UBE2L3 GI:38157976 ubiquitin-conjugating enzyme E2L 3 isoform 2 1 maasrrlmke leeirkcgmk nfrniqvdea nlltwqgliv pdnppydkga 50 51 frieinfpae ypfkppkitf ktkiyhpnid ekgqvclpvi saenwkpatk 100 101 tdqetsafpi maslrsslev l