>tr|X2JAX3|X2JAX3_DROME E2 ubiquitin-conjugating enzyme OS=Drosophila melanogaster GN=Ubc4 MANMAVSRIKREFKEVMRSEEIVQCSIKIELVNDSWTELRGEIAGPPDTPYEGGKFVLEI KVPETYPFNPPKVRFITRIWHPNISSVTGAICLDILKDNWAAAMTLRTVLLSLQALLAAA EPDDPQDAVVAYQFKDKYDLFLLTAKHWTNAYAGGPHTFPDCDSKIQRLRDMGIDEHEAR AVLSKENWNLEKATEGLFS