Tg(Ckm-APP*K670N*M671L)A6Lfa Inserted expressed sequence http://identifiers.org/mgd/MGI:3720796 transgene insertion A6, Frank M LaFerla A6 line MGI:3720796 Tg(Ckm-APP*Swe)A6Lfa Tg(Ckm-APPSw)A6Lfa