| Primary Identifier | MGI:3586522 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence, Null/knockout | Gene | Igk-J |
| Transmission | Germline | Strain of Origin | 129S4/SvJae |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | All five heavy chain J elements were replaced with a rearranged V(D)J region. |