| Primary Identifier | MGI:3045610 | Allele Type | Targeted |
| Attribute String | Inserted expressed sequence, Null/knockout | Gene | Igh-J |
| Transmission | Germline | Strain of Origin | Not Specified |
| Is Recombinase | false | Is Wild Type | false |
| molecularNote | All four heavy chain J elements were replaced with a neo and a rearranged heavy chain VDJ region for an antibody specific for hapten (4-hydroxy-3-nitrophenyl) acetyl (NP). Southern blot confirmed recombination. Flow cytometry confirmed expression of the inserted VDJ region. |