| Primary Identifier | MGI:1857440 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Il12rb1 |
| Transmission | Germline | Strain of Origin | 129S1/Sv-Oca2<+> Tyr<+> Kitl<+> |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced exons 1 to 3 of the gene, deleting the ATG translation initiation codon and causing a frame-shift in the translation reading frame. |