| Primary Identifier | MGI:1857196 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Il4 |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette was inserted into exon 3 of the gene. |