Positive Samples: BT-474, Mouse thymus Immunogen sequence: HVSTIKPRRI QNQNVIHRLE RRRISSGKAG THWHQVRVFH QNVFPNFTVV NVEKPPCFLR KFSPDGRYFI AFSSDQTSLE IYEYQGCQAA EDLLQGYEGE ILSNGNDQRS VNIRGRLFER FFVLLHITNV AANGEHLNRE CSLFTDDCRC VIVGSAAYLP DEPHPPFFEV YRNSESVT