodies: N-term1 (Abcam), N-term2 (Anaspec), N-term3 (W. Chang), N-term4 (W. Chang), N-term5 (W. Chang), C-term1 (W. Chang), C-term2 (Lifespan), and full length (Novus). Scale bar = 30 μm.