Immunogen sequence: RHCGHCPEEW ITYSNSCYYI GKERRTWEES LLACTSKNSS LLSIDNEEEM KFLSIISPSS WIGVFRNSSH HPWVTMNGLA FKHEIKDSDN AELNCAVLQV NRLKSAQCGS SIIYHCKHKL; Positive Samples: Mouse testis, Mouse liver; Cellular Location: Membrane, Single-pass type II membran