Immunogen sequence: SMLYPLSHGF RKAIAERHGN LCLDKINVLH KPPYEHPKDL KLSDGRLRVG YVSSDFGNHP TSHLMQSIPG MHNPDKFEVF CYALSPDDGT NFRVKVMAEA NHFIDLSQIP CNGKAADRIH QDGIHILVNM NGYTKGARNE LFALRPAPIQ AMWLGYPGTS GALFMDYIIT DQETSPAEVA EQYSEKLAYM Positive Samples: 293T, S