Immunogen sequence: LEKLPALLFM QQPRHHCARQ RLRLRRRQRE REGAGALFFR EAPGADSCTC FVNRASVQGL AGAFGAEPAP VAGPGRSGEP CGCGLREAVD G; Positive Samples: HepG2, SH-SY5Y, Mouse liver, Rat liver; Cellular Location: Cell junction, Cell membrane, Multi-pass membrane prote