CJD-A21|Tg(CJD)|Tg(CJD-A21)|moPrP D177N/V128 O transgene insertion A21, Roberto Chiesa Tg(CJD) Transgene Tg(Prnp*D177N*M128V)A21Rchi CJD-A21 Tg(CJD-A21) moPrP D177N/V128 transgene http://identifiers.org/mgd/MGI:3836987 MGI:3836987