| Primary Identifier | MGI:1857230 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Notch1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Deletion of sequences encoding the EGF repeats 28 to 36, three Notch repeats, the transmembrane domain and CDC10/SWI6 repeats, and replacement with a neomycin gene. |