Tg(MMTV-Notch4)3Rnc http://identifiers.org/mgd/MGI:1930200 transgene insertion 3, Robert Callahan TgN(MMTVInt3)3Rnc MMTV LTR-INT3 Inserted expressed sequence MGI:1930200 FF1 int-3 MMTV-int-3 FVB-3