Tg(Prnp-SNCA*A53T)AAub http://identifiers.org/mgd/MGI:3723251 PrPmtA|Tg(Prnp-SNCA*A53T)BAub|A53T|PrPmtB PrPmtA O A53T PrPmtB transgene insertion A, Georg Auburger Tg(Prnp-SNCA*A53T)BAub Transgene MGI:3723251 transgene