Immunogen sequence: LPRDTCPNHP DAILVEDYRA GDMICPECGL VVGDRVIDVG SEWRTFSNDK ATKDPSRVGD SQNPLLSDGD LSTMIGKGTG AASFDEFG. Ubiquitin is a 76 amino acid highly conserved eukaryotic polypeptide that selectively marks cellular proteins for proteolytic degradatio