| Primary Identifier | MGI:5604770 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Esr2 |
| Transmission | Germline | Strain of Origin | C57BL/6NTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A floxed TK-neo selection cassette was inserted downstream of exon 3 and a third loxP site was inserted upstream. The selection cassette and exon 3 were subsequently removed from properly targeted mice by cre excision. |