Immunogen sequence: SAFAKLRKLI PTHPPDKKLS KNETLRLAMR YINFLVKVLG EQSLQQTGVA AQGNILGLFP QGPHLPGLED RTLLENYQVP SPGPSHHIP; Positive Samples: Rat spleen. TAL2 is a helix-loop-helix protein. Translocations between this gene on chromosome 9 and the T-cell recep