http://identifiers.org/mgd/MGI:2677720 Tg(CAG-cre/Esr1)1Lbe beta-actin-CreER pCX-CreER<TM> Tg(ACTB-cre/Esr1)1Lbe transgene insertion 1, Corrinne Lobe Tg(CAG-cre/Esr1*)1Lbe MGI:2677720 CAGG-CreER Inducible|Recombinase CX-CreERx actin-creER