Immunogen sequence: QITTIGNLVP QKTYSVKVLA FTSIGDGPLS SDIQVITQTG VPGQPLNFKA EPESETSILL SWTPPRSDTI ANYELVYKDG EHGEEQRITI EPGTSYRLQG; Positive Samples: HT-1080, DU145, B cells, Mouse heart; Cellular Location: Membrane, Single-pass type I membrane protein. P