KLK3 GI:4502173 prostate specific antigen isoform 1 preproprotein 1 mwvpvvfltl svtwigaapl ilsrivggwe cekhsqpwqv lvasrgravc 50 51 ggvlvhpqwv ltaahcirnk svillgrhsl fhpedtgqvf qvshsfphpl 100 101 ydmsllknrf lrpgddsshd lmllrlsepa eltdavkvmd lptqepalgt 150 151 tcyasgwgsi epeefltpkk lqcvdlhvis ndvcaqvhpq kvtkfmlcag 200 201 rwtggkstcs gdsggplvcn gvlqgitswg sepcalperp slytkvvhyr 250 251 kwikdtivan p