Immunogen sequence: LRKLFTDLFD RKGYMFDYEY DWIGKQLPTP VGAVQQDPAL SSNREAHQHR DKMQQSKNQV VSSTNGELNT DDPTAGRSNA PITAPTEVEV MDETNCQKVL NMWCCCFFKR RKRKTIQRHK; Positive Samples: Mouse eye, Mouse brain, Rat heart; Cellular Location: Cytoplasm. The casein kinase