| Primary Identifier | MGI:7290499 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Il31 |
| Inheritance Mode | Not Specified | Strain of Origin | C57BL/6JSmoc |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | Exon 3 of Il31 gene was deleted to generate Il31 knockout mice. |