| Primary Identifier | MGI:7493617 | Allele Type | Targeted |
| Attribute String | Null/knockout, Reporter | Gene | Il33 |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A null/knockout allele was created by cre recombinase expression in mice to remove the neo selection cassette and loxP-flanked critical exon(s), leaving the lacZ sequence. |