BACE1 GI:6912266 beta-site APP-cleaving enzyme 1 isoform A preproprotein 1 maqalpwlll wmgagvlpah gtqhgirlpl rsglggaplg lrlpretdee 50 51 peepgrrgsf vemvdnlrgk sgqgyyvemt vgsppqtlni lvdtgssnfa 100 101 vgaaphpflh ryyqrqlsst yrdlrkgvyv pytqgkwege lgtdlvsiph 150 151 gpnvtvrani aaitesdkff ingsnwegil glayaeiarp ddslepffds 200 201 lvkqthvpnl fslqlcgagf plnqsevlas vggsmiiggi dhslytgslw 250 251 ytpirrewyy eviivrvein gqdlkmdcke ynydksivds gttnlrlpkk 300 301 vfeaavksik aasstekfpd gfwlgeqlvc wqagttpwni fpvislylmg 350 351 evtnqsfrit ilpqqylrpv edvatsqddc ykfaisqsst gtvmgavime 400 401 gfyvvfdrar krigfavsac hvhdefrtaa vegpfvtldm edcgynipqt 450 451 destlmtiay vmaaicalfm lplclmvcqw rclrclrqqh ddfaddisll 500 501 k