>gi|21040362 beta-site APP-cleaving enzyme 2 isoform B preproprotein [Homo sapiens] MGALARALLLPLLAQWLLRAAPELAPAPFTLPLRVAAATNRVVAPTPGPG TPAERHADGLALALEPALASPAGAANFLAMVDNLQGDSGRGYYLEMLIGT PPQKLQILVDTGSSNFAVAGTPHSYIDTYFDTERSSTYRSKGFDVTVKYT QGSWTGFVGEDLVTIPKGFNTSFLVNIATIFESENFFLPGIKWNGILGLA YATLAKPSSSLETFFDSLVTQANIPNVFSMQMCGAGLPVAGSGTNGGSLV LGGIEPSLYKGDIWYTPIKEEWYYQIEILKLEIGGQSLNLDCREYNADKA IVDSGTTLLRLPQKVFDAVVEAVARASLIPEFSDGFWTGSQLACWTNSET PWSYFPKISIYLRDENSSRSFRITILPQKLQVLQCLKFPGLSQQRM