| Primary Identifier | MGI:1926486 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Igf1r |
| Inheritance Mode | Dominant | Transmission | Germline |
| Strain of Origin | 129S/SvEv-Gpi1<c> | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | Replacement of sequences encoding part of exon 3 with a neomycin resistance gene. |