| Primary Identifier | MGI:3581451 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence, Null/knockout | Gene | Kras |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A cassette containing Hras1 cDNA and a neo was fused in-frame with exon 2 such that synthesis of any Kras product would be abolished. Kras protein was undetectable in mutants. Hras1 protein was demonstrated to be present in brain, heart, liver, lung and spinal cord of mutants. |
