Immunogen sequence: FQNSKFQRDL VTLRTDFSNF TSNTVAEIQA LTSQGSSLEE TIASLKAEVE GFKQERQAGV SELQEHTTQK AHLGHCPHCP SVCVPVHSEM LLRVQQLVQD LKKLTCQVAT LNNNASTEGT C; Positive Samples: U-87MG, K-562, Raji, Mouse testis; Cellular Location: Membrane, Single-pass type