| Primary Identifier | MGI:1857201 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Il12b |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced a portion of exon 3 of the gene. |