| Primary Identifier | MGI:3521938 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Mmp13 |
| Transmission | Germline | Strain of Origin | 129S2/SvPas |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exons 3-5 were replaced with a single loxP site following homologous recombination and subsequent Cre-mediated excision of the floxed segment. Western blot showed that no protein was created in the mutant mice. |