BACE1 GI:21040366 beta-site APP-cleaving enzyme 1 isoform B 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 glayaeiarl cgagfplnqs 200 201 evlasvggsm iiggidhsly tgslwytpir rewyyeviiv rveingqdlk 250 251 mdckeynydk sivdsgttnl rlpkkvfeaa vksikaasst ekfpdgfwlg 300 301 eqlvcwqagt tpwnifpvis lylmgevtnq sfritilpqq ylrpvedvat 350 351 sqddcykfai sqsstgtvmg avimegfyvv fdrarkrigf avsachvhde 400 401 frtaavegpf vtldmedcgy nipqtdestl mtiayvmaai calfmlplcl 450 451 mvcqwrclrc lrqqhddfad disllk