Immunogen sequence: QDPWAAEPRA ACGPSSCYAL FPRRRTFLEA WRACRELGGD LATPRTPEEA QRVDSLVGAG PASRLLWIGL QRQARQCQLQ RPLRGFTWTT GDQDTAFTNW AQPASGGPCP AQRCVALEAS GEHRWLEGSC TLA; Positive Samples: A-375, Mouse spleen, Mouse thymus; Cellular Location: Membrane, Sing