Immunogen sequence: VFKDWIRDQL NLFINNNVKA YRDDIDLQNL IDFAQEYWSC CGARGPNDWN LNIYFNCTDL NPSRERCGVP FSCCVRDPAE DVLNTQCGYD VRLKLELEQQ GFIHTKGCVG QFEKWLQDN; Positive Samples: Mouse stomach; Cellular Location: Membrane, Multi-pass membrane protein. Regulates A