Immunogen sequence: GPVPTPPDNI QVQENFNISR IYGKWYNLAI GSTCPWLKKI MDRMTVSTLV LGEGATEAEI SMTSTRWRKG VCEETSGAYE KTDTDGKFLY HKSKWNITME SYVVHTNYDE YAIFLTKKFS RHHGPTITAK LYGRAPQLRE TLLQDFRVVA QGVGIPEDSI FTMADRGECV PGEQEPEPIL IPR Positive Samples: CEM, U-251MG.