http://identifiers.org/mgd/MGI:5583839 Gt(ROSA)26Sor<tm1(CAG-cas9*,-EGFP)Fezh> targeted mutation 1, Feng Zhang Gt(ROSA)26Sor<tm1(CAG-xstpx-cas9,-EGFP)Fezh> Cre-dependent Cas9 Conditional ready|Inserted expressed sequence|Reporter Rosa26-LSL-Cas9 MGI:5583839