R1.40 Tg(APPSw)40Btla transgene syntenic Transgene MGI:3510557 R1.40-YAC transgene insertion 40, Bruce Lamb http://identifiers.org/mgd/MGI:3510557 O R1.40-YAC|R1.40|APP<K670N/M671L>|APP<K670/M671> APP<K670N/M671L> APP<K670/M671>