Western blot of 5-7 ug of mouse cerebellum lysates from wild type (control) and beta 3 knockout (beta 3 K/O) animals showing specific immunolabeling of the ~53k beta 3 subunit of the GABAA-R in the wild type but not in the beta 3 K/O animals when using GABAA Receptor beta 3 antibody (GTX82681).