Immunogen sequence: MSGISPQQMG EPEGSWSGKN PGTMGASRLY TLVLVLQPQR VLLGMKKRGF GAGRWNGFGG KVQEGETIED GARRELQEES GLTVDALHKV GQIVFEFVGE PELMDVHVFC TDSIQGTPVE SDEMRPCWFQ LDQIPFKDMW PDDSYWFPLL LQKKKFHGYF KFQGQDTILD YTLREVDTV; Positive Samples: SW480, K-562, 22Rv