>tr|A0A452RKM6|A0A452RKM6_URSAM E2 ubiquitin-conjugating enzyme OS=Ursus americanus GN=UBE2E1 MSDDDSRASTSSSSSSSSNQQTEKETNTPKKKESKVSMSKNSKLLSTSAKRIQKELADIT LDPPPNCSAGPKGDNIYEWRSTILGPPGSVYEGGVFFLDITFTPEYPFKPPKVTFRTRIY HCNINSQGVICLDILKDNWSPALTISKVLLSICSLLTDCNPADPLVGSIATQYMTNRAEH DRMARQWTKRYAT