| Primary Identifier | MGI:1857276 | Allele Type | Targeted |
| Attribute String | Null/knockout | Gene | Jak3 |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | A neomycin resistance cassette replaced a 0.6 kb fragment of the gene, which contains sequences encoding subdomains I to IV of the kinase domain. Protein immunoblots of lysates from bone marrow, spleen, and thymus showed no targeted protein. |