| Background | either: (involves: 129S1/Sv * 129X1/SvJ * C57BL/6J) or (involves: 129S1/Sv * 129X1/SvJ * Swiss Webster) | Zygosity | cx |
| Has Mutant Allele | true | Exists As | Mouse Line |
| Is Conditional | false | Name | En1 |
| Primary Identifier | MGI:5439544 |