| Primary Identifier | MGI:2179130 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Col1a1 |
| Transmission | Germline | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A gene targeting event resulted in the deletion of exon 2 and a silent single base mutation in exon 7. |