| Primary Identifier | MGI:2149672 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Hes1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A PGK-neomycin resistance cassette replaced the first three exons including sequences encoding the bHLH region of HES1. Northern blot analysis did not detect transcript in E9.5 homozygous mutant embryos. |
