Inducible|Recombinase Col2CreER<T> MGI:3665440 Tg(Col2a1-cre/ESR1)KA3Smac http://identifiers.org/mgd/MGI:3665440 Tg(Col2a1-cre/ERT)KA3Smac Tg(Col2a1-cre/ESR1)1Smac transgene insertion KA3, Susan Mackem