| Primary Identifier | MGI:3775803 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Bhlhe40 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Germ-line cre-mediated recombination was used to remove exons 1 through 4. The absence of transcript was confirmed by RT-PCR on hippocampus extracts. |