Tg(KRT14-MAP2K1/Esr1)12Pkha CA-Mek1:ER (line 12) Inserted expressed sequence|Constitutively active|Humanized sequence|Inducible K14-Mek1:ER (line 12) CA-Mek1:ER transgene insertion 12, Paul A Khavari Mek1:ER M1E-12 http://identifiers.org/mgd/MGI:3700387 MGI:3700387