UBE2V1 GI:73765546 ubiquitin-conjugating enzyme E2 variant 1 isoform d 1 maattgsgvk vprnfrllee leegqkgvgd gtvswgledd edmtltrwtg 50 51 miigpprtiy enriyslkie cgpkypeapp fvrfvtkinm ngvnssngvv 100 101 dpraisvlak wqnsysikvv lqelrrlmms kenmklpqpp egqcysn