transgene insertion 1, Carmen Birchmeier Tg(Pax7-cre/ERT2)1Cbm Transgene Tg(Pax7-cre/ESR1)1Jejo transgene Tg(Pax7-cre/ESR1)1Cbm Pax7<CreERT2> Tg(Pax7-cre/ESR1)1Cbm|Pax7<CreERT2>|Tg(Pax7-cre/ESR1)1Jejo http://identifiers.org/mgd/MGI:3774421 O MGI:3774421