APP/PS1 Inserted expressed sequence|Humanized sequence Hu PS1-A246E PS1A246E http://identifiers.org/mgd/MGI:2447335 Tg(PSEN1)5Dbo MGI:2447335 transgene insertion 5, David R Borchelt PS1-A246E Tg(PSEN1*A246E)5Dbo PS1 A246E PS1/A246E