Gt(ROSA)26Sor<tm1(Tva)Dsa> LSL-R26<Tva-lacZ> MGI:3814188 R26<LSL-TVAilacZ> Reporter|Conditional ready|Inserted expressed sequence targeted mutation 1, Dieter Saur LSL-R26<lacZ> http://identifiers.org/mgd/MGI:3814188