KLK8 GI:21464129 kallikrein 8 isoform 3 1 mgrprpraak twmfllllgg awaenfpdtl ncaevkifpq kkcedaypgq 50 51 itdgmvcags skgadtcqgd sggplvcdga lqgitswgsd pcgrsdkpgv 100 101 ytnicryldw ikkiigskg