| Primary Identifier | MGI:2180371 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Atf4 |
| Transmission | Germline | Strain of Origin | 129X1/SvJ |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The entire coding region was replaced with a targeting construct containing a neomycin gene under the control of a PGK promoter. Northern blot analysis using a probe specific to exon 3 showed a lack of message in homozygous mutant mice, while Western blot analysis did not detect protein expression. |