Immunogen sequence: RTSDVVVAGE FDQGSDEENI QVLKIAKVFK NPKFSILTVN NDITLLKLAT PARFSQTVSA VCLPSADDDF PAGTLCATTG WGKTKYNANK TPDKLQQAAL PLLSNAECKK SWGRRITDVM ICAGASGVSS CMGDSGGPLV CQKDGAWTLV GIVSWGSDTC STSSPGVYAR VTKLIPWVQK ILAAN; Positive Samples: Mouse splee