Immunogen sequence: TGQVGQPAAT ADSGTSNGNQ LVSTPTNTTT SASTMPESPS SSTTCTTTAS TSLTSSDTLV SSADTGQYAS TSASSSERTI EESQTPAATE SEAQSSSQLQ PNGMQNAQDQ SNSLQQVQIV GQPILQQIQI QQPQQQIIQA IPPQSFQLQS GQTIQTIQQQ P; Positive Samples: Mouse thymus, Mouse spleen, Mouse pan