Immunogen sequence: MPLARDLLHP SLEEEKKKHK KKRLVQSPNS YFMDVKCPGC YKITTVFSHA QTVVLCVGCS TVLCQPTGGK ARLTEGCSFR RKQH; Positive Samples: 293T, HepG2, SH-SY5Y, Mouse liver, Mouse pancreas, Rat heart, Rat liver. Ubiquitin, a highly conserved protein that has a