Tg(Col2a1-cre/ESR1)1Smac http://identifiers.org/mgd/MGI:3665434 Col2CreER<T> O Tg(Col2a1-cre/ESR1)KA3Smac transgene Col2CreER<T>|Tg(Col2a1-cre/ESR1)KA3Smac|Tg(Col2a1-cre/ESR1)1Smac transgene insertion KA3, Susan Mackem Transgene Tg(Col2a1-cre/ERT)KA3Smac MGI:3665434