Positive Samples: Mouse eye, Mouse brain, Rat brain Immunogen sequence: MDPPAEKPGE AGGLQITPQL LKSRTGEFSL ESILLLKLRG LGLADLGCLG ECLGLEWLDL SGNALTHLGP LASLRQLAVL NVSNNRLTGL EPLATCENLQ SLNAAGNLLA TPGQLQCLAG LPCLEYLRLR DPLARLSNPL CANPSYWAAV RELLPGLKVI DGERVI