MGI:5491024 EF1a<lslN1-IC> targeted mutation 2, Argiris Efstratiadis Ef1a1-lsl-Notch1<IC1> EF1-Notch1-IC http://identifiers.org/mgd/MGI:5491024 No functional change|Conditional ready Eef1a1<tm2(Notch1)Arge> Eef1a1<tm2Arge>