Immunogen sequence: IRNDNDSWDY TKPYLGRRDR GKGRQRQAIL GEHPSSFRHD GYGSHGPLLP LPSRYRMGSR DTPELVAYPL PQASSSYMHG GNPSGSVVMV SGLHQLKMNC S; Positive Samples: A-549, DU145, HepG2, 293T, Mouse liver. HNRNPLL is a master regulator of activation-induced alternative