| Primary Identifier | MGI:7290452 | Allele Type | Targeted |
| Attribute String | Humanized sequence, Inserted expressed sequence | Gene | Il1b |
| Inheritance Mode | Not Specified | Transmission | Germline |
| Strain of Origin | BALB/c | Is Recombinase | false |
| Is Wild Type | false |
| molecularNote | The endogenous mouse Il1b gene was replaced by human IL1B gene. |