transgene MGI:3056892 Tg(CMV-rtTA)4Bjd transgene insertion 4, Hermann Bujard Transgene Tg(rtTAhCMV)4Uh|Tg(rtTAhCMV)4Bjd Tg(rtTAhCMV)4Bjd http://identifiers.org/mgd/MGI:3056892 Tg(rtTAhCMV)4Uh O