| Primary Identifier | MGI:7290474 | Allele Type | Endonuclease-mediated |
| Attribute String | Null/knockout | Gene | Il21 |
| Inheritance Mode | Not Specified | Strain of Origin | C57BL/6JSmoc |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | The Il21 knockout mouse model was obtained by knocking out the exon 3-5 region of mouse Il21 gene. |