| Primary Identifier | MGI:5306047 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Igf1r |
| Transmission | Germline | Strain of Origin | 129 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 was flanked by a floxed neo cassette in intron 2 and a single loxP site in intron 3. Subsequently, properly targeted mice were crossed to cre expressing mis leading to germ line excision of exon 3. |
