UNG GI:6224979 uracil-DNA glycosylase isoform UNG1 precursor 1 mgvfclgpwg lgrklrtpgk gplqllsrlc gdhlqaipak kapagqeepg 50 51 tppssplsae qldriqrnka aallrlaarn vpvgfgeswk khlsgefgkp 100 101 yfiklmgfva eerkhytvyp pphqvftwtq mcdikdvkvv ilgqdpyhgp 150 151 nqahglcfsv qrpvppppsl eniykelstd iedfvhpghg dlsgwakqgv 200 201 lllnavltvr ahqanshker gweqftdavv swlnqnsngl vfllwgsyaq 250 251 kkgsaidrkr hhvlqtahps plsvyrgffg crhfsktnel lqksgkkpid 300 301 wkel