| Primary Identifier | MGI:2683282 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Egr1 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A lacZ-neomycin cassette was inserted between the promoter and coding sequence. There was also a frame shift at the beginning of the DNA binding domain. In situ hybridization studies confirmed the absence of product while LTP-inducible expression of LacZ was demonstrated. |