Immunogen sequence: MLAVPNMRFG IFLLWWGWVL ATESRMHWPG REVHEMSKKG RPQRQRREVH EDAHKQVSPI LRRSPDITKS PLTKSEQLLR; Positive Samples: Mouse brain, Rat brain; Cellular Location: Cell junction, Cell membrane, Multi-pass membrane protein, postsynaptic cell membran