Positive Samples: Mouse thymus, Rat thymus, Rat spleen Immunogen sequence: MVVSTKTPDR KLIFGKGNFE HLTEKIRGSP DITCVFLNVE RMAAPTKKEL EAAWGVEVFD RFTVVLHIFR CNARTKEARL QVALAEMPLH RSNLKRDVAH LYRGVGSRYI MGSGESFMQL QQRLLREKEA KIRKALDRLR KKRHLLRRQR TRREFPVISV VGY