Immunogen sequence: VIKFILLVVV PLPACLNPLL YILFNPHFKE DLVSLRKQTY VWTRSKHPSL MSINSDDVEK QSCDSTQALV TFTSSSITYD LPPSSVPSPA YPVTESCHLS SVAFVPCL. G protein-coupled receptor GPR49 has been reported to be expressed in brain, skeletal muscle, placenta, and spinal