transgene MGI:3640615 Tg(Pomc1-cre)1Lowl|Pomc-Cre O Tg(Pomc1-cre)1Lowl Transgene http://identifiers.org/mgd/MGI:3640615 Tg(Pomc1-cre)16Lowl transgene insertion 16, Bradford B Lowell Pomc-Cre