| Primary Identifier | MGI:4440742 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Bhlhe22 |
| Transmission | Germline | Strain of Origin | 129/Sv |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The single exon of Bhlhe22 was replaced with a PGK-neo cassette by homologous recombination in ES cells, resulting in a null allele. |