| Primary Identifier | MGI:2388024 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Ddr1 |
| Transmission | Germline | Strain of Origin | (129X1/SvJ x 129S1/Sv)F1-Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 1-12 were deleted and replaced with a neomycin resistance gene via homologous recombination. Absence of gene expression in homozygous mutant animals was confirmed by Western blot analysis of embryonic protein extracts. |