Positive Samples: U-87MG, HepG2; Cellular Location: Cell junction, Cell membrane, Multi-pass membrane protein, postsynaptic cell membrane, synapse Immunogen sequence: SPETPPGRCC RCCRAPRLLQ AYSWKEEEEE DEGSMESLTS SEGEEPGSEV VIKMPMVDPE AQAPTKQPPR SSPNTVKRPT