BACE2 GI:21040362 beta-site APP-cleaving enzyme 2 isoform B preproprotein 1 mgalaralll pllaqwllra apelapapft lplrvaaatn rvvaptpgpg 50 51 tpaerhadgl alalepalas pagaanflam vdnlqgdsgr gyylemligt 100 101 ppqklqilvd tgssnfavag tphsyidtyf dtersstyrs kgfdvtvkyt 150 151 qgswtgfvge dlvtipkgfn tsflvniati fesenfflpg ikwngilgla 200 201 yatlakpsss letffdslvt qanipnvfsm qmcgaglpva gsgtnggslv 250 251 lggiepslyk gdiwytpike ewyyqieilk leiggqslnl dcreynadka 300 301 ivdsgttllr lpqkvfdavv eavaraslip efsdgfwtgs qlacwtnset 350 351 pwsyfpkisi ylrdenssrs fritilpqkl qvlqclkfpg lsqqrm