KLK3 GI:71834857 prostate specific antigen isoform 5 preproprotein 1 mwvpvvfltl svtwigaapl ilsrivggwe cekhsqpwqv lvasrgravc 50 51 ggvlvhpqwv ltaahcirnk svillgrhsl fhpedtgqvf qvshsfphpl 100 101 ydmsllknrf lrpgddssie peefltpkkl qcvdlhvisn dvcaqvhpqk 150 151 vtkfmlcagr wtggkstcsg dsggplvcng vlqgitswgs epcalperps 200 201 lytkvvhyrk wikdtivanp