| Primary Identifier | MGI:3513200 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence | Gene | Igk-J |
| Transmission | Germline | Strain of Origin | C57BL/6 |
| Is Recombinase | false | Is Wild Type | false |
| description | E14.1 ES cells were also electroporated. |
| molecularNote | A targeting vector was designed to replace J1-J3 with a rearranged Vkappa4Jkappa4 gene. An upstream neo was included. |