| Primary Identifier | MGI:5306912 | Allele Type | Spontaneous |
| Gene | Col3a1 | Strain of Origin | 129P2/OlaHsd |
| Is Recombinase | false | Is Wild Type | false |
| description | Isolated from ES cells targeted to produce Mrotm1H. |
| molecularNote | The 185 kb deletion encompasses the first 38 exons. |