Stop<flox>TgfbRI<CA> Hprt<tm1(CAG-Tgfbr1*)Lba> TGFbetaRI<CA> TbetaRI<CA> targeted mutation 1, Laurent Bartholin LSL-TbetaRI<CA> MGI:3846738 Constitutively active|Conditional ready|Inserted expressed sequence http://identifiers.org/mgd/MGI:3846738