| Primary Identifier | MGI:6450060 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Il1a |
| Transmission | Germline | Strain of Origin | C57BL/6NTac |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A point mutation was inserted into exon 5 such that codon 114 is altered from arginine to glutamine. An frt-flanked neomycin selection cassette was removed via Flp-mediated recombination. This mutation renders the encoded protein to be resistant to cleavage by thrombin. |